Timing In 3-Wire Serial I/O Mode - NEC 78K0 User Manual

(1) Transmission/reception timing (Type 1; TRMD1n = 1, DIR1n = 0, CKP1n = 0, DAP1n = 0, SSE11 = 1
Note
SSI11
SCK1n
Read/write trigger
SOTB1n
SIO1n
CSOT1n
INTCSI1n
CSIIF1n
SI1n (receive AAH)
SO1n
55H is written to SOTB1n.
Note The SSE11 flag and SSI11 pin are available only for serial interface CSI11, and are used in the slave
mode.
µ
Remark n = 0: PD780143, 780144
µ
n = 0, 1: PD780146, 780148, 78F0148
372
CHAPTER 16 SERIAL INTERFACES CSI10 AND CSI11
Figure 16-9. Timing in 3-Wire Serial I/O Mode (1/2)
55H (communication data)
ABH 56H
User's Manual U15947EJ2V0UD
ADH 5AH B5H
*
Note
)
6AH D5H AAH