Hyundai GMS90X51C manual

HYUNDAI MICRO ELECTR ONICS 8-BIT SINGLE-CHIP MICROCONTROLLERS GMS90X51C GMS90X52C GMS90X54C +<81'$, M i cr oEle ct r oni cs Semi condu ct or Gr oup o f Hy undai El ect roni cs I ndust ri al C o. , L td. User’s Manual (Ver. 1.0)[...]

Version 1.0 Published b y MCU A pplication Team 2001 2001 2001 2001 HYUNDAI MicroElectronics All right reserved. Additional information of this manual may be served by HYUNDAI MicroElectronics offices in Korea or Dis- tributors and Repres entatives liste d at addr ess directory. HYUNDAI MicroElectronics reserves the right to make change[...]

GMS90X5XC Series HYUNDAI MicroElectr onics Jan. 2001 Ver 1.0 Device Naming Structure GMS90X5XC Seri es Selection Guide Operati ng Voltage (V) ROM size (bytes ) RAM size (bytes) Devi ce Name Operati ng Frequency (MHz) MASK 4.25~5.5 4K 8K 16K 128 256 256 GMS90C 51C GMS90C 52C GMS90C 54C 12/24 /40 12/24 /40 12/24 /40 2.7~3. 6 4K 8K 16K 128 256 256 GMS[...]

GMS90X5XC Series HYUNDAI MicroElectr onics Jan. 2001 Ver 1.0 GMS90C51C GMS90L51C(Low voltage versions) • Fully c ompatible to standar d MCS-51 mi crocontro ller • Wide o perating fr equency up t o 40MHz (for mor e detail, se e “GMS90X 5XC Series Selection Guide” ) • X2 Spe ed Improvem ent capabi lity ( 6 clocks/ machine cycle ) 20MHz @ 5V[...]

GMS90X5XC Series HYUNDAI MicroElectr onics Jan. 2001 Ver 1.0 1 GMS90C52C/54C GMS90L52C/54C(Low voltage versions) • Fully c ompatible to standar d MCS-51 mi crocontro ller • Wide o perating fr equency up t o 40MHz (for mor e detail, se e “GMS90X 5XC Series Selection Guide” ) • X2 Spe ed Improvem ent capabi lity ( 6 clocks/ machine cycle ) [...]

HYUNDAI MicroElectronics GMS90X5XC Series 2 Jan. 2001 Ver 1.0 PIN CONFIGURA TION 44-PLCC Pin Configuration (top view) P0.4 / AD4 P0.5 / AD5 P0.6 / AD6 P0.7 / AD7 EA / V PP N.C.* ALE / PR OG PSEN P2.7 / A15 P2.6 / A14 P2.5 / A13 P1.5 P1.6 P1.7 RESET RxD / P3.0 N.C.* TxD / P3.1 INT 0 / P3.2 INT 1 / P3.3 T0 / P3.4 T1 / P3.5 WR / P3.6 RD / P3.7 XTAL2 X[...]

GMS90X5XC Series HYUNDAI MicroElectr onics Jan. 2001 Ver 1.0 3 40-PDIP Pin Configuration (top view) P0.4 / AD4 P0.5 / AD5 P0.6 / AD6 P0.7 / AD7 EA / V PP ALE / PROG PSEN P2.7 / A1 5 P2.6 / A1 4 P2.5 / A1 3 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 40 P2.4 / A1 2 P2.3 / A1 1 P2.2 / A1 0 P2.1 / A9 P2.0 / A8 P0.0 / AD0 P0.1 / AD1 P0.2 /[...]

HYUNDAI MicroElectronics GMS90X5XC Series 4 Jan. 2001 Ver 1.0 44-MQFP Pin Configuration (top view) P0.4 / AD4 P0.5 / AD5 P0.6 / AD6 P0.7 / AD7 EA / V PP N.C.* ALE / PROG PSEN P2.7 / A15 P2.6 / A14 P2.5 / A13 P1.5 P1.6 P1.7 RESET RxD / P3.0 N.C .* TxD / P3.1 INT0 / P3.2 INT1 / P3.3 T0 / P3.4 T1 / P3.5 WR / P3. 6 RD / P3. 7 XTAL2 XTAL1 V SS N.C.* P2.[...]

