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HD6473887 Datasheet, PDF (306/523 Pages) Renesas Technology Corp – Hitachi Single-Chip Microcomputer
Bit 3: TXD32 pin output data inversion switch
Bit 3 specifies whether or not TXD32 pin output data is to be inverted.
Bit 3
SCINV3
0
1
Description
TXD32 output data is not inverted
TXD32 output data is inverted
Bit 4: P35/TXD31 pin function switch (SPC31)
This bit selects whether pin P35/TXD31 is used as P35 or as TXD31.
Bit 4
SPC31
Description
0
Functions as P35 I/O pin
1
Functions as TXD31 output pin*
Note: * Set the TE bit in SCR3 after setting this bit to 1.
Bit 5: P42/TXD32 pin function switch (SPC32)
This bit selects whether pin P42/TXD32 is used as P42 or as TXD32.
Bit 5
SPC32
Description
0
Functions as P42 I/O pin
1
Functions as TXD32 output pin*
Note: * Set the TE bit in SCR3 after setting this bit to 1.
Bits 7 to 6: Reserved bits
Bits 7 to 6 are reserved; they are always read as 1 and cannot be modified.
(initial value)
(initial value)
(initial value)
289