r5f21346mnfp Renesas Electronics Corporation., r5f21346mnfp Datasheet - Page 577

• Manufacturer Part Number: r5f21346mnfp
• Description: Single-chip Mcus Incorporates The R8c Cpu Core
• Manufacturer: Renesas Electronics Corporation.

R8C/34M Group
R01UH0131EJ0100 Rev.1.00
Jun 21, 2011
Figure 26.5
Figure 26.6
Program processing (2) Instruction for
Program processing
(master output)
(master output)
ICDRS register
ICDRT register
(slave output)
ICSR register
ICSR register
(master output)
(master output)
ICDRS register
ICDRT register
TDRE bit in
TEND bit in
(slave output)
ICSR register
ICSR register
TDRE bit in
TEND bit in
SDA
SDA
Operating Timing in Master Transmit Mode (I
Operating Timing in Master Transmit Mode (I
SCL
SDA
SDA
SCL
(3) Write data to ICDRT register.
start condition
generation
9
A
b7
1
b7
1
b6
(3) Write data to ICDRT register
2
(1st byte).
b6
2
b5
3
b5
Slave address
Address + R/W
3
b4
4
b4
Address + R/W
4
b3
Data n
5
Data n
b3
5
b2
(4) Write data to ICDRT register
6
(2nd byte).
b2
6
b1
2
2
7
C bus Interface Mode) (1)
C bus Interface Mode) (2)
b1
7
b0
R/W
8
(6) Generate a stop condition
b0
and set TEND bit to 0.
8
A
9
(5) Write data to ICDRT register
A/A
9
(3rd byte).
(7) Set to slave receive mode.
Data 1
Data 1
b7
26. I
1
Data 2
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2
b6
2
C bus Interface