TMS370 datasheet(4/73 Pages) TI

4 / 73 page

TMS370Cx6x

8-BIT MICROCONTROLLER

SPNS033C – SEPTEMBER 1995 – REVISED FEBRUARY 1997

POST OFFICE BOX 1443

• HOUSTON, TEXAS 77251–1443

functional block diagram

Program Memory

ROM: 24K, 32K, or

48K Bytes

EPROM: 32K or

48K Bytes

VSS1

VCC1

RESET

XTAL2/

CLKIN

XTAL1

INT3

INT2

INT1

E0 – E7

AN0 – AN7

VCC2

VSS2

Data EEPROM

256 Bytes

RAM

1K or 3.5K Bytes

CPU

Port D

Port C

Port B

Watchdog

Timer 1

Timer 2B

Serial

Communications

Interface 1

Serial

Peripheral

Interface

System Control

Clock Options:

Divide-by-4 or

Divide-by-1(PLL)

T1PWM

T1EVT

T1IC / CR

T2BIC2 / PWM

T2BEVT

T2BIC1 / CR

SCICLK

SCITXD

SCIRXD

SPICLK

SPISIMO

SPISOMI

VSS3

VCC3

Port A

Interrupts

Memory Expansion

Timer 2A

T2AIC2 / PWM

T2AEVT

T2AIC1 / CR

Analog to Digital

Converter 1

description

The TMS370C067, TMS370C068, TMS370C069, TMS370C768, TMS370C769, SE370C768, and

SE370C769 devices are members of the TMS370 family of single-chip 8-bit microcontrollers. Unless otherwise

noted, the term TMS370Cx6x refers to these devices. The TMS370 family provides cost-effective real-time

control through integration of advanced peripheral function modules and various on-chip memory

configurations.

The TMS370Cx6x family of devices is implemented using high-performance silicon-gate CMOS EPROM and

EEPROM technologies. The low-operating power, wide-operating temperature range, and noise immunity of

CMOS technology, coupled with the high performance and extensive on-chip peripheral functions, make the

TMS370Cx6x devices attractive in system designs for automotive electronics, industrial motor control,

computer peripheral control, telecommunications, and consumer application.

All TMS370Cx6x devices contain the following on-chip peripheral modules:

D 8-channel, 8-bit analog-to-digital converter 1 (ADC1)

D Serial communications interface 1 (SCI1)

D Serial peripheral interface (SPI)

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