UPD78F0138 NEC, UPD78F0138 Datasheet - Page 350

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

(5) SO1n output
350
The status of the SO1n output is as follows if bit 7 (CSIE1n) of serial operation mode register 1n (CSIM1n) is
cleared to 0.
Note Status after reset
Caution If a value is written to TRMD1n, DAP1n, and DIR1n, the output value of SO1n changes.
Remark n = 0:
TRMD1n = 0
TRMD1n = 1
TRMD1n
n = 0, 1:
Note
µ
µ
CHAPTER 15 SERIAL INTERFACES CSI10 AND CSI11
PD780131, 780132
PD780133, 780134, 78F0134, 780136, 780138, 78F0138
DAP1n = 0
DAP1n = 1
DAP1n
Table 15-3. SO1n Output Status
−
User’s Manual U16228EJ2V0UD
DIR1n = 0
DIR1n = 1
DIR1n
−
−
Outputs low level
Value of SO1n latch
(low-level output)
Value of bit 7 of SOTB1n
Value of bit 0 of SOTB1n
SO1n Output
Note
.