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℃