p2125vps20 Renesas Electronics Corporation., p2125vps20 Datasheet - Page 456

• Manufacturer Part Number: p2125vps20
• Description: 16-bit Single-chip Microcomputer H8s Family / H8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Section 16 I
10. When the stop condition is detected, that is, when SDA is changed from low to high when SCL
Rev. 1.00 Sep. 21, 2006 Page 418 of 658
REJ09B0310-0100
(master output)
(master output)
(slave output)
User processing
Slave receive mode
is high, the BBSY flag in ICCR is cleared to 0 and the STOP flag in ICSR is set to 1. When the
STOPIM bit in ICXR is 0, the IRIC flag is set to 1. If the IRIC flag has been set, it is cleared to
0.
ICDRE
SDA
SDA
SCL
ICDR
IRIC
2
C Bus Interface (IIC)
R/W
Figure 16.24 Example of Slave Transmit Mode Operation Timing
8
A
9
[2]
[3] IRIC clear
[3] ICDR write
Bit 7
[3] IRIC clear
1
Bit 6
2
(MLS = 0)
Bit 5
3
Bit 4
Data 1
4
Data 1
Bit 3
5
Slave transmit mode
Bit 2
6
Bit 1
7
Bit 0
8
[5] ICDR write
9
A
[4]
Data 2
Bit 7
[5] IRIC clear
1
Data 2
Bit 6
2