
July 2001 1/86
Rev. 2.9
ST62T55C
S T 62 T 6 5C/E65C
8-BIT OTP/EPROM M CUs WITH A/D CONVERTER,
SAFE RESE T, AUTO-RELOAD T IM ER, EEPROM AND SPI
■ 3.0 to 6.0V Supply Operating Range
■ 8 MHz Maximum Clock Frequency
■ -40 to +125°C Operating Te mperature Rang e
■ 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 EEPR O M: 128 bytes (none on ST 62T 55C)
■ User Program mab le Options
■ 21 I/O pins, fully programmab le as:
– Input with pull-up resis tor
– Input without pull-up resistor
– Input with interrupt generation
– Open-drain or push- pull output
– Analog Input
■ 8 I/O lines can sink up to 30mA to drive LEDs or
TRIACs directly
■ 8-bit Timer/Counter with 7-bit programmable
prescaler
■ 8-bit Auto-reload Timer with 7-bit programmable
prescaler (AR Ti mer)
■ Digital Watchdog
■ Oscillator Safe Guard
■ Low Vol tage Detector for Safe Reset
■ 8-bit A/D Converter with 13 analog inputs
■ 8-bit Synchronous Peripheral Interface (SPI)
■ On-chip Clock oscillator can be driven by Quartz
Crystal Ceramic resonator or RC network
■ User configurabl e Power-on Reset
■ One ex ternal Non-Maskabl e Interrupt
■ ST626x-EMU2 Emulation and Development
System (connects to an MS-DOS PC via a
parallel port)
DEVICE SUMMARY
DEVICE
OTP
(Bytes)
EPROM
(Bytes)
EEPROM
ST62T55C 3884 - -
ST62T65C 3884 - 128
ST62E65C 3884 128
(See end of Datasheet for Ordering Information)
PDIP28
PS028
CDIP28W
SS0P28