ST62T85B/E85B
8-BIT OTP/EPROM MCU WITH LCD DRIVER,
EEPROM AND A/D CONVERTER
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3.0 to 6.0V Supply Operating Range
8 MHz Maximum Clock Frequency
-40 to +85擄C Operating Temperature Range
Run, Wait and Stop Modes
5 Interrupt Vectors
Look-up Table capability in Program Memory
Data Storage in Program Memory:
User selectable size
Data RAM: 192 bytes
Data EEPROM: 128 bytes
User Programmable Options
12 I/O pins, fully programmable as:
鈥?Input with pull-up resistor
鈥?Input without pull-up resistor
鈥?Input with interrupt generation
鈥?Open-drain or push-pull output
鈥?Analog Input
4 I/O lines can sink up to 20mA to drive LEDs or
TRIACs directly
One
8-bit
Timer/Counter
with
7-bit
programmable prescaler
One 8-bit Autoreload Timer/Counter with 7-bit
programmable prescaler and output compare
Digital Watchdog
8-bit A/D Converter with 8 analog inputs
8-bit Synchronous Peripheral Interface (SPI)
8-bit Asynchronous Peripheral Interface (UART)
LCD driver with 40 segment outputs, 8
backplane outputs, 8 software selectable
segment/backplane outputs and selectable
multiplexing ratio.
On-chip Clock oscillator can be driven by Quartz
Crystal or Ceramic resonator
One external Non-Maskable Interrupt
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)
EPROM EEPROM
(Bytes)
(Bytes)
-
7948
128
128
7948
LCD
display
8 x 48
or 16 x 40
8 x 48
or 16 x 40
Rev. 2.6
July 2001
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