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.

特性 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