NEC 78K0 User Manual page 309

CHAPTER 14 SERIAL INTERFACE CSI10
Figure 14-6. Timing of Clock/Data Phase
(a) Type 1; CKP10 = 0, DAP10 = 0
SCK10
SI10 capture
SO10
Writing to SOTB10 or
reading from SIO10
CSIIF10
CSOT10
(b) Type 2; CKP10 = 0, DAP10 = 1
SCK10
SI10 capture
SO10
Writing to SOTB10 or
reading from SIO10
CSIIF10
CSOT10
(c) Type 3; CKP10 = 1, DAP10 = 0
SCK10
SI10 capture
SO10
Writing to SOTB10 or
reading from SIO10
CSIIF10
CSOT10
(d) Type 4; CKP10 = 1, DAP10 = 1
SCK10
SI10 capture
SO10
Writing to SOTB10 or
reading from SIO10
CSIIF10
CSOT10
D7 D6 D5 D4
D7 D6 D5 D4
D7 D6 D5 D4
D7 D6 D5 D4
User's Manual U16227EJ2V0UD
D3 D2 D1 D0
D3 D2 D1 D0
D3 D2 D1 D0
D3 D2 D1 D0
309