Product Descriptions

HC89F0431/0421 is an enhanced 8 bit microcontroller with high frequency and low power consumption CMOS process. 16K bytes flash program memory, 256 bytes IRAM and 256 bytes XRAM, 18 bi-directional I/O, five 16-bit Timer/counters, 3 groups 12 bits complementary PWM with dead-time control, one 8bits PWM, 2 UART, 1 SPI, 16 external interrupts, 8+2 channels 12 bits ADC, 4 system work modes (normal, low frequency, power-down, idle) and 16 interrupt sources.

Product Features

 CPU

 Enhanced 1T 8051 core

 ROM

 16K bytes flash

 Support IAP and ICP operation

 Flexible code protection mode

 RAM

 256 bytes IRAM

 256 bytes XRAM

 Clock

 Internal high precision (±1 percent) 32MHz RC

 Internal 44 KHz RC

 External high frequency oscillator 4MHz-24MHz

 External low frequency oscillator 32.768KHz

 Multiple clock output

 RESET

 Power on reset (POR)

 Multistep low voltage reset (BOR) 4.2/3.9/3.6/3.0/2.6/2.4/2.0/1.8V

 Watchdog Timer reset

 Software reset

 Stack overflow reset

 External pin low voltage reset

 External pin voltage (1.2V) detection reset

 I/O

 18 bi-directional IO

 Multiple modes configurable: input,pull-up input, pull-down input, Schmitt input, analog input, strong push pull output, open drain output, open drain output with pull-up,

 Peripheral function Ports total mapping module

Specifications

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Official Certificate&Certificate

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