Texas Instruments TMS320 manuale d’uso

TMS320 SECOND-GENERA TION DIGIT AL SIGNAL PROCESSORS SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 1 ADV ANCE INFORMATION concerns new products in the sampling or preproduction phase of development. Characteristic data and other specifications are subject to change without notice. Copyright  1991,[...]

TMS320 SECOND-GENERA TION DEVICES SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 2 PGA AND PLCC/CER-QUAD PIN ASSIGNMENTS FUNCTION PIN FUNCTION PIN FUNCTION PIN FUNCTION PIN FUNCTION PIN FUNCTION PIN A0 K1/26 A12 K8/40 D2 E1/16 D14 A5/3 INT2 H1/22 V CC H2/23 A1 K2/28 A13 L9/41 D3 D2/15 D15 B6/2 IS J1 1[...]

TMS320 SECOND-GENERA TION DEVICES SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 3 description The TMS320 family of 16/32-bit single-chip digital signal processors combines the flexibility of a high-speed controller with the numerical capability of an array processor , thereby offering an inexpensive [...]

TMS320 SECOND-GENERA TION DEVICES SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 4 Key Features: TMS32020 • 200-ns Instruction Cycle Time • 544 Words of On-Chip Data RAM • 128K Words of T otal Data/Program Memory Space • W ait States for Communication to Slower Off-Chip Memories • Source Cod[...]

DEVICE RAM ROM/EPROM PROG DA T A TIMER CYCLE TIME (ns) TYP POWER (mW) P ACKAGE TYPE I/O † TMS320 SECOND-GENERA TION DEVICES SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 5 T able 1 provides an overview of the second-generation TMS320 processors with comparisons of memory , I/O, cycle timing, power [...]

TMS320 SECOND-GENERA TION DEVICES SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 6 functional block diagram (TMS320C2x) Data Bus Data Bus 16 16 16 16 16 16 Shifters (0-7) † ACCL(16) 32 ACCH(16) 32 32 ALU(32) 32 32 32 Shifter(-6, 0, 1, 4) 16 Shifter(0-16) 7 LSB From IR 9 9 16 16 16 32 TR(16) 16 Multi[...]

TMS320 SECOND-GENERA TION DEVICES SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 7 scaling shifter The TMS320C2x scaling shifter has 16-bit input connected to the data bus and a 32-bit output connected to the ALU. The scaling shifter produces a left shift of 0 to 16 bits on the input data, as programm[...]

TMS320 SECOND-GENERA TION DEVICES SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 8 Pages 8 -51 1 Interrupts and Reserved (External) External Interrupts and Reserved (On-Chip ROM/EPROM) On-Chip Memory-Mapped Registers On-Chip ROM/EPROM Reserved Reserved On-Chip Block B2 Reserved External If MP/MC = 1 ([...]

TMS320 SECOND-GENERA TION DEVICES SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 9 interrupts and subroutines The TMS320C2x has three external maskable user interrupts INT2-INT0 , available for external devices that interrupt the processor . Internal interrupts are generated by the serial port (RINT a[...]

TMS320 SECOND-GENERA TION DEVICES SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 10 instruction set The TMS320C2x microprocessor implements a comprehensive instruction set that supports both numeric-intensive signal processing operations as well as general-purpose applications, such as multiprocessing[...]

TMS320 SECOND-GENERA TION DEVICES SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 11 instruction set summary T able 2 lists the symbols and abbreviations used in T able 3, the TMS320C25 instruction set summary . T able 3 consists primarily of single-cycle, single-word instructions. Infrequently used br[...]

S NO. WORDS D DESCRIPTION D D K D D S D S S D D S D S S X D D X S D D D D K D MNEMONIC K INSTRUCTION BIT CODE TMS320C25 SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 12 T able 3. TMS320C25 Instruction Set Summary ACCUMULA TOR MEMOR Y REFERENCE INSTRUCTIONS 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 ABS Ab[...]

