General Description

The HT48C10/48C30/48C50/48C70 are 8-bit high performance RISC-like microcontrollers, specifically designed for multiple I/O product applications. These devices are suitable for use in products such as remote controllers, fan/light controllers, washing machine controllers, scales, toys, and various subsystem controllers.

Features

• Operating voltage: 2.4V~5.2V

• Bidirectional I/O lines with a selection of 18, 22, 32 and 56 lines

• One interrupt input

• Programmable timer/event counters with overflow interrupts and a selection of one 8-bit counter, one 8-bit and one 16-bit counters, or two 16-bit counters

• On-chip crystal and RC oscillator

• Watchdog timer

• Program ROM with size selection of 1K×14, 2K×14, 4K×15 and 8K×16 bits

• Data RAM with size selection of 64×8, 96×8, 160×8 and 224×8 bits

• Halt function and wake-up feature to reduce power consumption

• 63 powerful instructions

• Up to 0.5µs instruction cycle with 8MHz system clock at VDD=5V

• All instructions in 1 or 2 machine cycles

• 14-bit/15-bit/16-bit table read instructions

• 2-level/4-level/8-level subroutine nesting

• Bit manipulation instructions