BAT32G1x9 user manual | Chapter 19 Universal serial communication unit
723 / 1149
Rev.1.02
(2) Process flow
Figure 19-125 Timing diagram of data reception
(a) The case when you start receiving data
shift register mn
SDAr input
SDAr output
SCLr output
shift operation
virtual data(FFH)
receiving data
(b) The case of receiving the last data
shift register mn
SDAr input
SDAr output
SCLr output
virtual data(FFH)
receiving data
virtual data(FFH)
receiving data
allow serial
communication output
stop serial commnication output
shift operation
reception of last byte data
IIC stop operating
stop condition
Somn bit
operation
Somn bit
operation
CKOmn bit
operation
shift operation
Remark m: unit number(m=0~2)n:channel number(n=0~3)r:IIC number(r=00, 01, 10, 11, 20, 21, 30, 31)
mn=00
~
03, 10
~
11, 20
~
21