HD64F3687GHV Datasheet, PDF (174/566 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Section 9 I/O Ports
P21/RXD pin
Register
SCR3
Bit Name
RE
Setting Value 0
1
[Legend] x: Don't care.
P20/SCK3 pin
Register
SCR3
Bit Name
CKE1
Setting Value 0
0
0
1
[Legend] x: Don't care.
PCR2
PCR21
0
1
x
Pin Function
P21 input pin
P21 output pin
RXD input pin
CKE0
0
SMR
COM
0
0
1
1
x
x
x
PCR2
PCR20
0
1
x
x
x
Pin Function
P20 input pin
P20 output pin
SCK3 output pin
SCK3 output pin
SCK3 input pin
Rev. 3.00 Sep. 10, 2007 Page 140 of 528
REJ09B0216-0300