General Description

The HT49R10A-1 is an 8-bit, high performance, RISC architecture microcontroller devices specifically designed for a wide range of LCD applications. The mask version HT49C10-1 is fully pin and functionally compatible with the OTP version HT49R10A-1 device.

Features

• Operating voltage:

fSYS= 4MHz: 2.2V~5.5V

fSYS= 8MHz: 3.3V~5.5V

• 2 input lines

• 8 bidirectional I/O lines

• External interrupt input

• 8-bit programmable timer/event counter with PFD, programmable frequency divider, function

• LCD driver with 15x2, 15x3 or 14x4 segments

• 1Kx14 program memory

• 64x8 data memory RAM

• Real Time Clock - RTC

• RTC 8-bit prescaler

• Watchdog Timer

• Buzzer output

• On-chip crystal, RC and 32768Hz crystal oscillator

• Power-down and wake-up feature reduce power consumption

• 2-level subroutine nesting

• Bit manipulation instruction

• 14-bit table read instruction

• Up to 0.5μs instruction cycle with 8MHz system clock

• 63 powerful instructions

• All instructions executed in 1 or 2 machine cycles

• Low voltage reset/detector

• 44-pin QFP/LQFP package