upd70f3422gj-gae-qs-ax Renesas Electronics Corporation., upd70f3422gj-gae-qs-ax Datasheet - Page 637

• Manufacturer Part Number: upd70f3422gj-gae-qs-ax
• Description: 32-bit Single-chip Microcontroller
• Manufacturer: Renesas Electronics Corporation.

I
2
C Bus (IIC)
WRELn
INTIICn
WRELn
INTIICn
ACKDn
ACKEn
MSTSn
ACKDn
ACKEn
MSTSn
WTIMn
WTIMn
Processing by master device
SDA0n
Transfer lines
SCL0n
Processing by slave device
STDn
SPDn
TRCn
STDn
SPDn
TRCn
SPTn
SPTn
STTn
STTn
IICn
IICn
Figure 18-24
H
H
H
L
L
L
Note
IICn
Example of slave to master communication
(when 9-clock wait is selected for both master and slave) (3/3)
(c) stop condition
To cancel master wait, write FFH to IICn or set WRELn.
Preliminary User’s Manual U17566EE1V2UM00
D7D6D5D4D3D2D1D0AD5
←
1
IICn
data
Note
←
2
FFH Note
3
4
5
6
7
8
9
N- ACK
2
Stop
condition
(When SPIEn = 1)
(When SPIEn = 1)
Start
condition
IICn
AD6
1
←
Chapter 18
address
637