Texas Instruments TMS320 specifications INT0 INT2 VIH, CLKIN, CLKX, Clkr, Mp/Mc Vil

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TMS320C25-50

ADVANCE INFORMATION

SPRS010B Ð MAY 1987 Ð REVISED NOVEMBER 1990

absolute maximum ratings over specified temperature range (unless otherwise noted)²

Supply voltage range, VCC³	. ± 0.3 V to 7 V
Input voltage range	. ± 0.3 V to 7 V
Output voltage range	. ± 0.3 V to 7 V
Continuous power dissipation	. . . . . . . . 1.5 W
Operating free-air temperature range	. . . 0°C to 70°C
Storage temperature range	± 55°C to 150°C

²Stresses beyond those listed under ªAbsolute Maximum Ratingsº may cause permanent damage to the device. This is a stress ratingonly, and functional operation of the device at these or any other conditions beyond those indicated in the ªRecommended Operating Conditionsº section of this specification is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.

³ All voltage values are with respect to VSS.

recommended operating conditions

MIN

NOM

MAX

UNIT

VCC

Supply voltage

4.75

5

5.25

V

VSS

Supply voltage

0

V

INT0

-

INT2

2.5

V

VIH

High-level input voltage

CLKIN, CLKX, CLKR

3.5

V

Other inputs

2.35

V

0.8

V

MP/MC

VIL

Low-level input voltage

CLKIN

0.8

V

Other inputs

0.8

V

IOH

High-level output current

300

∝A

IOL

Low-level output current

2

mA

TA

Operating free-air temperature

0

70

°C

electrical characteristics over specified free-air temperature range (unless otherwise noted)

	PARAMETER					TEST CONDITIONS	MIN TYP§	MAX	UNIT
VOH	High-level output voltage					VCC = MIN, IOH = MAX	2.4		V
VOL	Low-level output voltage					VCC = MIN, IOL = MAX		0.6	V
IZ	High-impedance current					VCC = MAX	± 20	20	∝A
II	Input current					VI = VSS to VCC	± 10	10	∝A
			Normal			TA = 0°C, VCC = MAX, fx = MAX	110	185
ICC	Supply current								mA

			Idle, HOLD				50	100
			Idle, HOLD				50	100
CI	Input capacitance						15		pF
CO	Output capacitance						15		pF

§All typical values are at VCC = 5 V, TA = 25°C.

34	POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001

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Contents TMS320 SECOND-GENERATION Digital Signal Processors DescriptionPGA and PLCC/CER-QUAD PIN Assignments Signals DefinitionFunction PIN Introduction Memory Space Key Features TMS32020Bit-Reversed Indexed-Addressing Mode for Wait States for Communication to Slower Off-ChipPackage ArchitectureTMS320 Second-Generation Device Overview TypeFunctional block diagram TMS320C2x SECOND-GENERATION Devices16 ⋅ 16-bit parallel multiplier TimerScaling shifter Memory controlTMS320 SECOND-GENERATION Devices Memory MapsExternal interface Interrupts and subroutinesMultiprocessing Instruction set Repeat featureAddressing modes Symbol Definition Instruction SymbolsInstruction set summary TMS320C25 Instruction Set Summary XORK² SUBT²XOR ZACLTA ApacLPH ² LTP ²Data Memory Operations Mnemonic Description Words TMS320C25 Instruction Set Summary concluded TMS32020 TMS32020 Product NotificationDevelopment support Software Tools Part Number TMS320 Second-Generation Software and Hardware SupportHardware Tools Part Number Specification overview Documentation supportMIN NOM MAX Unit Recommended operating conditionsParameter Test Conditions MIN TYP§ MAX Unit Internal clock option Clock Characteristics and TimingExternal clock option Test Load Circuit Memory and Peripheral Interface Timing Parameter MIN TYP MAX UnitHold Timing RS, INT, BIO, and XF TimingHold Holda Serial Port Timing MP/MC IOH INT Clkin / Clkx / ClkrTMS320C25GBA Parameter Test Conditions MIN TYP MAX Unit External Clock Option ClkinVOH Min TdC1L-AL Low after CLKOUT1 low Serial Port Timing VPP Eprom ProgrammingSee Notes 14 IPP1CLKIN, CLKX, Clkr INT0 INT2 VIHMP/MC VIL Internal Clock Option External clock option CLKOUT1, CLKOUT2Fcrystal TdC1-S From Clkout if Is present TsuIN Setup before CLKOUT1 high Parameter Contrast Summary of Electrical SpecificationsClock characteristics and timing MIN TYP MAXHold timing Memory and peripheral interface timingRS, INT, BIO, and XF timing Serial port timingTiming Diagrams Clock timingBR, PS, D S Memory read timingReady Memory write timing CLKOUT1 CLKOUT2 StrbOne wait-state memory access timing MSCReset timing IackInterrupt timing TMS32020 Interrupt timing TMS320C25Serial port receive timing Serial port transmit timingBIO timing External flag timingPC = N PC = N + Holda Hold timing part aHold ExecuteCLKOUT1 CLKOUT2 Hold timing part BHolda Fetch Fetch Execute Or is D15-D0 TdHH-AH Typical Supply Current Characteristics for TMS320C25 TMS320C25FNL Plcc reflow soldering precautionsPin GB grid array ceramic package TMS32020, TMS320C25 Mechanical DataParameter MAX Unit Advance Jedec NO. Outline Terminals MIN MAX Programming the TMS320E25 Eprom cell Fast programming and verificationEPT Pin Nomenclature TMS320E25VCC EPT VPPProgram Read Output Name ² PIN Verify Inhibit Disable TMS320E25 Programming Mode LevelsSignal ErasureFast Programming Flowchart Program verifyRead Output disableROM protection and verification VIH VIL PGM VPP VCC TMS320E25 Protect and Verify Eprom Mode LevelsEprom protect VSS Clkin EPT VPPEprom RbitVIH VIL VPP VCC VCC VIH VIL PGM VIH/VOH HI-Z VIL/VOL VPP EPT VSSTMS320 SECOND-GENERATION NIL Packaging Information Other Qualified Versions of TMS320C25Important Notice