SH7764 Datasheet, PDF (1436/1752 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC Engine Family SH-4A Series

Section 27 General Purpose I/O (GPIO)
Bit
Bit Name
Initial Value R/W Description
7

0
R
Reserved
This bit is always read as 0. The write value
should always be 0.
6
PTSEL_A3
0
R/W Port A (PA3) Function Select
0: FWE function
1: PA3 function
5

0
R
Reserved
This bit is always read as 0. The write value
should always be 0.
4
PTSEL_A2
0
R/W Port A (PA2) Function Select
0: TXD2 function
1: PA2 function
3

0
R
Reserved
This bit is always read as 0. The write value
should always be 0.
2
PTSEL_A1
0
R/W Port A (PA1) Function Select
0: RXD2 function
1: PA1 function
1

0
R
Reserved
This bit is always read as 0. The write value
should always be 0.
0
PTSEL_A0
0
R/W Port A (PA0) Function Select
0: SCK2 function
1: PA0 function
Rev. 1.00 Nov. 22, 2007 Page 1380 of 1692
REJ09B0360-0100