FEATURES

• Internal large-capacity RAM

• Internal high-speed RAM : 1024 bytes

• Internal buffer RAM: 32 bytes

• 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: 61 (N-ch open-drain : 8)

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

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

• Serial interface : 3 channels

• 3-wire serial I/O/2-wire serial I/O/I2C bus mode :

1 channel

• 3-wire serial I/O mode : 1 channel

• 3-wire serial I/O/UART mode : 1 channel

• Timer : 7 channels

• Power supply voltage : VDD = 2.7 to 5.5 V