Chapter 7
I/O Port
VII - 48 Port 4
Table:7.8.8 P46 Function Selection
*1 When serial data is output, set the P4DIR.P4DIR6 to "1".
*2 When serial data is input and output, set the bit to "1".
Table:7.8.9 P47 Function Selection
*1 When the LSI is the master of Clock-synchronous communication, set the P4DIR.P4DIR7 to "1".
Setup Function
Register LCCTR3 SC1MD1 SC01SEL
Bit name SEGSL21 SC1SBOS SC1SBIS SC1IOM SC1SEL1
1 - - - SEG21
0
1 (*1) - (*2) - (*2) 1
SBO1B/
TXD1B
0
111
00-P46
Setup Function
Register LCCTR3 SC1MD1 SC01SEL
Bit name SEGSL20 SC1SBTS SC1SEL2
1 - - SEG20
0
1 (*1) 1 SBT1B
0-P47
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