4-bit CISC MCU, 5KB ROM, 32-Pin LQFP, 4.2MHz, 3.3V/5V
4-bit CISC MCU, 5KB ROM, 48-Pin PQFP, 4MHz, 2.5-5.5V, SMT
4-bit CISC MCU, 5KB ROM, 4MHz, 48-Pin PQFP, 2.5V/3.3V/5V
4-bit CISC MCU, 5KB ROM, 4MHz, 48-Pin PQFP, SMT
