HD64F38602R Datasheet, PDF (159/552 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer

Section 8 I/O Ports
8.2.5 Pin Functions
The relationship between the register settings and the port functions is shown below.
• P32/TXD3/IrTXD pin
Register Name
Bit Name
Setting
SPCR
SPC3
0
1
[Legend] x: Don't care.
IrCR
IrE
x
0
1
PCR3
PCR32
0
1
x
x
Pin Function
P32 input pin
P32 output pin
TXD3 output pin
IrTXD output pin
• P31/RXD3/IrRXD pin
Register Name
Bit Name
Setting
SCR3
RE
0
1
[Legend] x: Don't care.
IrCR
IrE
x
0
1
PCR3
PCR31
0
1
x
x
Pin Function
P31 input pin
P31 output pin
RXD3 input pin
IrRXD input pin
• P30/SCK3/VC_ref (/IRQ0) pin
Register Name
Bit Name
Setting
PFCR
IRQ0S1 and
IRQ0S0
Other than
B'10
B'10
[Legend] x: Don't care.
PMR3
SCR3
SMR3 PCR3 Pin Function
VCref CKE1 CKE0 COM PCR30
0
0
0
0
0 P30 input pin
1 P30 output pin
1
x SCK3 output pin
1
x
x SCK3 output pin
1
0
x
x SCK3 input pin
1
x
x
x
x VCref pin
x
x
x
x
x IRQ0 input pin
Rev. 3.00 May 15, 2007 Page 127 of 516
REJ09B0152-0300