p2125vps20 Renesas Electronics Corporation., p2125vps20 Datasheet - Page 453

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

User processing
(master output)
(master output)
(slave output)
ICDRS
ICDRR
ICDRF
SDA
SDA
IRIC
SCL
(master output)
(master output)
Data n-2
(slave output)
User processing
SDA
ICDRF
ICDRS
ICDRR
SDA
SCL
IRIC
Bit 0
Data n-2
8
Start condition issuance
Figure 16.21 Example of Slave Receive Mode Operation Timing (1)
Figure 16.22 Example of Slave Receive Mode Operation Timing (2)
[11]
A
9
Bit 7
[13] IRIC clear
1
Bit 6 Bit 5 Bit 4 Bit 3 Bit 2
2
[9] Wait for one frame
3
Data n-2
Data n-1
4
Bit 7
1
(MLS = ACKB = 0, HNDS = 0)
(MLS = ACKB = 0, HNDS = 0)
5
Bit 6
2
6
Bit 1 Bit 0
Bit 5
3
7
Slave address
Address+R/W
8
Bit 4
[9] Set ACKB = 1
Data n-1
4
[11]
9
A
Bit 3
[10] ICDR read
5
[13] IRIC clear
(Data n-2)
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Bit 2
1
6
2
Bit 1 Bit 0
7
Rev. 1.00 Sep. 21, 2006 Page 415 of 658
3
[10] ICDR read
R/W
8
(Data n-1)
4
Data n-1
Data n
9
5
Section 16 I
[6]
A
Address+R/W
6
[7]
Bit 7
1
[8] IRIC clear
7
Data 1
Data 1
Bit 6
2
[13] IRIC clear
8
[10] ICDR read
2
C Bus Interface (IIC)
Bit 5
3
[11]
REJ09B0310-0100
9
A
[14] ICDR read
Bit 4
4
(Data n)
Stop condition
Data n
Data n
[15] IRIC clear
detection
[11]