General Description

The HT48CA0 is an 8-bit high performance RISC-like microcontroller specifically designed for multiple I/O product applications. The device is particularly suitable for use in products such as remote controllers, fan/light controllers, washing machine controllers, scales, toys and various subsystem controllers. A halt feature is included to reduce power consumption.

Features

• Operating voltage: 2.2V~3.6V

• Ten bidirectional I/O lines

• Six schmitt trigger input lines

• One carrier output (1/2 or 1/3 duty)

• On-chip crystal and RC oscillator

• Watchdog timer

• 1K×14 program ROM

• 32×8 data RAM

• Low voltage reset function

• Halt function and wake-up feature reduce power consumption

• 62 powerful instructions

• Up to 1µs instruction cycle with 4MHz system clock

• All instructions in 1 or 2 machine cycles

• 14-bit table read instructions

• One-level subroutine nesting

• Bit manipulation instructions