SH7146 Datasheet, PDF (759/1022 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperH™ RISC engine Family

Section 18 I/O Ports
• PBDRH
Bit: 15 14 13 12 11 10 9
8
7
6
5
4
3
2
1
0
-
-
-
-
-
-
-
-
-
-
-
-
-
PB18 PB17 PB16
DR DR DR
Initial value: 0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
R/W: R
R
R
R
R
R
R
R
R
R
R
R
R R/W R/W R/W
Initial
Bit
Bit Name Value R/W Description
15 to 3 —
All 0
R
Reserved
These bits are always read as 0. The write value should
always be 0.
2
PB18DR 0
R/W See table 18.4.
1
PB17DR 0
R/W
0
PB16DR 0
R/W
• PBDRL (SH7146)
Bit: 15 14 13 12 11 10 9
8
7
6
5
4
3
2
1
0
-
-
-
-
-
-
-
-
-
-
PB5 PB4 PB3 PB2
DR DR DR DR
-
-
Initial value: 0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
R/W: R
R
R
R
R
R
R
R
R
R R/W R/W R/W R/W R
R
Initial
Bit
Bit Name Value R/W Description
15 to 6 —
All 0
R
Reserved
These bits are always read as 0. The write value should
always be 0.
5
PB5DR 0
R/W See table 18.4.
4
PB4DR 0
R/W
3
PB3DR 0
R/W
2
PB2DR 0
R/W
1, 0
—
All 0
R
Reserved
These bits are always read as 0. The write value should
always be 0.
Rev. 3.00 May 17, 2007 Page 715 of 974
REJ09B0229-0300