GMS90X5XC Series HYUNDAI MicroElectr onics Jan. 2001 Ver 1.0 5 Logic Symbol XTAL1 XTAL2 RESET Port 0 8-bit Dig ital I/O Port 1 8-bit Digita l I/O Port 2 8-bit Digita l I/O Port 3 8-bit Digita l I/O EA /V PP ALE/PROG PSEN V CC V SS[...]

HYUNDAI MicroElectronics GMS90X5XC Series 6 Jan. 2001 Ver 1.0 PIN DEFINITIONS AND F UNCTIONS Symbol Pin Number I nput / Ou t pu t Function PLCC- 44 PDIP- 40 MQFP- 44 P1.0-P1.7 2 -9 2 3 2 1-8 1 2 1 40-44, 1-3 40 41 40 I/O Port1 Port 1 is an 8-b it bidire ctional I /O por t with inter nal pull-ups . Port 1 pi ns that h ave 1s wri tten to them are pul[...]

GMS90X5XC Series HYUNDAI MicroElectr onics Jan. 2001 Ver 1.0 7 XTAL1 21 19 15 I XTAL 1 Input to the invert ing osci llator am plifier an d input to the intern al clock ge nerator circ uits.To dri ve the device from an ex ternal cl ock sou rce, XTAL1 s hould be drive n, while XTAL2 is left un connecte d. There are no require ments on the duty cycl e[...]

HYUNDAI MicroElectronics GMS90X5XC Series 8 Jan. 2001 Ver 1.0 ALE / PROG 33 30 27 O Th e Address Latc h Enable / Progra m pulse Output p ulse for latc hing the low byt e of the ad dress duri ng an acce ss to exte rnal memo ry. I n no rmal operation , ALE is em itted at a c onstant ra te of 1/6 the oscill ator frequen cy, and c an be use d for exter[...]

GMS90X5XC Series HYUNDAI MicroElectr onics Jan. 2001 Ver 1.0 9 FUNCTIONAL DESCRIPTION The GMS90X5XC series is fully compatible to the s tandard 8051 microcontroller family . It is compatible with th e general 8051 family. While maintain ing all architectural and operatio nal characteristics of the general 8051 fa mily. Figure 1 shows a block diagr [...]

HYUNDAI MicroElectronics GMS90X5XC Series 10 Jan. 2001 Ver 1.0 CPU The GMS90X5XC series is efficient both as a controller and as an arithmetic processor. It has exten si ve facili- ties for binary and BCD arithmetic and excels in it s bit-handling cap abilities. Efficient use of program m emory resu lts from an in struction s et consist ing of 44% [...]

GMS90X5XC Series HYUNDAI MicroElectr onics Jan. 2001 Ver 1.0 11 SPECIAL FUNCTION REGISTERS All registers, except the pr ogram co unter and the four general pu rpose register b anks, re side in the special fu nc- tion register area. The 28 special func tion registers (SFR) include pointers and registers that provide an interface between the C PU and[...]

HYUNDAI MicroElectronics GMS90X5XC Series 12 Jan. 2001 Ver 1.0 C0H C1H C2H C3H C4H C5H C6H C7H reserved reserved reserved reserved reserved reserved reserved reserved XX H XXH 2) XXH 2) XXH 2) XXH 2) XXH 2) XXH 2) XXH 2) C8H 3) C9H 4) CAH 3) CBH 3) CCH 3) CDH 3) CEH CFH T2CO N 1) T2MOD RC2L RC2H TL2 TH2 reserved reserved 00H XXXXXX00 B 2) 00H 00H 0[...]

