HT99C810

HT99C810/HT99C811 Cordless Phone Controller Features Provide mask type or OTP type version Operating voltage: 2.4V~5.2V (mask type), 3.0V~5.2V (OTP type) 48 bidirectional I/O lines One interrupt input Two 16-bit programmable timer/event counter with overflow interrupt On-chip crystal and RC oscillator Watchdog timer 8K × 16 program memory ROM 224 × 8 data memory RAM Halt function and wake-up feature reduce power consumption 63 powerful instructions Up to 1µs instruction cycle with 4MHz system clock at VDD=5V All instructions in 1 or 2 machine cycles 16-bit table read instructions Eight-level subroutine nesting Bit manipulation instructions Built-in 8-bit D/A converter Applications Remote controllers Fan/light controllers Washing machine controllers Cordless phone controllers Scales Toys General Description The HT99C810 is an 8-bit high performance RISC-like microcontroller which combines HT48700 8-bit microcontroller and 8-bit D/A converter in one chip. It is specifically designed for multiple I/O product applications. It also provides OTP type version HT99C811 which supports designers in making fast evaluation of private products during development stages. The device is particularly suitable for use in products such as cordless phone controllers, µC dialers, feature phone controllers, remote controllers, fan/light controllers, washing machine controllers, scales, toys and various subsystem controllers. A halt feature is i...