S D D D D D NO. WORDS DESCRIPTION INSTRUCTION BIT CODE MNEMONIC NO. WORDS DESCRIPTION INSTRUCTION BIT CODE MNEMONIC K D R K R D DP R D D R K R CM TMS320C25 SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 13 T able 3. TMS320C25 Instruction Set Summary (continued) ACCUMULA TOR MEMOR Y REFERENCE INSTRUCTI[...]

NO. WORDS DESCRIPTION INSTRUCTION BIT CODE MNEMONIC D D D D D D D D D D D D D D D D PM K TMS320C25 SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 14 T able 3. TMS320C25 Instruction Set Summary (continued) T REGISTER, P REGISTER, AND MUL TIPL Y INSTRUCTIONS 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 AP AC A[...]

NO. WORDS DESCRIPTION INSTRUCTION BIT CODE MNEMONIC D D D D D D D D D D D D D D D D NO. WORDS DESCRIPTION INSTRUCTION BIT CODE MNEMONIC D D D D D D D PA PA TMS320C25 SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 15 T able 3. TMS320C25 Instruction Set Summary (continued) BRANCH/CALL INSTRUCTIONS 15 14[...]

D NO. WORDS DESCRIPTION INSTRUCTION BIT CODE MNEMONIC D D D D D D B D D K TMS320C25 SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 16 T able 3. TMS320C25 Instruction Set Summary (concluded) CONTROL INSTRUCTIONS 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 BIT † T est bit 1 1 0 0 1 I BITT † T est bit spec[...]

TMS32020 SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 17 TMS32020 PRODUCT NOTIFICA TION T exas Instruments has identified an unusual set of circumstances that will cause the BIT (T est Bit) instruction on the TMS32020 to affect the contents of the accumulator; ideally , the BIT instruction should no[...]

TMS320 SECOND-GENERA TION DEVICES SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 18 development support T ogether , T exas Instruments and its authorized third-party suppliers of fer an extensive line of development support products to assist the user in all aspects of TMS320 second-generation-based d[...]

TMS320 SECOND-GENERA TION DEVICES SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 19 T able 4. TMS320 Second-Generation Software and Hardware Support SOFTW ARE TOOLS P ART NUMBER Macro Assembler/Linker IBM MS/PC-DOS TMDS3242850-02 V AX/VMS TMDS3242250-08 V AX UL TRIX TMDS3242260-08 SUN UNIX TMDS3242550[...]

TMS320 SECOND-GENERA TION DEVICES SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 20 documentation support Extensive documentation supports the second-generation TMS320 devices from product announcement through applications development. The types of documentation include data sheets with design specifi[...]

High-level input voltage Low-level input voltage V IL V IH TMS32020 SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 21 absolute maximum ratings over specified temperature range (unless otherwise noted)† Supply voltage range, V CC ‡ – 0.3 V to 7 V . . . . . . . . . . . . . . . . . . . . . . . . . [...]

TMS32020 SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 22 CLOCK CHARACTERISTICS AND TIMING The TMS32020 can use either its internal oscillator or an external frequency source for a clock. internal clock option The internal oscillator is enabled by connecting a crystal across X1 and X2/CLKIN (see Figu[...]

TMS32020 SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 23 timing requirements over recommended operating conditions (see Note 3) MIN NOM MAX UNIT t c(C) CLKIN cycle time 195 597 ns t f(CI) CLKIN fall time 10 † ns t r(CI) CLKIN rise time 10 † ns t w(CIL) CLKIN low pulse duration, t c(CI) = 50 ns ([...]

TMS32020 SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 24 MEMOR Y AND PERIPHERAL INTERF ACE TIMING switching characteristics over recommended operating conditions (see Note 3) P ARAMETER MIN TYP MAX UNIT t d(C1-S) STRB from CLKOUT1 (if STRB is present) Q – 15 Q Q + 15 ns t d(C2-S) CLKOUT2 to STRB ([...]

