TMS370 datasheet(56/73 Pages) TI

56 / 73 page

TMS370Cx6x

8-BIT MICROCONTROLLER

SPNS033C – SEPTEMBER 1995 – REVISED FEBRUARY 1997

POST OFFICE BOX 1443

• HOUSTON, TEXAS 77251–1443

recommended operating conditions

MIN

NOM

MAX

UNIT

VCC1

Supply voltage (see Note 2)

4.5

5.5

VCC1

RAM data-retention supply voltage (see Note 3)

5.5

VCC2 Digital I/O supply voltage (see Note 2)

4.5

5.5

VCC3 Analog supply voltage (see Note 2)

4.5

5.5

VSS2

Digital I/O supply ground

– 0.3

0.3

VSS3

Analog supply ground

– 0.3

0.3

VIL

Low level input voltage

All pins except MC

VSS1

0.8

VIL

Low-level input voltage

MC, normal operation

VSS1

0.3

All pins except MC, XTAL2 / CLKIN, and

RESET

VCC1

VIH

High-level input voltage

MC (non-WPO mode)

VCC1 – 0.3

VCC1 + 0.3

XTAL2 / CLKIN

0.8 VCC1

VCC1

RESET

0.7 VCC1

VCC1

EEPROM write protect override (WPO)

11.7

VMC

MC (mode control) voltage

EPROM programming voltage (VPP)

13.2

13.5

VMC

()

(see Note 4)

Microprocessor

VCC1 – 0.3

VCC1 + 0.3

Microcomputer

VSS1

0.3

L version

Operating free-air temperature

A version

– 40

°C

T version

– 40

105

NOTES:

2. Unless otherwise noted, all voltage values are with respect to VSS1.

3. RESET must be activated externally when VCC1 or SYSCLK is out of the recommended operating range.

4. The basic microcomputer and microprocessor operating modes are selected by the voltage level applied to the dedicated MC pin

two system-clock cycles (tc) before RESET goes inactive (high). The WPO mode can be selected anytime that a sufficient voltage

is present on MC.

TMS370 Datasheet(PDF) 56 Page - Texas Instruments

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