Philips SAA7785 manual

  SAA7785 ThunderBird A venger  PCI Audio Accelerator Preliminary specification 1999 Nov 12 INTEGRA TED CIRCUITS[...]

T h u n d e r B i rd A v e n g e r TM PCI Au d io SA A7785 Ac c elerat o r P hi l i p s S em i c o n d uct o rs P relim i n ary S p eci f i c a t ion 1 9 99 Nov 12 2 GENER A L DE S CRIP T I O N The SA A 7 78 5 Thu n der B i rd A ven g er TM is a hi g h-per f o r - m a nc e PCI a u dio accelerato r o f fering th e u l t i m a t e ho m e the a t e r [...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 Nov 12 3 ORDERING IN F ORM A TION QUICK RE F EREN C E D A T A T YPE NU M B E R P ACKA G E NAME DESCR I PT I O N VERS I O N SA A 7 7 85 T Q F P 1 2 8 T h in quad f l a t pa c k; 1 28 leads ( l ead length 1.0 0 mm ) [...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 Nov 12 4 F IGURE 1 B L O C K DIA G RAM M IDI I nt e rf a c e DSP DA T A B US DSP CODE BUS PCI S /P D I F I N T R s AC L i nk I n t e rf a c e B u s G a m e P o r t I 2 S P o rt DSP C o re FM A cc e l er a t o r P h[...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 Nov 12 5 PINNING T AB L E 1 S i g nal a n d P i n N a me s f o r 128 pin S A A 7785 T h u n derBird A ven g er TM P I N # P I N NAME 1 B I T_CLK 33 GNT# 65 AD22 97 AD12 2 SD A T A_OUT 34 PME# 66 VDD 98 AD 1 1 3 SD [...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 Nov 12 6 F IGURE 2 P I N CON F I G UR A T ION S AA778 5 Th u n d e r B ir d A v en g er TM P INS ON 12 8 PIN T Q F P P ACKAGE DIAGRA M ( TOP VI E W ) . B I T _ C LK PLLA G ND SAA77 8 5 Note s : 1. P a c k age b od [...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 No v 12 7 PINNING T AB L E 2 P I N DEFIN I T I O NS F OR THE 1 00 P in SAA7785 T h u n de r B i rd A ve n ger TM P I N # P I N NAME 1 B I T_CLK 30 PCLK 59 VSS 87 AD5 2 SD A T A_OUT 31 PCGNT# 60 C / BE2# 88 VSS 3 SD[...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 Nov 12 8 S AA778 5 T h u n de r B ir d A ve n ger TM p in o u t fo r 1 0 0 pi n p ac k age BI T _ C L K S D A T A _ O U T S D A T A _ I N 0 A C _ R S T # V S S J AB1 JB B 1 J A C X J B C X MID I O UT J B C Y J A C [...]

T h u n d e r B i rd A v e n g e r TM PCI Au d io SA A7785 Ac c elerat o r P hi l i p s S em i c o n d uct o rs P relim i n ary S p eci f i c a t ion 1 9 99 Nov 12 9 FUN C TIONAL O V E R VI E W Q S o u nd 3 D A u d i o Al g or i th m s Q S ound La b s m os t advanced al g ori t h ms f or 3D vir t u a lization, m ulticha n nel proces s i ng, au d io[...]