TMS32020 SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 25 RS , INT , BIO , AND XF TIMING switching characteristics over recommended operating conditions (see Note 3 and 8) P ARAMETER MIN TYP MAX UNIT t d(RS) CLKOUT1 low to reset state entered 45 ns t d(IACK) CLKOUT1 to IACK valid – 25 0 25 ns t d(X[...]

TMS32020 SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 26 SERIAL PORT TIMING switching characteristics over recommended operating conditions (see Note 3) P ARAMETER MIN TYP MAX UNIT t d(CH-DX) DX valid after CLKX rising edge (see Note 10) 100 ns t d(FL-DX) DX valid after FSX falling edge (TXM = 0, se[...]

V IL T A Low-level input voltage Operating free-air temperature I CC Low-level input voltage T A = 0 ° C, V CC = MAX, f x = MAX mA TMS320C25, TMS320E25 SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 27 absolute maximum ratings over specified temperature range (unless otherwise noted) † Supply volta[...]

TMS320C25, TMS320E25 SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 28 CLOCK CHARACTERISTICS AND TIMING The TMS32025 can use either its internal oscillator or an external frequency source for a clock. internal clock option The internal oscillator is enabled by connecting a crystal across X1 and X2/CLK[...]

TMS320C25, TMS320E25 SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 29 timing requirements over recommended operating conditions (see Note 3) MIN NOM MAX UNIT t c(CI) CLKIN cycle time 24.4 150 ns t f(CI) CLKIN fall time 5 † ns t r(CI) CLKIN rise time 5 † ns t w(CIL) CLKIN low pulse duration, t c(C[...]

TMS320C25, TMS320E25 SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 30 0.80 V 0.92 V 1.88 V 2.0 V 0 V IH (Min) V IL (Max) (a) Input 0.6 V 0.8 V 2.2 V 2.4 V 0 V OH (Min) V OL (Max) (b) Output Figure 5. V oltage Reference Levels MEMOR Y AND PERIPHERAL INTERF ACE TIMING switching characteristics over rec[...]

TMS320C25, TMS320E25 SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 31 RS , INT , BIO , AND XF TIMING switching characteristics over recommended operating conditions (see Note 3 and 8) P ARAMETER MIN TYP MAX UNIT t d(RS) CLKOUT1 low to reset state entered 22 † ns t d(IACK) CLKOUT1 to IACK valid – [...]

TMS320C25, TMS320E25 SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 32 SERIAL PORT TIMING switching characteristics over recommended operating conditions (see Note 3) P ARAMETER MIN TYP MAX UNIT t d(CH-DX) DX valid after CLKX rising edge (see Note 10) 75 ns t d(FL-DX) DX valid after FSX falling edge ([...]

TMS320E25 SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 33 EPROM PROGRAMMING absolute maximum ratings over specified temperature range (unless otherwise noted) † Supply voltage range, V PP ‡ – 0.6 V to 15 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

I CC T A = 0 ° C, V CC = MAX, f x = MAX mA Supply current TMS320C25-50 SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 34 absolute maximum ratings over specified temperature range (unless otherwise noted) † Supply voltage range, V CC ‡ – 0.3 V to 7 V . . . . . . . . . . . . . . . . . . . . . . .[...]

TMS320C25-50 SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 35 CLOCK CHARACTERISTICS AND TIMING The TMS320C25-50 can use either its internal oscillator or an external frequency source for a clock. internal clock option The internal oscillator is enabled by connecting a crystal across X1 and X2, CLKIN.[...]

TMS320C25-50 SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 36 +5 V f crystal 4.7 k Ω 10 k Ω 74HC04 F1 1 CLKIN 47 pF 74AS04 10 k Ω C = 20 pF 0.1 µ F L TMS320C25 TMS320C25 TMS320C25-50 TMS320E25 40.96 51.20 40.96 1.8 1.0 1.8 f crystal, (MHz) L, ( µ H) Figure 7. External Clock Option timing requ[...]

