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Chapter 11 Serial Interface 0, 1
XI - 38
Operation
Serial Interface 1 Pins Setup (2 channels, at reception)
Table 11-3-15 shows the setup for synchronous serial interface pin with 2 channels (SBO1 pin, SBT1
pin) at reception. SBI1 pin can be used as a general port.
Table 11-3-15 Setup for Synchronous Serial Interface 1 Pin (2 channels, at reception)
Serial Interface 1 Pins Setup (2 channels, at transmission)
Table 11-3-14 shows the setup for synchronous serial interface pin with 2 channels (SBO1 pin, SBT1
pin) at transmission. SBI1 pin can be used as a general port.
Table 11-3-14 Setup for Synchronous Serial Interface 1 Pin (2 channels, at transmission)
SBO1A pin/ SBI1A pin/
SBO1B pin SBI1B pin Internal clock External clock
Port Pin
Serial data output "1" 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
SC1ODC(SC1ODC0)
SC1ODC(SC1ODC2)
Output mode Output mode Input mode
P0DIR (P0DIR0)
P7DIR (P7DIR3)
Add/Not Add Add/Not Add Add/Not Add
P0PLU (P0PLU0)
P7PLUD(P7PLUD3)
Note) Select pull-up/down resistor with P7RDOWN flag of FLOAT register (x'03F2E')
[ Chapter4, 4.7.2 Register ]
-
-
-
P7DIR (P7DIR5)
P0PLU (P0PLU2)
I/O
Pull-up (Pull-down) setup
Style
SC0MD1 (SC0SBTS)
SC1ODC (SC1ODC1)/SC1ODC (SC1ODC3)
P0DIR (P0DIR2)
P7PLUD (P7PLUD5)
Setup item
Port Pin Setup
SBI / SBO pin Setup
Function
Select used pin (A, B)
SC1ODC (SC1SEL)
SBI0/SBO0 connection
SC0MD1 (SC0IOM)
-
Clock I/O pin
SBT1A pin/SBT1B pin
P02/P75
Data output pin
P00/P73
SBO1A pin/ SBI1A pin/
SBO1B pin SBI1B pin Internal clock External clock
Port Pin
Port Serial data input Serial clock I/O Serial clock I/O
SC0MD1(SC0SBOS) SC0MD1(SC0SBIS)
Push-pull / Push-pull /
Nch open-drain Nch open-drain
input mode Output mode Input mode
P0DIR (P0DIR0)
P7DIR (P7DIR3)
Add/Not Add Add/Not Add
Data input pin
P00/P73
-
Clock I/O pin
SBT1A pin/SBT1B pin
P02/P75
P7PLUD (P7PLUD5)
Style
Setup item
Port Pin Setup
SBI / SBO pin Setup
Function
Select used pin (A, B)
SC1ODC (SC1SEL)
SBI0/SBO0 connection
SC0MD1 (SC0IOM)
-
SC0MD1 (SC0SBTS)
SC1ODC (SC1ODC1)/SC1ODC (SC1ODC3)
P0DIR (P0DIR2)
-
Note) Select pull-up/down resistor with P7RDOWN flag of FLOAT register (x'03F2E')
[ Chapter4, 4.7.2 Register ]
-
-
-
P7DIR (P7DIR5)
P0PLU (P0PLU2)
I/O
Pull-up (Pull-down) setup