General Description

The HT48R10A-1/HT48C10-1 are 8-bit high performance, RISC architecture microcontroller devices specifically designed for multiple I/O control product applications. The mask version HT48C10-1 is fully pin and functionally compatible with the OTP version HT48R10A-1 device.

Features

• Operating voltage:

fSYS=4MHz: 2.2V~5.5V

fSYS=8MHz: 3.3V~5.5V

• Low voltage reset function

• 21 bidirectional I/O lines (max.)

• 1 interrupt input shared with an I/O line

• 8-bit programmable timer/event counter with overflow interrupt and 8-stage prescaler

• On-chip external crystal, RC oscillator and internal RC oscillator

• 32768Hz crystal oscillator for timing purposes only

• Watchdog Timer

• 102414 program memory ROM

• 648 data memory RAM

• Buzzer driving pair and PFD supported

• HALT function and wake-up feature reduce power consumption

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

• All instructions in one or two machine cycles

• 14-bit table read instruction

• 4-level subroutine nesting

• Bit manipulation instruction

• 63 powerful instructions

• 24-pin SKDIP/SOP package