HD6432633 Datasheet, PDF (855/1453 Pages) Renesas Technology Corp – Series of Microcomputers (MCUs: microcomputer units)

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PS
SCL
Noise
canceler
SDA
Noise
canceler
Clock
control
Bus state
decision
circuit
Arbitration
decision
circuit
Output data
control
circuit
ICCR
ICMR
ICSR
ICDRT
ICDRS
ICDRR
Address
comparator
SAR, SARX
Legend:
ICCR: I²C bus control register
ICMR: I²C bus mode register
ICSR: I²C bus status register
ICDR: I²C bus data register
SAR: Slave address register
SARX: Second slave address register X
PS: Prescaler
Interrupt
generator
Figure 18-1 Block Diagram of I²C Bus Interface
Interrupt
request
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