ST6397B1 datasheet(5/68 Pages) STMICROELECTRONICS

5 / 68 page

8-BIT HCMOS MCUs

FOR TV FREQUENCY SYNTHESIS WITH OSD

ST6391, ST6392, ST6393

ST6395, ST6397, ST6399

4.5 to 6V supply operating range

8MHz Maximum Clock Frequency

User Program ROM: Up to

20140 bytes

Reserved Test ROM:Up to

340 bytes

Data ROM:

User selectable size

Data RAM:

256 bytes

Data EEPROM:

Up to

384 bytes

42-Pin Shrink Dual in Line Plastic Package

Up to 23 software programmable general pur-

pose Inputs/Outputs, including 2 direct LED

driving Outputs

Two Timers each including an 8-bit counter with

a 7-bit programmable prescaler

Digital Watchdog Function

Serial Peripheral Interface (SPI) supporting

S-BUS/ I

2C BUS and standard serial protocols

SPI for external frequency synthesis tuning

Up to Six 6-Bit PWM D/A Converters

AFC A/D converter with 0.5V resolution

Five interrupt vectors (IRIN/NMI, Timer 1 & 2,

VSYNC, PWR INT.)

On-chip clock oscillator

5 Lines by 15 Characters On-Screen Display

Generator with 128 Characters

All ROM types are supported by pin-to-pin

EPROM and OTP versions.

The development tool of the ST639x microcon-

trollers consists of the ST638x-EMU emulation

and development system to be connected via a

standard RS232 serial line to an MS-DOS Per-

sonal Computer.

This is Preliminary information from SGS-THOMSON. Details are subject to change without notice.

October 1993

(Ordering Information at the end of the datasheet)

PSDIP42

PRELIMINARY DATA

DEVICE

ROM

(Bytes)

EEPROM

(Bytes)

ST6391

16K

128

ST6392

20K

128

ST6393

16K

128

ST6395

20K

384

ST6397

20K

384

ST6399

16K

128

DEVICE SUMMARY

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