CHAPTER 12 SERIAL INTERFACE 20
Figure 12-11. 3-Wire Serial I/O Mode Timing (6/7)
(x) Master operation (when DAP20 = 1, CKP20 = 1, SSE20 = 0)
SIO20
write
SCK20
SO20
1
2
3
4
5
6
7
8
Note
DO7
DO6
DO5
DO4
DO3
DO2
DO1
DO0
DI7
DI6
DI5
DI4
DI3
DI2
DI1
DI0
SI20
INTCSI20
Note The value of the last bit previously output is output.
(xi) Slave operation (when DAP20 = 1, CKP20 = 1, SSE20 = 0)
SIO20
write
SCK20
SI20
1
2
3
4
5
6
7
8
DI7
DI6
DI5
DI4
DI3
DI2
DI1
DI0
Note
DO7
DO6
DO5
DO4
DO3
DO2
DO1
DO0
SO20
INTCSI20
Note The value of the last bit previously output is output.
User’s Manual U15075EJ1V0UM00
245
NEC [ NEC ]