TMS320C25-50 SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 37 MEMOR Y AND PERIPHERAL INTERF ACE TIMING switching characteristics over recommended operating conditions (see Note 3) P ARAMETER MIN TYP MAX UNIT t d(C1-S) STRB from CLKOUT (if STRB is present) Q – 5 Q + 3 ns t d(C2-S) CLKOUT2 to STRB (i[...]

TMS320C25-50 SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 38 RS , INT , BIO , AND XF TIMING switching characteristics over recommended operating conditions (see Notes 3 and 16) P ARAMETER MIN TYP MAX UNIT t d(RS) CLKOUT1 low to reset state entered 22 † ns t d(IACK) CLKOUT1 to IACK valid – 5 7 ns[...]

P ARAMETER UNIT TMS320C25-50 SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 39 SERIAL PORT TIMING switching characteristics over recommended operating conditions (see Note 3) P ARAMETER MIN TYP MAX UNIT t d(CH-DX) DX valid after CLKX rising edge (see Note 18) 75 ns t d(FL-DX) DX valid after falling ed[...]

P ARAMETER UNIT P ARAMETER UNIT P ARAMETER UNIT P ARAMETER UNIT TMS320C25-50 SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 40 memory and peripheral interface timing TMS320C25 TMS320C25-50 MIN TYP MAX MIN TYP MAX t d(C1-S) Q – 6 Q Q+6 Q – 5 Q + 3 ns t d(C2-S) – 6 0 6 – 2 5 ns t su(A) Q – 12 [...]

TMS320 SECOND-GENERA TION DEVICES SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 41 TIMING DIAGRAMS This section contains all the timing diagrams for the TMS320 second-generation devices. Refer to the top corner of page for the specific device. T iming measurements are referenced to and from a low vol[...]

TMS320 SECOND-GENERA TION DEVICES SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 42 memory read timing CLKOUT1 CLKOUT2 STRB A15-A0, BR , PS , DS or IS R/W READY D15-D0 t d(C1-S) t d(C1-S) t d(C2-S) t d(C2-S) t su(A) t w(SL) t h(A) t w(SH) t d(SL-R) t su(D)R t h(SL-R) t h(D)R Data In V alid t a(A) ADV [...]

TMS320 SECOND-GENERA TION DEVICES SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 43 memory write timing CLKOUT1 CLKOUT2 STRB A15-A0, BR , PS , DS or IS R/W READY D15-D0 V alid Data Out t su(A) t h(A) t su(D)W t dis(D) t en(D) t h(D)W ADV ANCE INFORMA TION[...]

TMS320 SECOND-GENERA TION DEVICES SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 44 one wait-state memory access timing CLKOUT1 CLKOUT2 STRB A15-A0, BR, PS , DS , R/W or IS MSC READY D15-D0 (For Read Operation) Data In Data Out t h(C2H-R) V alid D15-D0 (For Write Operation) t d(C2H-R) t d(M-R) t h(M-R[...]

TMS320 SECOND-GENERA TION DEVICES SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 45 reset timing CLKOUT1 RS A15-A0 D15-D0 PS STRB Control Signals † IACK Serial Port Control ‡ Fetch Location 0 Begin Program Execution V alid V alid t d(RS) t su(IN) t h(IN) t su(IN) t w(RS) † Control signals are DS[...]

TMS320 SECOND-GENERA TION DEVICES SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 46 interrupt timing (TMS32020) CLKOUT1 STRB INT2-INT0 A15-A0 IACK FETCH N FETCH N + 1 FETCH I FETCH I + 1 t su(IN) t h(IN) t w(IN) t d(IACK) t f(IN) t d(IACK) interrupt timing (TMS320C25) CLKOUT1 STRB INT2-INT0 A15-A0 IAC[...]

TMS320 SECOND-GENERA TION DEVICES SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 47 serial port receive timing t c(SCK) t w(SCK) t w(SCK) t f(SCK) t h(DR) t h(FS) t su(DR) t su(FS) CLKR FSR DR t r(SCK) serial port transmit timing CLKX FSX (Input, TXM = 0) DX FSX (Output, TXM = 1) t c(SCK) t r(SCK) t w[...]

