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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