TMS370 datasheet(4/60 Pages) TI

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TMS370Cx2x

8-BIT MICROCONTROLLER

SPNS018C – FEBRUARY 1993 – REVISED FEBRUARY 1997

POST OFFICE BOX 1443

• HOUSTON, TEXAS 77251–1443

description

The TMS370C020A, TMS370C022A, TMS370C320A, TMS370C322A, TMS370C722, and SE370C722

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

term TMS370Cx2x refers to these devices. The TMS370 family provides cost-effective real-time system control

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

The TMS370Cx2x family uses high-performance silicon-gate CMOS EPROM and EEPROM technology. 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 TMS370Cx2x devices attractive in

system designs for automotive electronics, industrial motor, computer peripheral controls, telecommunications,

and consumer applications.

All TMS370Cx2x devices contain the following on-chip peripheral modules:

D Serial peripheral interface (SPI)

D Serial communications interface 1 (SCI1)

D One 24-bit general-purpose watchdog (WD) timer

D One 16-bit general-purpose timer with an 8-bit prescaler

Table 1 lists memory configurations of the TMS370Cx2x devices.

Table 1. Memory Configurations

DEVICE

PROGRAM MEMORY (BYTES)

DATA MEMORY (BYTES)

PIN/PACKAGES

DEVICE

ROM

EPROM

RAM

EEPROM

PIN/PACKAGES

TMS370C020A

—

256

44/FN-PLCC

40/N-DIP

40/NJ‡-PSDIP

TMS370C022A

—

256

44/FN-PLCC

40/N-DIP

40/NJ‡-PSDIP

TMS370C320A

—

256

—

44/FN-PLCC

40/N-DIP

40/NJ‡-PSDIP

TMS370C322A

—

256

—

44/FN-PLCC

40/N-DIP

40/NJ‡-PSDIP

TMS370C722

—

256

44/FN-PLCC

40/N-DIP

40/NJ‡-PSDIP

SE370C722†

—

256

44/FZ-CLCC

40/JD-CDIP

40/JC-CSDIP

† System evaluators and development tools are for use only in a prototype environment, and their reliability has not been characterized.

‡ The NJ designator for the 40-pin plastic shrink DIP package was formerly known as N2. The mechanical drawing of the NJ is identical to the N2

package and did not need to be requalified.

The suffix letter A appended to the device names in Table 1 indicates the configuration of the devices. ROM

or EPROM devices have different configurations as indicated in Table 2. ROM devices with the suffix letter A

are configured through a programmable contact during manufacture.

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