FEATURES

• Internal high-capacity ROM and RAM

• External memory expansion space : 64 Kbytes

• Minimum instruction execution time can be varied from high-speed (0.4 ms) to ultra-low-speed (122 ms)

• I/O ports : 69 (N-ch open-drain : 4)

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

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

• Serial interface : 3 channels (I2C bus mode : 1 channel)

• Timer : 5 channels

• Supply voltage : VDD = 2.0 to 6.0 V