T h u n d e r B i rd A v e n g e r TM PCI Au d io SA A7785 Ac c elerat o r P hi l i p s S em i c o n d uct o rs P relim i n ary S p eci f i c a t ion 1 9 99 Nov 12 1 0 t o t a l s i mu l t aneous voices. Act i M e d i a TM D S P Arc h i tect u re A c ti M edia TM D S P arc hitec t ure c o m bines t he st r e ngth s o f progra m ma b l e and f ixed [...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 No v 12 1 1 A r ch i tec t u r al Ov e rv i ew The SA A 7 78 5 Thu n der B i rd A ven g er TM i s a m u l t i - f unction a l d e v i ce t hat prov i des sou n d proces sing pro d ucin g S o und- Blas t er-co m pat[...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 No v 12 12 The SA A 7 78 5 Thu n der B i rd A ven g er TM ch i p i s desig n ed t o operate on an y PCI sys t em with the proper so f t ware sup- port . S o f tware s u ppor t is required fo r n o n-DOS a pplicatio[...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 Nov 12 13 t i mer dat a can be ac c e s sed as a n I / O d e v i c e . This t i mer ca n be used by g a me devel o pers t o keep t r a c k o f t i me el a psed t o synchronize t h e v i d eo to t he au d io s trea [...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 No v 12 14 t he a d dres s e s and f e t ch t h e a u dio sa m p le s fr om sys t em m e m or y . T h e Ad d r e s s Ge n era t or is als o ca p abl e of l o oping without i n t ervent ion from th e D S P c o de. T[...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 No v 12 15 SE R I AL PO RT INTE R F A C ES O VE R V I EW The SAA 7785 c h i p will co n t ain an S / P D I F Consu m er Gra d e t rans m it por t a n d an I 2 S t ra n s m it / rece i ve pai r . T hese s erial port[...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 Nov 12 16 F IGURE 4 I 2 S SER I AL P O R T S B L O C K DIAGRAM I 2 S P o rts C l ock D i v i der L e ft D a ta R i ght D a t a T rans m it S h i ft Reg i s ter Tr a n s m i t Control L o gic L e ft D a ta R i ght D[...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 No v 12 17 F IGURE 5 S / PDI F T RANSM I T PO R T B L O C K DIAGRAM VIR T UAL WRI T E M AS T ER Audio s t rea m s m ay be direc t e d b a c k t o host m e m ory from t he DS P do m ai n . The VWM h a s a dat a b u [...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 Nov 12 18 G a me P o rt The SA A 7 78 5 Thu n der B i rd A ven g er TM G a m e Port i n t erfac e is d e s i gne d t o e m ul a t e t h e PC- A T base d legacy joys t i c k operatio n as well as support of a d i gi[...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 No v 12 19 SAA778 5 SI G N A L D EFINI T IONS PC I L O CA L BUS IN T ER F ACE S I G NA L S A D [ 31:0] PC I Ad d ress/Da t a A D [ 3 1 : 0] co n t ains a p h y sical by te a ddress d u r i n g t h e f ir s t c l oc[...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 No v 12 20 S T O P # PC I B u s S t o p ( T a r g e t I n it i at ed T e r mi n ati o n) When t he S AA 7785 is a P CI m ast e r , S T O P # is an input w h ic h ca u s e s th e SAA 7785 to co m - plete, a b or t o[...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 No v 12 21 GN T # PC I Bus G r ant An assert e d GNT# p i n i ndicates t hat th e PC I m a s te r arbiter h a s grante d bus o wnership t o the S A A 77 8 5 ch i p. I N T A # P C I Bus I nterr u pt A The in t e r r[...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 No v 12 22 PC I GENERA L PURPOSE I / O T ES T I N T ER F ACE / SE RIA L CON F I G UR A T IO N POR T GAME PO R T I N T E R F ACE P G P I O [ 7 : 0 ] P C I G e n e r a l Pu r p o se I n p u t / O u t p u t s Th e s e[...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 Nov 12 23 M IDI IN T ER F ACE AC ’ 9 7 C O DEC IN T ER F A C E J A B1 J o ystick A B u t t o n 1 I n t e rface T his pin f u n c tions as a n i nput f o r the joys t i c k A b u t ton 1. J B B2 J o ystick B B u t[...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 Nov 12 24 DS P SER I AL POR T S / G E N E RAL PURP O S E I /O AC _ RS T _ N# AC’97 M aster Reset T h e ex t ernal A C’ 9 7 cod e c has a m aster reset l in e whic h is h as a se p a r a t e c ontrol. T he co d [...