Specification
Core Processor 8051
Core Size 8-Bit
Speed 20MHz
Connectivity I²C, SPI, UART/USART
RAM Size 38
Number of I/O 32KB (32K x 8)
Program Memory Size FLASH
Program Memory Type 8K x 8
EEPROM Size 4.25K x 8
Voltage - Supply (Vcc/Vdd) 2.4 V ~ 3.6 V
Data Converters A/D 8x10b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C
Package / Case 44-TQFP