Preliminary

- Fully compatible to standard 8051 mocrocontroller

- Versions for 12/20 MHz operting frequency

- 8k x 8 ROM (SAB-C503-1R only)

- 256 x 8 RAM

- For 8-bit ports, ( including one port for digital or analog input)

- Three 16-bit Timers / Counters ( Timer 2with Up/Down Counter feature)

- USART

- Genuine 10-bit A/D Converter with 8 multiplexed inputs

- Seven Interrupt sources, two priority levels

- Oscillator Watchdog

- Fast Power On Reset

- Power Saving Modes

- P-LCC-44 Package

- Temperature range : SAB-C503 Ta= 0℃ to 70℃

SAF-C503 ta= -40℃ to 85℃