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