ATW AT8PS53
EPROM/ROM-Based 8-Bit Microcontroller
FEATURES
● Only 42 single word instructions● All instructions are single cycle except for program branches which are two-cycle
● 13-bit wide instructions
● All ROM/EPROM area GOTO instruction
● All ROM/EPROM area subroutine CALL instruction
● 8-bit wide data path
● 5-level deep hardware stack
● Operating speed: DC-20 MHz clock input DC-100 ns instruction cycle Device Pins # I/O # EPROM/ROM (Byte) RAM (Byte) AT8PS53/53E 14 12 1K 49
● Direct, indirect addressing modes for data accessing
● 8-bit real time clock/counter (Timer0) with 8-bit programmable prescaler
● Internal Power-on Reset (POR)
● Built-in Low Voltage Detector (LVD) for Brown-out Reset (BOR)
● Power-up Reset Timer (PWRT) and Oscillator Start-up Timer(OST)
● On chip Watchdog Timer (WDT) with in