Holychip HC89F0421
HC89F0431/0421 is an enhanced 8 bit microcontroller with high frequency and low power consumption CMOS process. When user use ADC module, no matter what the reference voltage is selected, the system voltage VDD must above 2.7V.| Part No. | HC89F0421 |
|---|---|
| Datasheet | HC89F0421 Download |
| Manufacturer | Holychip |
| Description | FLASH Microcontroller |
| Buy | Stock & Price |
DESCRIPTION
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. 1.1FEATURES
● 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％) 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 mo...
