NEC 78K0S/KA1+ Preliminary User's Manual page 191

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The relationship between the register settings and pins is shown below.
POWER6
0
1
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Note Can be set as port function.
Remark ×:
CHAPTER 11 SERIAL INTERFACE UART6
Table 11-2. Relationship Between Register Settings and Pins
TXE6 RXE6 PM43 P43
Note
0 0 × ×
Note
0 1 × ×
1 0 0
1 1 0
don't care
POWER6: Bit 7 of asynchronous serial interface operation mode register 6 (ASIM6)
TXE6: Bit 6 of ASIM6
RXE6: Bit 5 of ASIM6
PM4×: Port mode register
P4×: Port output latch
PM44 P44 UART6
Operation
Note Note Note
× ×
Note
1 × Reception
Note Note
1 × × Transmission
1 1 × Transmission/
reception
Preliminary User's Manual U16898EJ1V0UD
Pin Function
TxD6/INTP1/P43
Stop P43
P43
TxD6
TxD6
RxD6/P44
P44
RxD6
P44
RxD6
191