GMS90X5XC Series HYUNDAI MicroElectr onics Jan. 2001 Ver 1.0 13 Table 2. Special Func tion Registers - Functional Bloc ks Block Symbol Name Address Contents after Reset CPU ACC B DPH DPL PSW SP Accu mulat or B-Register Data Pointe r, High Byte Data Pointe r, Low Byte Program Sta tus Word Re gister Stack Pointe r E0H 1) F0H 1) 83H 82H D0H 1) 81H 1) [...]

HYUNDAI MicroElectronics GMS90X5XC Series 14 Jan. 2001 Ver 1.0 81H SP 82H DPL 83H DPH 87H PCON SM OD --- G F 1 G F 0 P D E I D L E 88H TCON TF1 TR1 TF0 TR0 IE1 IT1 IE0 IT 0 89H TMOD GATE C/T M1 MT GATE C/ T M1 M0 8AH TL0 8BH TL1 8CH TH0 8DH TH1 8EH AUXR0 - ------ A 0 8FH CKCON - ------ X 2 90H P1 98H SCON SM0 SM1 SM2 REN TB8 RB8 TI RI 99H SBUF A0H [...]

GMS90X5XC Series HYUNDAI MicroElectr onics Jan. 2001 Ver 1.0 15 † indicates resident in the GMS90 X52C/54C, not in 90X51C. Table 3. Contents of SFRs, SFRs in Numeric Order (cont’ d) Address Register B i t 7 6543210 C8H T2CON TF2 EXF2 RCLK TCLK EXEN2 TR2 C/T2 CP/ RL 2 C 9 H T 2 M O D ------ T2 OE † DCEN CAH RC2L CBH RC2H CCH TL 2 CDH TH 2 D0H [...]

HYUNDAI MicroElectronics GMS90X5XC Series 16 Jan. 2001 Ver 1.0 X2 MOD E The GMS90X5XC core needs only 6 clock p eriods per machine cycle. This f eature called ”X2” provides the following advantages: • Div ide frequenc y crys tals by 2 ( cheaper cr ystals ) while ke eping sa me CPU power . • Save p ower consu mption while keeping sam e CPU p[...]

GMS90X5XC Series HYUNDAI MicroElectr onics Jan. 2001 Ver 1.0 17 Figure 3. Mode Swithc ing Waveforms . XTAL1 CPU Clock XTAL1:2 X2 Mode X2 bit STD M ode STD Mode[...]

HYUNDAI MicroElectronics GMS90X5XC Series 18 Jan. 2001 Ver 1.0 TIMER / COUNTER 0 AND 1 Timer/ Counter 0 and 1 can be used in four operati ng modes as l isted in Tab le 4: In the "timer" function (C/ T = "0") the register is incremented every machine cycle. Therefore the count rate is f OSC /12. In the "counter" functio[...]

GMS90X5XC Series HYUNDAI MicroElectr onics Jan. 2001 Ver 1.0 19 TIMER 2 Timer 2 is a 16-bit timer/Cou nter with an up/down count feature. It can operate either as timer or as an event counter which is select ed b y bit C/T2 (T2C O N.1). I t ha s three op eratin g modes as show n in Table 5 . Note: ↓ = falling edge Table 5. Timer/Counter 2 Operati[...]

HYUNDAI MicroElectronics GMS90X5XC Series 20 Jan. 2001 Ver 1.0 SERIAL INTERF ACE (USART) The serial por t is full dupl ex and can operate in four modes (one sy nchronous mode, three as ynchronous modes ) as illustrated in Table 6. The possibl e baud rates can be calculated using th e formulas given in Table 7. Table 6. USART Operating M odes Mode S[...]

GMS90X5XC Series HYUNDAI MicroElectr onics Jan. 2001 Ver 1.0 21 INTERRUPT SYSTEM The GMS90X5XC seri es provides 5 (4 K bytes ROM version) o r 6 (above 8K bytes R OM version) in terrupt sources with two priority levels. Figu r e 5 gives a general overview of the interrup t sources and illu strates the request and con trol flags. Figure 5. Interrupt [...]

