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XI - 37
Chapter 11 Serial Interface 0, 1
Operation
Serial Interface 1 Pins Setup (3 channels, at transmission / reception)
Table 11-3-13 shows the setup for synchronous serial interface pin with 3 lines (SBO1 pin, SBI1 pin,
SBT1 pin) at transmission / reception.
Table 11-3-13 Setup for Synchronous Serial Interface 1 Pin
(3 channels, at transmission / reception)
Data output pin Data input pin
SBO0A pin/ SBI0A pin/
SBO0B pin SBI0B pin Internal clock External clock
Port Pin P03/P70 P04/P71
Serial data output Serial data input Serial clock I/O Serial clock I/O
SC0MD1(SC0SBOS) SC0MD1(SC0SBIS)
Push-pull/ Push-pull / Push-pull /
Nch open-drain Nch open-drain Nch open-drain
SC0ODC (SC0ODC)
SC0ODC (SC0ODC3)
Output mode Input mode Output mode Input mode
P0DIR (P0DIR3) P0DIR (P0DIR4)
P7DIR (P7DIR0) P7DIR (P7DIR1)
Add/Not Add Add/Not Add Add/Not Add
P0PLU (P0PLU3)
P7PLUD (P7PLUD0)
Clock I/O pin
SBT0A pin/SBT0B pin
P05/P72
SC0MD1 (SC0IOM)
Select used pin (A, B)
SC0ODC (SC1SEL)
SBI0/SBO0 independent
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Setup item
Port Pin Setup
SBI / SBO pin Setup
Function
SC0MD1 (SC0SBTS)
SC0ODC (SC0ODC1)
P0DIR (P0DIR5)
P7PLUD (P7PLUD2)
Note) Select pull-up/down resistor with P7RDOWN flag of FLOAT register (x'03F2E')
[ Chapter4, 4.7.2 Register ]
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P7DIR (P7DIR2)
P0PLU (P0PLU5)
I/O
Pull-up (Pull-down) setup
Style