SH7205 Datasheet, PDF (1559/1904 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7200 Series

Section 28 I/O Ports
28.2.14 Port H Data Register L (PHDRL)
PHDRL is a 16-bit readable/writable register that stores port H data. The PH15DR to PH0DR bits
correspond to the PH15 to PH0 pins, respectively.
When a pin function is general output, if a value is written to PHDRL, that value is output from
the pin, and if PHDRL is read, the register value is returned regardless of the pin state.
When a pin function is general input, if PHDRL is read, the pin state, not the register value, is
returned directly. If a value is written to PHDRL, although that value is written into PHDRL, it
does not affect the pin state. Table 28.9 summarizes PHDRL read/write operations.
Bit: 15
PH15
DR
Initial value: 0
R/W: R/W
14
PH14
DR
0
R/W
13
PH13
DR
0
R/W
12
PH12
DR
0
R/W
11
PH11
DR
0
R/W
10
PH10
DR
0
R/W
9
PH9
DR
0
R/W
8
PH8
DR
0
R/W
7
PH7
DR
0
R/W
6
PH6
DR
0
R/W
5
PH5
DR
0
R/W
4
PH4
DR
0
R/W
3
PH3
DR
0
R/W
2
PH2
DR
0
R/W
1
PH1
DR
0
R/W
0
PH0
DR
0
R/W
Initial
Bit
Bit Name Value
R/W Description
15
PH15DR 0
R/W See table 28.9.
14
PH14DR 0
R/W
13
PH13DR 0
R/W
12
PH12DR 0
R/W
11
PH11DR 0
R/W
10
PH10DR 0
R/W
9
PH9DR 0
R/W
8
PH8DR 0
R/W
7
PH7DR 0
R/W
6
PH6DR 0
R/W
5
PH5DR 0
R/W
4
PH4DR 0
R/W
3
PH3DR 0
R/W
2
PH2DR 0
R/W
1
PH1DR 0
R/W
0
PH0DR 0
R/W
Rev. 1.00 Mar. 25, 2008 Page 1527 of 1868
REJ09B0372-0100