Part No. VDD System Clock RAM ROM PWM Timers I/0 SPI UART IRC EEPROM PIN OUT PACKAGE
M89I01A 2.2-5.5V 4MHz 48*8BIT 1K*14BIT N 8BIT*1 12 N N Y N 14PIN SOP8/14
M83I01A 2.4-5.5V 16MHz 48*8BIT 1K*16BIT Y*1 8BIT*1 12 N N Y N 14PIN SOP8\14
M83I01B 2.4-5.5V 16MHz 48*8BIT 1K*16BIT Y*1 8BIT*1 16 N N Y N 18PIN SOP18\20
M82I01A 2.3-5.5V 4MHz,8MHz,1MHz,455KHz 49*8BIT 1K*13BIT N 8BIT*1 12 N N Y N 14PIN SOP8\14