ST62T45B STMicroelectronics, ST62T45B Datasheet - Page 69

• Manufacturer Part Number: ST62T45B
• Description: 8-BIT OTP/EPROM MCU
• Manufacturer: STMicroelectronics

www.DataSheet4U.com
DEVICE SUMMARY
March 1998
– Input with pull-up resistor
– Input without pull-up resistor
– Input with interrupt generation
– Open-drain or push-pull output
– Analog Input
– LCD segments (8 combiport lines)
3.0 to 6.0V Supply Operating Range
8 MHz Maximum Clock Frequency
-40 to +85 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: 128 bytes
Data EEPROM: 128 bytes
User Programmable Options
19 I/O pins, fully programmable as:
4 I/O lines can sink up to 20mA to drive LEDs or
TRIACs directly
Two
programmable prescaler
Digital Watchdog
8-bit A/D Converter with 7 analog inputs
8-bit Synchronous Peripheral Interface (SPI)
LCD driver with 24 segment outputs, 4
backplane outputs and selectable multiplexing
ratio.
32kHz oscillator for stand-by LCD operation
On-chip Clock oscillator can be driven by Quartz
Crystal or Ceramic resonator
One external Non-Maskable Interrupt
ST6245-EMU2 Emulation and Development
System (connects to an MS-DOS PC via a
parallel port).
ST6245B
DEVICE
R
8-bit
Timer/Counter
(Bytes)
ROM
3884
with
I/O Pins
11 to 19
8-BIT ROM MCU WITH LCD DRIVER,
7-bit
EEPROM AND A/D CONVERTER
PQFP52
ST6245B
Rev. 2.3
69/72
1