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At a Glance
- Flash ROM (Byte): 64K
- RAM (Bytes): 3072
- CPU Clock(Hz): 128K ~ 24M
- Voltage (V): 2.7 ~ 5.5
The SinoWealth SH79F9421 is a 1T 8051 MCU with 64K Flash, 3072 bytes RAM, CPU clock 128K ~ 24M, 2.7 ~ 5.5 V supply, 18 I/O pins, SOP20 package.
Key Specifications
| Package | SOP20 |
| Others | 13 high-current drive ports, LCM, 4K EEPROM-Like, 1% internal RC accuracy |
| LVR | 3.1V/3.7V/4.1V |
| ISB | [MAX] 20uA VDD=5V |
| IOP | [TYP] 5mA@RC24MHz 25uA@RC128kHz (VDD=5.0V) |
| TEMP. | -40℃~+105℃ |
| WDT | Yes |
| PWM | 3 X 12bits |
| ADC | 12 X 12bits |
| IAP | Yes |
| EUART | 3 |
| Timer | 4 X 16bits |
| Interrupt Source | T2~5,EX2~4, ADC,EUART0~2, PWM0~2,LPD,CRC |
| I/O (Pin) | 18 |
| Voltage (V) | 2.7 ~ 5.5 |
| CPU Clock(Hz) | 128K ~ 24M |
| RAM (Bytes) | 3072 |
| Flash ROM (Byte) | 64K |
Common Questions
What package does the SH79F9421 use?
SOP20.
What is the operating voltage of the SH79F9421?
2.7 ~ 5.5.
Product family: SinoWealth official page
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