Chapter Organization: This manual divides the descriptions for the µPD78070A and 78070AY into different
chapters as shown below. Read only the chapters related to the device you use.
Chapter
µPD78070A µPD78070AY
Chapter 1
Chapter 2
Chapter 3
Chapter 4
Chapter 5
Chapter 6
Chapter 7
Chapter 8
Chapter 9
Outline (µPD78070A)
Outline (µPD78070AY)
Pin Function (µPD78070A)
Pin Function (µPD78070AY)
CPU Architecture
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Port Functions
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Clock Generator
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16-bit Timer/Event Counter
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8-bit Timer/Event Counters 1 and 2
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Chapter 10 8-bit Timer/Event Counters 5 and 6
Chapter 11 Watch Timer
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Chapter 12 Watchdog Timer
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Chapter 13 Clock Output Control Circuit
Chapter 14 Buzzer Output Control Circuit
Chapter 15 A/D Converter
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Chapter 16 D/A Converter
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Chapter 17 Serial Interface Channel 0 (µPD78070A)
Chapter 18 Serial Interface Channel 0 (µPD78070AY)
Chapter 19 Serial Interface Channel 1
Chapter 20 Serial Interface Channel 2
Chapter 21 Real-time Output Port
Chapter 22 Interrupt and Test Functions
Chapter 23 External Device Expansion Function
Chapter 24 Standby Function
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Chapter 25 Reset Function
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Chapter 26 Instruction Set
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Differences between µPD78070A and µPD78070AY
The µPD78070A and µPD78070AY are different in the following functions of the serial interface
channel 0.
Mode of Serial Interface Channel 0
3-wire serial I/O mode
µPD78070A µPD78070AY
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2-wire serial I/O mode
SBI (serial bus interface) mode
I2C (Inter IC) bus mode
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ETC [ ETC ]
