SH7764 Datasheet, PDF (1441/1752 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC Engine Family SH-4A Series

Section 27 General Purpose I/O (GPIO)
27.2.25 Pin Select Register 3 (PTSEL_D)
PTSEL_D is a 16-bit readable/writable register that selects the functions for the pins that
multiplex two or more functions other than the port function.
Bit: 15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
0
PTSEL_D7[1:0] PTSEL_D6[1:0] PTSEL_D5[1:0] PTSEL_D4[1:0] PTSEL_D3[1:0] PTSEL_D2[1:0] PTSEL_D1[1:0] PTSEL_D0[1:0]
Initial value: 0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
R/W: R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W
Bit
15, 14
13, 12
11, 10
9, 8
Bit Name
Initial Value R/W
PTSEL_D7[1:0] 00
R/W
PTSEL_D6[1:0] 00
R/W
PTSEL_D5[1:0] 00
R/W
PTSEL_D4[1:0] 00
R/W
Description
Port D (PD7) Function Select
00: CRS function
01: PD7 function
10: IDEA1_M function
11: Setting prohibited
Port D (PD6) Function Select
00: TX_ER function
01: PD6 function
10: IDEIOWR_M function
11: Setting prohibited
Port D (PD5) Function Select
00: TX_CLK function
01: PD5 function
10: IDED15_M function
11: Setting prohibited
Port D (PD4) Function Select
00: TX_EN function
01: PD4 function
10: IDED0_M function
11: Setting prohibited
Rev. 1.00 Nov. 22, 2007 Page 1385 of 1692
REJ09B0360-0100