FEATURES

• Internal high capacity ROM and RAM

• External memory expansion space: 64 Kbytes

• Instruction execution time can be varied from

high-speed (0.5 ms) to ultra-low-speed (122 ms)

• I/O ports: 69 (N-ch open-drain: 4)

• IEBus controller

• Effective transmission rate: 3.9 kbps/17 kbps/ 26 kbps

• 8-bit resolution A/D converter: 8 channels

• 8-bit resolution D/A converter: 2 channels

• Serial interface: 3 channels

• 3-wire/SBI/2-wire mode: 1 channel

• 3-wire mode: 1 channel

• 3-wire/UART mode: 1 channel

• Timer: 5 channels

• Supply voltage: VDD = 2.7 to 5.5 V