Datasheet

Section 18 I
2
C Bus Interface [Option]
(This function is not available in the H8S/2695)
R01UH0166EJ0600 Rev. 6.00 Page 839 of 1434
Mar 02, 2011
H8S/2633 Group, H8S/2633 F-ZTAT
TM
,
H8S/2633R F-ZTAT
TM
, H8S/2695
φ
PS
Noise
canceler
Noise
canceler
Clock
control
Bus state
decision
circuit
Arbitration
decision
circuit
Output data
control
circuit
Address
comparator
SAR, SARX
Interrupt
generator
ICDRS
ICDRR
ICDRT
ICSR
ICMR
ICCR
Internal data bus
Interrupt
request
SCL
SDA
Legend:
ICCR:
ICMR:
ICSR:
ICDR:
SAR:
SARX:
PS:
I
2
C bus control register
I
2
C bus mode register
I
2
C bus status register
I
2
C bus data register
Slave address register
Second slave address register X
Prescaler
Figure 18.1 Block Diagram of I
2
C Bus Interface