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RAM: 768x8
ROM: 512x8
Core: 8051
FLASH: 4KB（4Kx8）
Speed: 20MHz
I/O port: 30
Interface: SPI/UART/USART
Peripherals: Brown-out Detect/Reset/POR/PWM/WDT
Mounting Type: Surface Mount
Number of bits: 8bit
Oscillator Type: 内蔵
Operating Voltage: 2.4 to 5.5V
Program Memory Size: 4kB(4Kx8)
Program Memory Type: Flash
Power-supply voltage: 2.5|3.3|5V
Operating temperature range: -40 to 85C