TMS32020 SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 48 BIO timing CLKOUT1 STRB A15-A0 BIO FETCH BIOZ t su(IN) t h(IN) FETCH Branch Address FETCH Next Instruction PC = NP C = N + 1P C = N + 2P C = N + 3 or Branch Address V alid external flag timing CLKOUT1 STRB A15-A0 XF t d(XF) PC = N – 1P C = N[...]

TMS320C25 SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 49 BIO timing CLKOUT1 STRB A15-A0 BIO FETCH BIOZ t su(IN) t h(IN) FETCH Next Instruction PC = NP C = N + 1P C = N + 2 or Branch Address V alid FETCH Branch Address external flag timing CLKOUT1 STRB A15-A0 XF t d(XF) PC = NP C = N + 1P C = N + 2P[...]

TMS32020 SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 50 HOLD timing (part A) CLKOUT1 CLKOUT2 STRB HOLD A15-A0 PS , DS , or IS R/W D15-D0 HOLDA FETCH EXECUTE t d(C2H-H) † t dis(C1L-A) t dis(AL-A) t d(C1L-AL) In In N N + 1 N + 2 V alid V alid N N + 1 N/A N/A N – 1 N Dummy Dead † HOLD is an asyn[...]

TMS32020 SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 51 HOLD timing (part B) CLKOUT1 CLKOUT2 STRB HOLD A15-A0 PS , DS , or IS R/W D15-D0 HOLDA FETCH EXECUTE t d(C2H-H) † In In N + 2 N + 3 V alid V alid N/A N /A N + 2 N + 3 Dead Dead N + 1 N + 2 t en(A-C1L) t d(HH-AH) † HOLD is an asynchronous i[...]

TMS320C25 SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 52 HOLD timing (part A) CLKOUT1 CLKOUT2 STRB HOLD A15-A0 PS , DS , or IS R/W D15-D0 HOLDA FETCH EXECUTE t d(C2H-H) † t dis(C1L-A) t dis(AL-A) t d(C1L-AL) In In N N + 1 N + 2 V alid V alid N N + 1 – – N – 2 N – 1 N – † HOLD is an as[...]

TMS320C25 SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 53 HOLD timing (part B) CLKOUT1 CLKOUT2 STRB HOLD PS , DS , or IS R/W D15-D0 HOLDA A15-A0 FETCH EXECUTE t d(C2H-H) † In N + 2 N + 2 V alid – – – N + 2 – – – N + 1 t en(A-C1L) t d(HH-AH) † HOLD is an asynchronous input and can occ[...]

TMS320 SECOND-GENERA TION DEVICES SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 54 TYPICAL SUPPL Y CURRENT CHARACTERISTICS FOR TMS320C25 170 160 150 140 130 120 11 0 100 90 80 70 60 50 40 30 10 20 4 8 12 16 20 24 28 32 36 40 44 48 52 T A = 25 ° C I CC vs f (CLKIN) and V CC Normal Operating Mode f (C[...]

TMS320 SECOND-GENERA TION DEVICES SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 55 MECHANICAL DA T A 68-pin GB grid array ceramic package (TMS32020, TMS320C25) ALL LINEAR DIMENSIONS ARE IN MILLIMETERS AND P ARENTHETICALL Y IN INCHES 28,448 (1.120) 27,432 (1.080) 4,953 (0.195) 2,032 (0.080) 3,302 (0.1[...]

TMS320C25 TMS320C25-50 SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 56 68-lead plastic leaded chip carrier package (TMS320C25 and TMS320C25-50) ALL LINEAR DIMENSIONS ARE IN MILLIMETERS AND P ARENTHETICALL Y IN INCHES 25,27 (0.995) 25,02 (0.985) 24,33 (0.956) 24,13 (0.950) 0,81 (0.032) 0,66 (0.026) 0[...]