HYUNDAI MicroElectronics GMS90X5XC Series 22 Jan. 2001 Ver 1.0 A low-priority interrupt can itself b e interrupted b y a high-priority interrupt, but n ot by anot her low priority in- terrup t. A high -priorit y interrup t cannot be interrup ted by any other int errupt sour ce. If two requests of different priority level are received simultaneously[...]

GMS90X5XC Series HYUNDAI MicroElectr onics Jan. 2001 Ver 1.0 23 Power Saving Modes Two power do wn modes are available, the I dle Mode and Power Down Mode. The bits PDE and IDLE of the register PCON s elect the Power Down mode or the Idle mode, respectively. If the Power Down mode and the Idle mode are set at the same time, the Power Down mode take[...]

HYUNDAI MicroElectronics GMS90X5XC Series 24 Jan. 2001 Ver 1.0 ELEC TRICAL CHARAC TERISTICS Absolute Ma xi mum Ratings Ambient temperature u nder bias (T A ) ....... ........... ................. ................. ................. ................. -40 to + 85 ° C Storage temperature (T ST ) ......................... ........... .................[...]

GMS90X5XC Series HYUNDAI MicroElectr onics Jan. 2001 Ver 1.0 25 DC Charac ter istics DC Characterist ics for GMS 90C51C/52C/5 4C V CC = 5V + 10%, -1 5%; V SS =0V; T A = 0 ° C to 70 ° C Parameter Sy mbol Limit Values Unit Test Conditions Min. Max. Inpu t low volta ge (except EA , RESET) V IL -0.5 0.2V CC - 0. 1 V - Inpu t low volta ge (EA )V IL1 -[...]

HYUNDAI MicroElectronics GMS90X5XC Series 26 Jan. 2001 Ver 1.0 2) Capacitive loading on ports 0 and 2 may cause the V OH on ALE and PSEN to momentarily fall below the 0.9V CC specifica- tion when the address lines are stabil izing. 3) I CC Max at other f requencies is given by: active mode: I CC = 1.27 × f OSC + 5.73 idle mode: I CC = 0.28 × f OS[...]

GMS90X5XC Series HYUNDAI MicroElectr onics Jan. 2001 Ver 1.0 27 DC Characterist ics for GMS 90L51C/52C/54C V CC = 3.3V + 0.3V, -0.6V; V SS =0V; T A = 0 ° C to 70 ° C Parameter Sy mbol Limit Values Unit Test Conditions Min. Ma x. Inpu t low volta ge V IL -0.5 0.8 V - Inpu t high vo ltage V IH 2.0 V CC + 0.5 V - Output low vol tage (ports 1 , 2, 3)[...]

HYUNDAI MicroElectronics GMS90X5XC Series 28 Jan. 2001 Ver 1.0 AC Charac ter istics Explanation of the AC Symbols Each timing symbol h as 5 characters. The first character is always a ‘t’ (stand fo r time). The other characters, depending on their positions, stand for the name of a signal or the logi cal status of that signal. The followin g is[...]

GMS90X5XC Series HYUNDAI MicroElectr onics Jan. 2001 Ver 1.0 29 † Interfacing the GMS90X5XC series to devices with float times up to 75 ns is permissible. This limited bus contention will not cause any dam age to port 0 Drivers.[...]

HYUNDAI MicroElectronics GMS90X5XC Series 30 Jan. 2001 Ver 1.0 AC Characterist ics for GMS 90X5XC serie s (12MHz) External D ata Memory Chara cteristics Advance Information (12 MHz) External C lock Drive Parameter Sy mbol 12 MHz Oscillato r Varia ble Oscillator 1/t CL CL = 3.5 to 12 MHz Unit Min. Max. Min. Max. RD puls e wid th t RLRH 400 - 6t CLCL[...]

