CHAPTER 16 SERIAL INTERFACES CSI10 AND CSI11
Preliminary User’s Manual U17260EJ3V1UD
400
Figure 16-10. Timing of Clock/Data Phase
(a) Type 1: CKP1n = 0, DAP1n = 0, DIR1n = 0
D7
D6
D5
D4
D3
D2
D1
D0
SCK1n
SO1n
Writing to SOTB1n or
reading from SIO1n
SI1n capture
CSIIF1n
CSOT1n
(b) Type 2: CKP1n = 0, DAP1n = 1, DIR1n = 0
D7
D6
D5
D4
D3
D2
D1
D0
SCK1n
SO1n
Writing to SOTB1n or
reading from SIO1n
SI1n capture
CSIIF1n
CSOT1n
(c) Type 3: CKP1n = 1, DAP1n = 0, DIR1n = 0
D7
D6
D5
D4
D3
D2
D1
D0
SCK1n
SO1n
Writing to SOTB1n or
reading from SIO1n
SI1n capture
CSIIF1n
CSOT1n
(d) Type 4: CKP1n = 1, DAP1n = 1, DIR1n = 0
D7
D6
D5
D4
D3
D2
D1
D0
SCK1n
SO1n
Writing to SOTB1n or
reading from SIO1n
SI1n capture
CSIIF1n
CSOT1n
Remarks 1.
n = 0:
µ
PD78F0531, 78F0532, 78F0533
n = 0, 1:
µ
PD78F0534, 78F0535, 78F0536, 78F0537, 78F0537D
2.
The above figure illustrates a communication operation where data is transmitted with the MSB first.