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General Description

The HT46R63/HT46C63 are 8-bit, high performance, RISC architecture microcontroller devices specifically designed for A/D product applications that interface directly to analog signals and which require LCD Interface. The mask version HT46C63 is fully pin and functionally compatible with the OTP version HT46R63 device.

Features

? Operating voltage:

fSYS=4MHz: 2.2V~5.5V

fSYS=8MHz: 3.3V~5.5V

? Operating frequency: External RC or Crystal

? 32.768kHz crystal oscillator used for timing purposes

? Watchdog enable or disable function

? 1x16 bits timer with an overflow interrupt (TMR)

? Time base generator (clock source: 32.768kHz) and RTC interrupts

? 4K15 program memory

? 2088 data memory RAM

? Maximum of 32 I/O lines (shared with INT0, INT1, TMR, AN0~AN7, PWM0~PWM3)

? 8-level stack

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

? 2 external interrupts (high/low going trigger)

? One comparator

? LCD: 203 or 194, 1/3 bias with 12 pins logical outputs options. (select by options in unit of 4 pins, 8 high sink)

? Built-in R type bias generator

? 8 channels 8-bits resolution A/D converter

? 4 channels PWM outputs

? 56-pin SSOP, 100-pin QFP package