GMS90X5XC Series HYUNDAI MicroElectr onics Jan. 2001 Ver 1.0 31 AC Characterist ics for GMS 90X5XC seri es (16MHz version) V CC = 3.3V + 0.3V, − 0.6V; V SS = 0V; T A = 0 ° C to 70 ° C (C L for port 0. ALE and PSE N outputs = 50 pF; C L for all other outputs = 50 pF) External P rogram Memory Chara cteristics † Interfacing the GMS90X5XC series [...]

HYUNDAI MicroElectronics GMS90X5XC Series 32 Jan. 2001 Ver 1.0 AC Characterist ics for GMS 90X5XC serie s (16MHz) External D ata Memory Chara cteristics Advance Information (16 MHz) External C lock Drive Parameter Sy mbol 16 MHz Oscillato r Varia ble Oscillator 1/t CL CL = 3.5 to 16 MHz Unit Min. Max. Min. Max. RD puls e wid th t RLRH 275 - 6t CLCL[...]

GMS90X5XC Series HYUNDAI MicroElectr onics Jan. 2001 Ver 1.0 33 AC Characterist ics for GMS 90X5XC seri es (24MHz version) V CC = 5V + 10%, − 15% ; V SS = 0V; T A = 0 ° C to 70 ° C (C L for port 0. ALE and PSE N outputs = 10 0p F; C L f or all other output s = 80 pF) External P rogram Memory Chara cteristics † Interfacing the GMS90X5XC series[...]

HYUNDAI MicroElectronics GMS90X5XC Series 34 Jan. 2001 Ver 1.0 AC Characterist ics for GMS 90X5XC serie s (24MHz) External D ata Memory Chara cteristics Advance Information (24 MHz) External C lock Drive Parameter Sy mbol 24 MHz Oscillato r Varia ble Oscillator 1/t CL CL = 3.5 to 24 MHz Unit Min. Max. Min. Max. RD puls e wid th t RLRH 180 - 6t CLCL[...]

GMS90X5XC Series HYUNDAI MicroElectr onics Jan. 2001 Ver 1.0 35 AC Characterist ics for GMS 90X5XC seri es (33MHz version) V CC = 5V + 10%, − 15% ; V SS = 0V; T A = 0 ° C to 70 ° C (C L for port 0. ALE and PSE N outputs = 10 0p F; C L f or all other output s = 80 pF) External P rogram Memory Chara cteristics † Interfacing the GMS90X5XC series[...]

HYUNDAI MicroElectronics GMS90X5XC Series 36 Jan. 2001 Ver 1.0 AC Characterist ics for GMS 90X5XC serie s (33MHz) External D ata Memory Chara cteristics Advance Information (33 MHz) External C lock Drive Parameter Sy mbol 33 MHz Oscillato r Varia ble Oscillator 1/t CL CL = 3.5 to 33 MHz Unit Min. Max. Min. Max. RD puls e wid th t RLRH 132 - 6t CLCL[...]

GMS90X5XC Series HYUNDAI MicroElectr onics Jan. 2001 Ver 1.0 37 AC Characterist ics for GMS 90X5XC seri es (40MHz version) V CC = 5V + 10%, − 15%; V SS = 0V; T A = 0 ° C to 70 ° C (C L for port 0. ALE and PSE N outputs = 10 0p F; C L f or all other output s = 80 pF) External P rogram Memory Chara cteristics † Interfacing the GMS90X5XC series [...]

HYUNDAI MicroElectronics GMS90X5XC Series 38 Jan. 2001 Ver 1.0 AC Characterist ics for GMS 90X5XC serie s (40MHz) External D ata Memory Chara cteristics Advance Information (40 MHz) External C lock Drive Parameter Sy mbol at 40 MH z Clock Variable Clock 1/t CL CL = 3.5 to 40 MHz Unit Min. Max. Min. Max. RD puls e wid th t RLRH 120 - 6t CLCL -30 - n[...]

