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R28 Datasheet(PDF) 321 Page - Renesas Technology Corp

Part # R28
Description  RENESAS 16-BIT SINGLE-CHIP MCU R8C FAMILY / R8C/2x SERIES
PDF  473 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

R28 Datasheet(HTML) 321 Page - Renesas Technology Corp

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R8C/28 Group, R8C/29 Group
16. Clock Synchronous Serial Interface
Rev.2.10
Sep 26, 2008
Page 302 of 441
REJ09B0279-0210
Figure 16.38
Operating Timing in Slave Receive Mode (I2C bus Interface Mode) (1)
Figure 16.39
Operating Timing in Slave Receive Mode (I2C bus Interface Mode) (2)
SDA
(master output)
SCL
(master output)
1
8
96
7
45
3
b7
b6
b5
b4
b3
b2
b1
b0
b7
12
SDA
(slave output)
ICDRR register
ICDRS register
Data 1
Processing
by program
A
(2) Dummy read of ICDRR register
Data 1
9
RDRF bit in
ICSR register
1
0
A
(2) Read ICDRR register
SCL
(slave output)
Data 2
SDA
(master output)
SCL
(master output)
8
96
7
45
3
b7
b6
b5
b4
b3
b2
b1
b0
12
SDA
(slave output)
ICDRR register
ICDRS register
Data 1
Processing
by program
A
(3) Read ICDRR register
Data 1
9
RDRF bit in
ICSR register
1
0
A
(4) Read ICDRR register
SCL
(slave output)
Data 2
(3) Set ACKBT bit to 1



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