ST62T85B Datasheet, PDF (1/76 Pages) STMicroelectronics – 8-BIT OTP/EPROM MCU WITH LCD DRIVER, EEPROM AND A/D CONVERTER

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
s -40 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
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