UPD78F0138 NEC, UPD78F0138 Datasheet - Page 345

• Manufacturer Part Number: UPD78F0138
• Description: (UPD78xxxx) 8-Bit Single-Chip Microcontrollers
• Manufacturer: NEC

(1) Transmission/reception timing (Type 1; TRMD1n = 1, DIR1n = 0, CKP1n = 0, DAP1n = 0, SSE11 = 1
Remark n = 0:
Note The SSE11 flag and SSI11 pin are available only for serial interface CSI11, and are used in the slave
SI1n (receive AAH)
Read/write trigger
mode.
n = 0, 1:
55H is written to SOTB1n.
INTCSI1n
SSI11
SOTB1n
CSOT1n
CSIIF1n
SCK1n
SIO1n
SO1n
µ
µ
Note
PD780131, 780132
PD780133, 780134, 78F0134, 780136, 780138, 78F0138
CHAPTER 15 SERIAL INTERFACES CSI10 AND CSI11
Figure 15-9. Timing in 3-Wire Serial I/O Mode (1/2)
User’s Manual U16228EJ2V0UD
ABH
55H (communication data)
56H
ADH
5AH
B5H
6AH
D5H
AAH
Note
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