ALL LINEAR DIMENSIONS ARE IN MILLIMETERS AND P ARENTHETICALL Y IN INCHES R θ JA Junction-to-free-air thermal resistance 49 ° C/W R θ JC Junction-to-case thermal resistance 8 ° C/W P ARAMETER MAX UNIT Thermal Resistance Characteristics (see Note 1) A (see Note 2) B B A (see Note 2) 1,02 (0.040) × 45 ° 0,64 (0.025) R Max 3 Places 1,27 (0.050) T[...]

TMS320E25 SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 58 programming the TMS320E25 EPROM cell The TMS320E25 includes a 4K × 16-bit EPROM, implemented from an industry-standard EPROM cell, to perform prototyping and early field testing and to achieve low-volume production. When used with a 4K-word [...]

Pin Nomenclature (TMS320E25) TMS320E25 SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 59 Figure 9 shows the wiring conversion to program the TMS320E25 using the 28-pin pinout of the TMS27C64. The pin nomenclature table provides a description of the TMS27C64 pins. The code to be programmed into the dev[...]

TMS320E25 SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 60 T able 5 shows the programming levels required for programming, verifying and reading the EPROM cell. The paragraphs following the table describe the function of each programming level. T able 5. TMS320E25 Programming Mode Levels SIGNAL NAME [...]

TMS320E25 SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 61 program verify Programmed bits may be verified with V PP = 12.5 V when G = V IL , E = V IL , and PGM = V IH . Figure 1 1 shows the timing for the program and verify operation. Start Address = First Location V CC = 6 ± 0.25 V V PP = 12.5 V ±[...]

TMS320E25 SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 62 Address Stable Address N + 1 Data In Stable Data Out V alid HI-Z Program V erify V IH V IL V IH /V OH V IL /V OL V PP V CC V CC + 1 V CC V IH V IL V IH V IL V IH V IL A12-A0 Q8-Q1 V PP V CC E PGM G Figure 1 1. Fast Programming Timing program [...]

TMS320E25 SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 63 T able 6. TMS320E25 Protect and V erify EPROM Mode Levels SIGNAL † TMS320E25 PIN TMS27C64 PIN ROM PROTECT PROTECT VERIFY E 22 20 V IH V IL G 42 22 V IH V IL PGM 41 27 V IH V IH V PP 25 1 V PP V CC V CC 61,35 28 V CC + 1 V CC V SS 10, 27, 44[...]

TMS320E25 SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 64 Start X = 0 V erify RBIT Device Passed X = 25? Fail No Pass EPROM Protect Setup Program One 1-ms Pulse X = X + 1 Protect V erify Setup Device Failed V erify RBIT Protect V erify Setup Program One Pulse of 3X-ms Duration EPROM Protect Setup Ye[...]

TMS320E25 SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 65 Protect V erify V PP V CC V IH /V OH V IL /V OL V IH V IL V IH V IL V CC + 1 V CC V PP V SS V IH V IL A4 Q8 V PP V CC E G V IH V IL V IH V IL A6 EPT PGM HI-Z HI-Z HI-Z Figure 13. EPROM Protect Timing ADV ANCE INFORMA TION[...]

INDEX TMS320 SECOND-GENERA TION DEVICES SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 66 ADV ANCE INFORMA TION[...]

NIL NIL NIL SPRS010B — MA Y 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 67 accumulator 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . adapter socket 58 . . . . . . . . . . . . . . . . . . . . . . . . . . . . addressing modes 10 . . . . . . . . . . . . . . . . . . . . . . . . . ALU 5 . . . . . . . [...]

PACKAGING INFORMATION Orderable Device Status (1) Package Type Package Drawing Pins Package Qty Eco Plan (2) Lead/Ball Finish MSL Peak Temp (3) TMS320C25FNA NRND PLCC FN 68 18 Green (RoHS & no Sb/Br) CU NIPDAU Level-3-260C-168 HR TMS320C25FNAR NRND PLCC FN 68 TBD Call TI Call TI TMS320C25FNL NRND PLCC FN 68 18 Green (RoHS & no Sb/Br) CU NIP[...]

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