SH7764 Datasheet, PDF (1411/1752 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC Engine Family SH-4A Series

Section 27 General Purpose I/O (GPIO)
27.2.4 Port D Control Register (PTIO_D)
PTIO_D is a 16-bit readable/writable register that controls each pin function and input pull-up
MOS.
Bit: 15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
0
PTIO_D7[1:0] PTIO_D6[1:0] PTIO_D5[1:0] PTIO_D4[1:0] PTIO_D3[1:0] PTIO_D2[1:0] PTIO_D1[1:0] PTIO_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
PTIO_D7[1:0]
Initial Value R/W
00
R/W
PTIO_D6[1:0] 00
R/W
PTIO_D5[1:0] 00
R/W
PTIO_D4[1:0] 00
R/W
Description
PTD7 Mode
00: Other functions (CRS and IDEA1_M)
01: Port output
10: Port input (Pull-up MOS: Off)
11: Port input (Pull-up MOS: On)
PTD6 Mode
00: Other functions (TX_ER and
IDEIOWR_M)
01: Port output
10: Port input (Pull-up MOS: Off)
11: Port input (Pull-up MOS: On)
PTD5 Mode
00: Other functions (TX_CLK and
IDED15_M)
01: Port output
10: Port input (Pull-up MOS: Off)
11: Port input (Pull-up MOS: On)
PTD4 Mode
00: Other functions (TX_EN and IDED0_M)
01: Port output
10: Port input (Pull-up MOS: Off)
11: Port input (Pull-up MOS: On)
Rev. 1.00 Nov. 22, 2007 Page 1355 of 1692
REJ09B0360-0100