ST63140, ST63146
ST63126, ST63156
DATA SHEET
1
st
Edition
OCTOBER 1993
USE IN LIFE SUPPORT DEVICES OR SYSTEMS MUST BE EXPRESSLY AUTHORIZED.
SGS-THOMSON PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYS-
TEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF SGS-THOMSON Microelectronics.
As used herein :
1. Life support devices or systems are those which (a) are
intended for surgical implant into the body, or (b) support
or sustain life, and whose failure to perform, when prop-
erly used in accordance with instructions for use pro-
vided with the product, can be reasonably expected to
result in significant injury to the user.
2. A critical component is any component of a life support
device or system whose failure to perform can reason-
ably be expected to cause the failure of the life support
device or system, or to affect its safety or effectiveness.
ST631xx DATASHEET INDEX
Pages
ST63140, ST63142
ST63126, ST63156
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1
3
5
7
10
16
16
20
22
23
24
27
30
31
40
41
43
44
45
54
59
60
63
65
GENERAL DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PIN DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ST631xx CORE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MEMORY SPACES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
STACK SPACE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
INTERRUPT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RESET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
WAIT & STOP MODES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ON-CHIP CLOCK OSCILLATOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
INPUT/OUTPUT PORTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TIMERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HARDWARE ACTIVATED DIGITAL WATCHDOG FUNCTION . . . . . . . . . . . . . . . . . . .
SERIAL PERIPHERAL INTERFACE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14-BIT VOLTAGE SYNTHESIS TUNING
PERIPHERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-BIT PWM D/A CONVERTER AND 62.5 kHz OUTPUT FUNCTION . . . . . . . . . . . . . . . .
AFC A/D INPUT, KEYBOARD INPUTS
AND BANDSWITH OUTPUTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
INFRARED INPUT (IRIN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ON-SCREEN DISPLAY (OSD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SOFTWARE DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ABSOLUTE MAXIMUM RATINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
EEPROM INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PACKAGE MECHANICAL DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ORDERING INFORMATION TABLE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ST63E140/T140, E142/T142
ST63E126/T126, E156/T156
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . .
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67
69
71
74
75
76
79
82
GENERAL DESCRIPTION . . . . . . . . . . . . . . . . . . . . .
PIN DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . .
EPROM/OTP DESCRIPTION. . . . . . . . . . . . . . . . . . . .
ABSOLUTE MAXIMUM RATINGS . . . . . . . . . . . . . . . . .
EEPROM INFORMATION . . . . . . . . . . . . . . . . . . . . .
PACKAGE MECHANICAL DATA . . . . . . . . . . . . . . . . .
ORDERING INFORMATION TABLE . . . . . . . . . . . . . . . .
®
®
®
ST63140, ST63142
ST63126, ST63156
8-BIT HCMOS MCUs FOR
TV FREQUENCY & VOLTAGE SYNTHESIS WITH OSD
PRELIMINARY DATA
4.5 to 6V operating Range
8MHz Maximum Clock Frequency
User Program ROM: 7948 bytes
Reserved Test ROM: 244 bytes
Data ROM:
user selectable size
Data RAM:
256 bytes
Data EEPROM:
128 bytes
40-Pin Dual in Line Plastic Package for the
ST63126, 156
28-Pin Dual in Line Plastic Package for the
ST63140, 142
Up to 18 software programmable general pur-
pose Inputs/Outputs, including 8 direct LED
driving Outputs
3 Inputs for keyboard scan (KBY0-2)
Up to 4 high voltage outputs (BSW0-3)
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
2
C BUS and standard serial protocols
Up to Four 6-bit PWM D/A Converters
62.5kHz Output pin
14 bit counter for voltage synthesis tuning
(ST63156, ST63140)
AFC A/D converter with 0.5V resolution
Four interrupt vectors (IRIN/NMI, Timer 1 & 2,
VSYNC.)
On-chip clock oscillator
5 Lines by 15 Characters On-Screen Display
Generator with 128 Characters (2 banks)
All ROM types are supported by pin-to-pin
EPROM and OTP versions.
The development tool of the ST631xx microcon-
trollers consists of the ST63TVS-EMUemulation
and development system to be connected via a
standard RS232 serial line to an MS-DOS Per-
sonal Computer.
1
PDIP40
1
PDIP28
(Ordering Information at the end of the datasheet)
DEVICE SUMMARY
DEVICE
ROM
(Bytes)
8K
8K
8K
8K
TUN.
I/O Pins
Package
ST63126
ST63156
ST63140
ST63142
FS
VS
VS
FS
12
11
6
6
PDIP40
PDIP40
PDIP28
PDIP28
October 1993
This is Preliminary information from SGS-THOMSON. Details are subject to change without notice.
1/82
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