ST62E85B Datasheet PDF - STMicroelectronics
| Part Number | ST62E85B | |
| Description | 8-BIT OTP/EPROM MCU | |
| Manufacturers | STMicroelectronics | |
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ST62T85B/E85B
8-BIT OTP/EPROM MCU WITH LCD DRIVER,
EEPROM AND A/D CONVERTER
s 3.0 to 6.0V Supply Operating Range
s 8 MHz Maximum Clock Frequency
www.DataSheet4Us.co-m40 to +85°C Operating Temperature Range
s Run, Wait and Stop Modes
s 5 Interrupt Vectors
s Look-up Table capability in Program Memory
s Data Storage in Program Memory:
User selectable size
s Data RAM: 192 bytes
s Data EEPROM: 128 bytes
s User Programmable Options
s 12 I/O pins, fully programmable as:
– Input with pull-up resistor
– Input without pull-up resistor
– Input with interrupt generation
– Open-drain or push-pull output
– Analog Input
s 4 I/O lines can sink up to 20mA to drive LEDs or
TRIACs directly
s One 8-bit Timer/Counter with 7-bit
programmable prescaler
s One 8-bit Autoreload Timer/Counter with 7-bit
programmable prescaler and output compare
s Digital Watchdog
s 8-bit A/D Converter with 8 analog inputs
s 8-bit Synchronous Peripheral Interface (SPI)
s 8-bit Asynchronous Peripheral Interface (UART)
s LCD driver with 40 segment outputs, 8
backplane outputs, 8 software selectable
segment/backplane outputs and selectable
multiplexing ratio.
s On-chip Clock oscillator can be driven by Quartz
Crystal or Ceramic resonator
s One external Non-Maskable Interrupt
s ST6285-EMU2 Emulation and Development
System (connects to an MS-DOS PC via a
parallel port).
PQFP80
CQFP80W
(See end of Datasheet for Ordering Information)
DEVICE SUMMARY
DEVICE
ST62T85B
ST62E85B
OTP
(Bytes)
7948
EPROM
(Bytes)
-
7948
LCD display
8 x48 or 16 x 40
8 x48 or 16 x 40
August 1999
Rev. 2.5
1/76
1
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ST62T85B/E85B
1 GENERAL DESCRIPTION
1.1 INTRODUCTION
The ST62T85B and ST62E85B devices are low
cost members of the ST62xx 8-bit HCMOS family
of microcontrollers, which is targeted at low to me-
dium complexity applications. All ST62xx devices
are based on a building block approach: a com-
www.DataSheet4U.com
Figure 1. Block Diagram
mon core is surrounded by a number of on-chip
peripherals.
The ST62E85B is the erasable EPROM version of
the ST62T85B device, which may be used to em-
ulate the ST62T85B device, as well as the respec-
tive ST6285B ROM devices.
TE ST/VPP
NMI
TEST
8-BIT
A/D CONVERTER
INTERRUPT
PROGR AM
Memory
7948 bytes
DATA ROM
USE R
SELECTABLE
DATA RAM
192 Bytes
DATA EEPROM
128 Bytes
PC
STACK LEVEL 1
STACK LEVEL 2
STACK LEVEL 3
STACK LEVEL 4
STACK LEVEL 5
STACK LEVEL 6
8 BIT CORE
POWER OSCILLATOR RESET
SUPP LY
VDD VSS OSCin OSCout RESET
(VPP on EPROM/OTP versions only)
PORT A
PORT B
ARTIMER
UART
PORT C
LCD DRIVER
PA4 / TIMER / 20mA Sink
PA5 / Scl / 20mA Sink
PA6 / Sin / 20mA Sink
PA7 / Sout / 20mA Sink
PB0 / RXD / Ain
PB1 / TXD / Ain
PB2..PB3 / Ain
PC4..PC7 / Ain
COM1..COM8
S9..S24, S33..S56
COM9..COM16 / S1..S8
VLCD
VLCD1/5
VLCD2/5
VLCD3/5
VLCD4/5
TIMER
DIGITAL
W ATCHDOG
SPI (SERIAL
PERI PHERAL
INTE RFACE)
VA0479
5/76
5
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for ST62E85B electronic component. |
| Information | Total 30 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ ST62E85B.PDF Datasheet ] | |
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