• Fully compatible to standard 8051 microcontroller

• Up to 40 MHz operating frequency

• 16 K×8 ROM (C504-2R only, optional ROM protection)

• 256×8 RAM

• 256×8 XRAM

• Four 8-bit ports, (2 ports with mixed analog/digital I/O capability)

• Three 16-bit timers/counters (timer 2 with up/down counter feature)

• Capture/compare unit for PWM signal generation and signal capturing

- 3-channel, 16-bit capture/compare unit

- 1-channel, 10-bit compare unit

• Compare unit

• USART

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

• Twelve interrupt sources with two priority levels

• On-chip emulation support logic (Enhanced Hooks Technology TM)

• Programmable 15-bit Watchdog Timer

• Oscillator Watchdog

• Fast Power On Reset

• Power Saving Modes

• M-QFP-44 package

• Temperature ranges: SAB-C504 TA : 0 to 70°C

                                SAF-C504 TA : – 40 to 85°C

                             SAH-C504 TA : – 40 to 110°C (max. operating frequency.: TBD)

                            SAK-C504 TA : – 40 to 125°C (max. operating frequency.: 12 MHz)