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 No v 12 25 P LL /DSPC L K SUB S YS T EM I NT E R F ACE POWE R AND G ROUND P I N S CCLK C O DEC Cl o ck I n p u t T his pin is t h e raw 2 4 . 5 7 6MHz clock f rom t he A C’ 9 7 crys t al. The CCLK clock is used t[...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 No v 12 26 DS P EX T ERNA L M E M O R Y IN T ER F A C E M A [14:0] E xte rn a l M e m ory Ad d ress Address l i nes f o r t he ext ernal S R A M dev ices . The ext ernal m em o r y inter f a c e can be used f or DS[...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 No v 12 27 S AA778 5 T h u n de r B ir d A ve n ge r ™ F u n c ti o nal Bl o ck D e sc r ip t io n s Re g is t er T abl e Doc u m e nt D e sc r ip t io n an d E xa m ple The next t a ble gives a n exa m p l e of [...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 No v 12 28 The P CI da t a p at h block c on t a ins th e m ultiplexors an d regis t e r s t o steer th e da t a t o a n d fr om th e P CI inter f aces. T he da t a is d e-mu l t i plexed f rom t he ex ternal P C I[...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 No v 12 29 m a s ter c ycles. N o t e tha t th e SS A 7785 T h underBird A venger™ can n o t in i t i a t e a m aste r cycle t o i t se l f . SSA 7785 Th u n- der B ird A v e nger™ su m m a rizes t he ac c e s [...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 No v 12 30 P C I M a ste r S t ate M ac h i n e Th i s bl o c k wil l perf or m s th e h andshaking b e t ween the P C I inter f ace and t h e PM in t e rnal bus . T h e PCI m aste r wi l l p er- f orm burs t i n g[...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 No v 12 31 F I G U RE 6 I n eac h of th e t hree SSA 778 5 Thu n derBird A ve n ger™ func t i ons PCI conf ig u r a t i o n space t her e is a S ubsys t em V e n dor I D registe r a t an o ff set of 2Ch and a S u[...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 Nov 12 32 Th e s e bi t s correspond t o F unc t i o n 0 , S u bs y st em ID (o f f se t 2 E h) bi t s 2, 1 , and 0, respect ivel y . T he V end o r s hou l d choose and I D t h a t c orresponds t o t h e p eripher[...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 Nov 12 33 T AB L E 10 V e n d o r I D Reg ister - VENDO R _ I D (RO ) SUBSYSTEM ID SUBSYST E M VENDO R I D 2Ch Rese r ved 30 - 3Bh Max_L a t M i n_Gnt In t e r ru p t Pin I n te r r u pt L i ne 3Ch DMABBASE D M AAB[...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 Nov 12 34 T AB L E 1 1 Device I D Re g i ster - D E VICE _ I D (RO) T AB L E 12 Comma n d Re g i ster - CO M M A N D (R O / R W ) D7 D6 D5 D4 D3 D2 D1 D0 V E ND O R_ID [ 7:0] P O R V a l u e 00000100 B it N a me R [...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 Nov 12 35 T AB L E 13 S t atus Register - S t at u s (R O / RW) 9 F B ACK_ENB RO F a s t B ac k-to- B a c k E nable: t he SS A 7 7 85 Thun d er B i r d A ven g er™, function 0 does not sup p or t f as t b ac k to[...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 No v 12 36 Note : An RC in d ica t e s tha t this b i t can be r e s e t t o 0 by wr i t ing a 1. Writing a zero le a v es t h is b i t unchan g ed. T AB L E 14 Revis i o n I D Re g i s t e r - RE V IS I O N (R O )[...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 No v 12 37 T AB L E 15 C l a ss C ode Re g i s t e r - CLASS ( R O ) T AB L E 16 CACHELINE Si z e Re g i s t e r - CACHELINE (R O ) B i t N a m e R /W F u nct i on 7 : 0 REV I SI O N _ ID RO T he c u r re n t r e v[...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 No v 12 38 T AB L E 17 M a ster Late n cy T imer Register - L A TI M E ( R W) T AB L E 18 Hea d er T ype Re g i s t e r - HEADER (R O ) T AB L E 19 B I ST Re g i s t e r - BI S T (R O ) P C I C F G 0 D 7 D 6 D 5 D [...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 Nov 12 39 S S A 7 785 Th u n d erBird A ven g er™ C F G S p ace 0 No n - L e g acy Base Ad d ress Re g i ste r s The T hunderb i r d B ase A d dres s Reg i s te r ( S O N G BA S E ) is used t o I / O map a l l o [...