ST62E46B Datasheet | STMicroelectronics

ST62T46B/E46B 8-BIT OTP/EPROM MCU WITH LCD DRIVER, EEPROM AND A/D CONVERTER 3.0 to 6.0V Supply Operating Range 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: 128 bytes s Data EEPROM: 128 bytes s User Programmable Options s 20 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 - LCD segments (8 biport lines) s 4 I/O lines can sink up to 20m A to drive LEDs or TRIACs directly s Two 8-bit Timer/Counter with 7-bit programmable prescaler s Digital Watchdog s 8-bit A/D Converter with 8 analog inputs s 8-bit Synchronous Peripheral Interface (SPI) s LCD driver with 27 segment outputs, 4 backplane outputs and selectable multiplexing ratio. s 32k Hz oscillator for stand-by LCD operation s Power Supply Supervisor (PSS) s On-chip Clock oscillator can be driven by Quartz Crystal or Ceramic resonator s One external Non-Maskable Interrupt s ST6240-EMU2 Emulation and Development System (connects to an MS-DOS PC via a parallel port). s s PSDIP56 CSDIP56W (See end of Datasheet for Ordering Information) DEVICE SUMMARY DEVICE ST62T46B ST62E46B OTP (Bytes) EPROM (Bytes) 3884 I/O Pins 12 to 20 12 to 20 Rev. 2.5 September 1998 1/72 Table of Contents Document Page ST62T46B/E46B - - - - - - - . .1 1 GENERAL DESCRIPTION - - - - -...