Datasheet

Section 21 I
2
C Bus Interface 2 (IIC2)
Page 730 of 982 REJ09B0465-0300 Rev. 3.00
Sep 17, 2010
H8S/20103, H8S/20203, H8S/20223, H8S/20115, H8S/20215, H8S/20235 Group
SCL
ICCR1
Transfer clock
generation
circuit
Address
comparator
Interrupt
generator
Interrupt request
Bus state
decision circuit
Arbitration
decision circuit
Noise canceler
Noise canceler
Output
control
Output
control
Transmission/
reception
control circuit
ICCR2
ICMR
ICSR
ICIER
ICDRR
ICDRS
ICDRT
SAR
SDA
Internal data bus
Figure 21.1 Block Diagram of I
2
C Bus Interface 2