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 No v 12 40 S S A 7 785 Th u n d erBird A ven g er™ C F G S p ace 0 Le g acy Base Ad d ress Re g i ste r s The S S A 7 7 85 T hunder B ir d A venger™ con t a i ns t hree l egacy I / O bas e register s in c o n f[...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 No v 12 41 T AB L E 22 M IDI Ba s e A d d r ess- M DBASE (RW/RO) D15 D14 D13 D12 D 1 1 D10 D9 D8 SBB A SE[ 15 : 8 ] P O R V a l u e 00000000 D7 D6 D5 D4 D3 D2 D1 D0 S B BASE [ 7 : 4 ] R R R IO P O R V a l u e 00000[...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 Nov 12 42 T AB L E 23 ADLIB Base Ad d ress Re g i ster - ALBASE ( R W / R O ) T AB L E 24 Sub s ystem V e n d o r ID - SUBV E NI D (RO) B i t N a m e R /W F u nct i on 31:2 M DB A S E RW M I DI port progra mm able [...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 No v 12 43 T AB L E 25 Sub s ystem I D - SUBSY S I D (RO) P O R V a l u e 00010000 D7 D6 D5 D4 D3 D2 D1 D0 SUBV E N _ I D[ 7 : 0 ] P O R V a l u e 00000100 B it N a me R / W F u n c t i on 15:0 SUB V EN_ID RO Subsy[...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 No v 12 44 T AB L E 26 I n terr u pt L i ne R e g i ster - I N T L I N E ( R W ) T AB L E 27 I n terr u pt P in Re g i ster - I N T P I N (RO) T AB L E 28 M IN_ G NT Register - M INGNT (R O ) P C I C F G 0 D 7 D 6 [...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 Nov 12 45 T AB L E 29 M A X _ L A T Re g i ster - M AX L A T ( R O ) S S A 7 785 Th u n d erBird A ven g er™ C F G S p ace 0 DMA Base Re g i s t e rs Th i s sec t i on will des cr ibe t h e P CI con f ig u r a t [...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 No v 12 46 T AB L E 31 D M A C h an n e l B Base Ad d ress Re g i ster - D M A B BA S E ( R W ) 5 : 4 DMA A BASE RW DM A c han n el A progra mm able base address , bi t s 5:4 . Th e s e b i t s select a chann e l n[...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 Nov 12 47 T AB L E 32 M isc e l lane o us C o nf i g u r at i o n Reg iste r - M S CCFG (R O / RW) PC I Co n f i g uration S p a ce 1 The follo w in g t abl e is a su mm ary of a ll t he PCI conf iguration spa c e [...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 No v 12 48 T AB L E 34 V e n d o r I D Reg ister - VENDO R _ I D (RO) T AB L E 35 Device I D Re g i ster - D E VICE _ I D (RO) T AB L E 36 Comma n d Re g i ster - CO M M A N D (R O / R W ) Res e rv e d Rese r ved R[...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 No v 12 49 T AB L E 37 S t atus Register - S T A T US (R O / RW) D7 D6 D5 D4 D3 D2 D1 D0 S T EP- PING P E R R _ R E SP S N O O P _ ENB ME M _ INV_ E N SP E C_ CN T L M A ST_ CN T L ME M _ CN T L I O _ CN T L P O R [...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 No v 12 50 Note : An RC in d ica t e s tha t this b i t can be r e s e t t o 0 by wr i t ing a 1. Writing a zero le a v es t h is b i t unchan g ed. T AB L E 38 Revis i o n I D Re g i s t e r - RE V IS I O N (R O )[...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 Nov 12 51 T AB L E 39 C l a ss C ode Re g i s t e r - CLASS ( R O ) T AB L E 40 CACHELINE Si z e Re g i s t e r - CACHELINE (R O ) T AB L E 41 M a ster Late n cy T imer Register - L A TI M E ( R W) B i t N a m e R [...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 No v 12 52 T AB L E 42 Hea d er T ype Re g i s t e r - HEADER (R O ) T AB L E 43 B I ST Re g i s t e r - BI S T (R O ) S S A 7 785 Th u n d erBird A ven g er™ C F G S p ace 1 Le g acy Base Ad d ress Re g i ste r [...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 Nov 12 53 The S S A 7 7 8 5 T hund e r B ird A venger ™ , con t ains one legacy I / O b a s e registers in configuration s p ace 1 . The joyst ic k is t he s ole l e gacy I / O b a s e ad d r e s s register a n d[...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 Nov 12 54 T AB L E 46 Sub s ystem I D - SUBSY S I D (RO) T AB L E 47 I n terr u pt L i ne R eg i st er - I NT L I N E (R O) B it N a me R / W F u n c t i on 15:0 SUB V EN_ID RO Subsys t em V end o r I D . The S ubs[...