SH7764 Datasheet, PDF (1413/1752 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC Engine Family SH-4A Series

Section 27 General Purpose I/O (GPIO)
27.2.5 Port E Control Register (PTIO_E)
PTIO_E 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_E7[1:0] PTIO_E6[1:0] PTIO_E5[1:0] PTIO_E4[1:0] PTIO_E3[1:0] PTIO_E2[1:0] PTIO_E1[1:0] PTIO_E0[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_E7[1:0]
Initial Value R/W
00
R/W
PTIO_E6[1:0] 00
R/W
PTIO_E5[1:0] 00
R/W
PTIO_E4[1:0] 00
R/W
Description
PTE7 Mode
00: Other functions (COL and IDEA2_M)
01: Port output
10: Port input (Pull-up MOS: Off)
11: Port input (Pull-up MOS: On)
PTE6 Mode
00: Other functions (RX_ER and
IODREQ_M)
01: Port output
10: Port input (Pull-up MOS: Off)
11: Port input (Pull-up MOS: On)
PTE5 Mode
00: Other functions (RX_CLK and IDED1_M)
01: Port output
10: Port input (Pull-up MOS: Off)
11: Port input (Pull-up MOS: On)
PTE4 Mode
00: Other functions (RX_DV and IDED14_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 1357 of 1692
REJ09B0360-0100