GMS90X5XC Series HYUNDAI MicroElectr onics Jan. 2001 Ver 1.0 39 Figure 6. External Program M emory Read Cycle t LHL L t PXAV t PXIZ t PXIX t LLAX t LLIV t PLIV t PLPH t AZPL t LLPL t AVL L A0-A7 INSTR. IN A0-A7 A8-A15 A8-A 15 t AVIV ALE PSEN PORT 0 PORT 2[...]

HYUNDAI MicroElectronics GMS90X5XC Series 40 Jan. 2001 Ver 1.0 Figure 7. External Data M emory Read Cyc le Figure 8. External Data M emory Write Cyc le t LHLL P2.0-P2.7 or A8-A15 fro m DPH A8 -A15 from PCH ALE PSEN PORT 0 PORT 2 RD t LLWL DATA IN A0-A7 from P CL INS TR. IN A0-A 7 fro m t LLAX2 t AVWL t AVLL t AVDV t RLAZ t LLDV t RL RH t RLDV t RHD[...]

GMS90X5XC Series HYUNDAI MicroElectr onics Jan. 2001 Ver 1.0 41 Figure 9. AC Testing: Input, Output Waveforms Figure 10. Float Wave forms Figure 11. External Clock Cycle AC Inputs du ring testin g are dr iven at V CC − 0.5V for a logi c ‘1’ and 0.4 5V for a log ic ‘0’. 0.2V CC + 0.9 0.2V CC − 0.1 Test Points V CC − 0.5V 0.45V Timing m[...]

HYUNDAI MicroElectronics GMS90X5XC Series 42 Jan. 2001 Ver 1.0 OSCILLA TOR CIRCUIT Figure 12. Recommende d Oscillator Circui ts Oscillation circuit is designed to be used either with a ceramic resonator or crystal oscillator. Since each crystal and ceramic resonator have their own charac teristics, the user should consult the crystal manufacturer f[...]

GMS90X5XC Series HYUNDAI MicroElectr onics Jan. 2001 Ver 1.0 43 Plastic Pack age P-LCC-44 (Plastic Leaded Ch ip-Carrier) 0.180 0.165 UNIT: INCH 44PLCC 0.012 0.007 5 0.120 0.090 0.032 0.026 0.630 0.590 min. 0 .020 0.656 0.650 0.695 0.685 0.656 0.650 0.695 0.685 0.05 0 BSC 0.021 0.013[...]

HYUNDAI MicroElectronics GMS90X5XC Series 44 Jan. 2001 Ver 1.0 Plastic Pack age P-DIP-4 0 (Plastic Dual in-Line Package) UNIT: INCH 2.075 2.045 0.200 m ax. 0.022 0.015 0.065 0.045 0.100 BSC 0.550 0.530 0.60 0 BSC 0-15 ° 0 . 0 12 0 .0 0 8 40DI P 0.140 0.120 mi n. 0.01 5[...]

GMS90X5XC Series HYUNDAI MicroElectr onics Jan. 2001 Ver 1.0 45 Plastic P ackage P-MP QF-44 (Plastic Metric Quad Flat Package) 2.35 max. SEE DETAIL "A" 1.03 0.73 0-7 ° 0.25 0.10 1.60 REF DETAIL "A" UNIT: MM 0.45 0.30 0.80 B SC 2.10 1.95 44MQFP 0 . 1 3 0 . 2 3 10.10 9.90 13.45 12.95 10.10 9.90 13.45 12.95[...]

HYUNDAI MicroElectronics GMS90X5XC Series 46 Jan. 2001 Ver 1.0[...]

MASK ORDER & VERIFICA TION SHEET GMS90X5XC-GC 1. Customer Information Company Na me 2. Device Inform ati on 3. Marking Specific ation 4. Delivery Schedule Cust omer Sample Date Risk Order Y YYY MM DD Quant ity HME Confi rmation Applic ation Order Da te YYYY MM DD Te l : Fax: Name & Signatu re: Package HME Y Y W W K O R E A 5. ROM Code V eri[...]