BAT32G1x9 user manual | Chapter 19 Universal serial communication unit
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Rev.1.02
(3) Process flow (single send and receive mode).
Fig. 19-64: Timing diagram of Slave transmit and receive (single transmit and receive mode)
(type 1: DAPmn= 0, CKPmn = 0).
SCLKp pin
SDOp pin
INTSSPIp
shift register
mn
TSFmn
SDRmn
SEmn
STmn
SSmn
SDIp pin
transmit data1
transmit data 2
transmit data 3
data reception1
data reception2
data reception3
data reception1
data reception2
data reception3
Receiving&shift operation
Receiving&shift operation
Receiving&shift operation
transmit data1
transmit data 2
transmit data 3
data transmission and reception
data transmission and reception
data transmission and reception
Read
Write
Write
Read
Write
Read
Remark m: unit number (m=0
~
2) n: channel number (n=0
~
3) p: SSPI number (p=00, 01, 10, 11, 20, 21, 30, 31)
mn=00
~
03, 10
~
11, 20
~
21