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 No v 12 55 T AB L E 48 I n terr u pt P in Re g i ster - I N T P I N (RO) T AB L E 49 M IN_ G NT Register - M INGNT (R O ) T AB L E 50 M A X _ L A T Re g i ster - M AX L A T ( R O ) B i t N a m e R /W F u nct i on 7[...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 No v 12 56 PC I Co n f i g uration S p a ce 2 The follo w in g t abl e is a su mm ary of a ll t he PCI conf iguration spa c e reg i s ters . T h e re g is t ers t hat are b lock - m at es w i t h t he P CI i n t er[...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 No v 12 57 T AB L E 53 Device I D Re g i ster - D E VICE _ I D (RO) T AB L E 54 Comma n d Re g i ster - CO M M A N D (R O / R W ) PC I CFG 2 D 15 D14 D13 D12 D 1 1 D10 D9 D8 Offset 02h DE V ICE_ID [ 1 5 : 8] P O R [...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 Nov 12 58 T AB L E 55 S t atus Register - S T A T US (R O / RW) 5 SNO O P_ E N B RO V GA S n o op E n a ble. T h e S SA 7785 T hunder B ir d A venger ™ , func t i o n 2 do e s not su p por t VGA sn o o p e nable,[...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 No v 12 59 Note : An RC in d ica t e s tha t this b i t can be r e s e t t o 0 by wr i t ing a 1. Writing a zero le a v es t h is b i t unchan g ed. T AB L E 56 Revis i o n I D Re g i s t e r - RE V IS I O N (R O )[...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 Nov 12 60 T AB L E 58 CACHELINE Si z e Re g i s t e r - CACHELINE (R O ) T AB L E 59 M a ster Late n cy T imer Register - L A TI M E ( R W) T AB L E 60 Hea d er T ype Re g i s t e r - HEADER (R O ) D7 D6 D5 D4 D3 D[...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 Nov 12 61 T AB L E 61 B I ST Re g i s t e r - BI S T (R O ) S S A 7 785 Th u n d erBird A ven g er™ C F G S p ace 1 Le g acy Base Ad d ress Re g i ste r s The S S A 7 7 8 5 T hund e r B ird A venger ™ , con t a[...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 No v 12 62 T AB L E 63 Sub s ystem V e n d o r ID - SUBV E NI D (RO) T AB L E 64 Sub s ystem I D - SUBSY S I D (RO) UA R T BASE [ 15 : 8 ] P O R V a l u e 00000000 D7 D6 D5 D4 D3 D2 D1 D0 UA R T B ASE [ 7 : 3 ] R R[...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 No v 12 63 T AB L E 65 I n terr u pt L i ne R eg i st er - I NT L I N E (R O) T AB L E 66 I n terr u pt P in Re g i ster - I N T P I N (RO) Offset 2Eh SU B SYS _ ID [ 15 : 8 ] P O R V a l u e 00000011 D7 D6 D5 D4 D[...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 No v 12 64 T AB L E 67 M IN_ G NT Register - M INGNT (R O ) T AB L E 68 M A X _ L A T Re g i ster - M AX L A T ( R O ) M U L TI M EDIA T IMER O VE R V I EW The M u l t i m ed i a T im e r i s a 2 0 bit c o un t e r[...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 No v 12 65 F IGURE 7 M U L T IM E DIA T I M ER B L O C K D I A G RA M M U L T IM E DIA T I M ER REGI S T ER DE F I NI T ION Th e r e are f i v e r e gis t ers t hat c o n t rol t he m u l t i m ed i a t i me r . Th[...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 Nov 12 66 M U L T IM E DIA T I M ER I /O S P A C E REGI S T ERS T AB L E 70 T M S T A T ( R W / R O ) - M U L T I M EDI A T I M ER S T A T US R E G I S T E R M U L T IM E DIA T I M ER COUNT RE G I S T E RS Th e r e[...]

Th u nde r Bi r d A v e nger TM PCI Au dio SA A 7785 A cc e lerat o r Phi l i p s Se m iconductors P rel i m i nary S pecification 1999 Nov 12 67 T AB L E 72 T M COU N T 1 ( R W) - M U L T I M ED I A T I M E R C O UN T REGI S T ER 1 T AB L E 73 T M COU N T 0 ( R W) - M U L T I M ED I A T I M E R C O UN T REGI S T ER 0 PC I I / O S P ACE G PI O S UP[...]

Philips Semiconductors Preliminary specification SAA7785 ThunderBird A venger  PCI Audio Accelerator yyyy mmm dd 1 Definitions Short-form specification — The data in a short-form specification is extracted from a full data sheet with the same type number and title. For detailed information see the relevant data sheet or data handbook. Limiting[...]