1pcs Atmel AT89C5131A-S3SUM Microcontroller IC MCU 8BIT 32KB 48MHz FLASH 80C51 52PLCC

Core Processor 80C51
Core Size 8-Bit
Speed 48MHz
Connectivity I²C, SPI, UART/USART, USB
Peripherals LED, POR, PWM, WDT
Number of I/O 34
Program Memory Size 32KB (32K x 8)
Program Memory Type FLASH
EEPROM Size 4K x 8
RAM Size 1.25K x 8
Voltage - Supply (Vcc/Vdd) 2.7V ~ 5.5V
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Case 52-LCC (J-Lead)