Start condition issuance
SCL
(master output)
SDA
(master output)
SDA
(slave output)
IRIC
ICDRF
ICDRS
ICDRR
User processing
Figure 13.21 Example of Slave Receive Mode Operation Timing (1)
SCL
(master output)
8
9
1
SDA
Bit 0
Bit 7
Bit 6 Bit 5 Bit 4 Bit 3 Bit 2
(master output)
Data n-2
[11]
SDA
(slave output)
A
IRIC
ICDRF
ICDRS
Data n-2
ICDRR
User processing
[13] IRIC clear
Figure 13.22 Example of Slave Receive Mode Operation Timing (2)
1
2
3
Bit 7 Bit 6
Bit 5
Slave address
Address+R/W
(MLS = ACKB = 0, HNDS = 0)
2
3
4
5
6
7
8
Bit 1 Bit 0
Data n-1
Data n-2
[9] Wait for one frame
[9] Set ACKB = 1
(MLS = ACKB = 0, HNDS = 0)
4
5
6
7
Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
9
1
2
3
4
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
[11]
Data n
A
Data n-1
[13] IRIC clear
[10] ICDR read
[10] ICDR read
(Data n-1)
(Data n-2)
8
9
1
2
Bit 7 Bit 6 Bit 5 Bit 4
R/W
[6]
Data 1
A
Data 1
[7]
Address+R/W
[8] IRIC clear
[10] ICDR read
Start condition detection
5
6
7
8
9
[11]
A
Data n
Data n
Data n-1
[13] IRIC clear
[14] ICDR read
(Data n)
Rev. 1.00, 05/04, page 327 of 544
3
4
[11]
[15] IRIC clear