ST6375 datasheet(72/84 Pages) STMICROELECTRONICS

72 / 84 page

72/84

ST63E85, T85 ST63E87, T87

1 GENERAL DESCRIPTION

1.1 INTRODUCTION

The ST63E8x microcontrollers are members of the

8-bit HCMOS ST638x family, a series of devices

specially oriented to TV applications. Different

ROM size and peripheral configurations are avail-

able to give the maximum application and cost

flexibility. They are the EPROM/OTP versions of

the ST636x, 7x, 8x, ROM devices and are suitable

for product prototyping and low volume produc-

tion. All ST638x members are based on a building

block approach: a common core is surrounded by

a combination of on-chip peripherals (macrocells)

available from a standard library. These peripher-

als 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 programma-

ble prescaler (Timer), a digital hardware activated

watchdog function (DHWD), a 14-bit voltage syn-

thesis tuning peripheral, a Serial Peripheral Inter-

face (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 char-

acters). In addition the following memory resourc-

es are available: program EPROM (up to 20K),

data RAM (256 bytes), EEPROM (384 bytes). Re-

fer to pin configurations figures and to ST638x de-

vice summary (Table 1) for the definition of

ST638x family members and a summary of differ-

ences among the different types.

Table 1. Device Summary

Device

EPROM

(Bytes)

OTP

(Bytes)

RAM

(Bytes)

EEPROM

(Bytes)

AFC

D/A

Colour

Pins

Target R0M

Devices

ST63E85

20K

256

384

Yes

ST6365, 75, 85

ST63T85

20K

256

384

Yes

ST6365, 75, 85

ST63E87

20K

256

384

Yes

ST6367, 77 87

ST63T87

20K

256

384

Yes

ST6367, 77 87

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