TMS370 datasheet(32/50 Pages) TI

32 / 50 page

TMS370Cx1x

8-BIT MICROCONTROLLER

SPNS012F – MAY 1987 – REVISED FEBRUARY 1997

POST OFFICE BOX 1443

• HOUSTON, TEXAS 77251–1443

device numbering conventions

Figure 12 illustrates the numbering and symbol nomenclature for the TMS370Cx1x family.

370

1 2

Prefix: TMS = Standard prefix for fully qualified devices

SE = System evaluator (window EPROM) that is used for

prototyping purpose.

Family:

370 = TMS370 8-Bit Microcontroller Family

Technology:

C = CMOS

Program Memory Types:

0 = Mask ROM

3 = Mask ROM, No Data EEPROM

7 = EPROM

Device Type:

1 = ’x1x device containing the following modules:

– Timer 1

– Serial Peripheral Interface

Memory Size:

0 = 4K bytes

1 = 2K bytes

2 = 8K bytes

Temperature Ranges:

A = –40

°C to 85°C

L =

°C to 70°C

T = –40

°C to 105°C

Packages:

FN = Plastic Leaded Chip Carrier

FZ = Ceramic Leaded Chip Carrier

N = Plastic Dual-In-Line

JD = Ceramic Dual-in-Line

ROM and EPROM Option:

A = For ROM device, the watchdog timer can be configured

as one of the three different mask options:

– A standard watchdog

– A hard watchdog

– A simple watchdog

The clock can be either:

– Divide-by-4 clock

– Divide-by-1 (PLL) clock

The low-power modes can be either:

– Enabled

– Disabled

A = For EPROM device, a standard watchdog, a divide-by-

4 clock, and low-power modes are enabled

B = For EPROM device, a hard watchdog, a divide-by-1

(PLL) clock, and low-power modes are enabled.

TMS

AFN L

Figure 12. TMS370Cx1x Family Nomenclature

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