ST6385 datasheet(5/84 Pages) STMICROELECTRONICS

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ST6365, ST6375, ST6385 ST6367, ST6377, ST6387

1 GENERAL DESCRIPTION

1.1 INTRODUCTION

The ST6365,67,75,77,85,87 microcontrollers are

members of the 8-bit HCMOS ST638x family, a

series of devices specially oriented to TV applica-

tions. Different ROM size and peripheral configu-

rations are available to give the maximum applica-

tion and cost flexibility. All ST638x members are

based on a building block approach: a common

core is surrounded by a combination of on-chip pe-

ripherals (macrocells) available from a standard li-

brary. These peripherals are designed with the

same Core technology providing full compatibility

and short design time. Many of these macrocells

are specially dedicated to TV applications. The

macrocells of the ST638x family are: two Timer

peripherals each including an 8-bit counter with a

7-bit software programmable prescaler (Timer), a

digital hardware activated watchdog function (DH-

WD), a 14-bit voltage synthesis tuning peripheral,

a Serial Peripheral Interface (SPI), up to six 6-bit

PWM D/A converters, an AFC A/D converter with

0.5V resolution, an on-screen display (OSD) with

15 characters per line and 128 characters (in two

banks each of 64 characters). In addition the fol-

lowing memory resources are available: program

ROM (up to 20K), data RAM (256 bytes), EEP-

ROM (384 bytes). Refer to pin configurations fig-

ures and to ST638x device summary (Table 1) for

the definition of ST638x family members and a

summary of differences among the different types.

Table 1. Device Summary

Device

ROM

(Bytes)

RAM

(Bytes)

EEPROM

(Bytes)

AFC

D/A

Colour

Pins

EPROM Devices

ST6365

256

384

Yes

ST63E85

ST6367

256

384

Yes

ST63E87

ST6375

14K

256

384

Yes

ST63E85

ST6377

14K

256

384

Yes

ST63E87

ST6385

20K

256

384

Yes

ST63E85

ST6387

20K

256

384

Yes

ST63E87

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