HD6417706 Datasheet, PDF (529/709 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer Super RISC engine Family/SH7700 Series

Bit
Bit Name
Initial Value R/W
Description
7
PC7DT
0
R/W
Table 18.3 shows the function of PCDR.
6
PC6DT
0
R/W
5
PC5DT
0
R/W
4
PC4DT
0
R/W
3
PC3DT
0
R/W
2
PC2DT
0
R/W
1
PC1DT
0
R/W
0
PC0DT
0
R/W
Table 18.3 Read/Write Operation of the Port C Data Register (PCDR)
PCnMD1 PCnMD0 Pin State
Read
0
0
Other function PCDR value
1
1
0
1
Output
Input (Pull-up
MOS: on)
Input (Pull-up
MOS: off)
PCDR value
Pin state
Pin state
Write
Value is written to PCDR, but does not affect
pin state.
Write value is output from pin.
Value is written to PCDR, but does not affect
pin state.
Value is written to PCDR, but does not affect
pin state.
(n = 0 to 7)
18.4 Port D
Port D is an 8-bit I/O port with the pin configuration shown in figure 18.4. Each pin has an input
pull-up MOS, which is controlled by Port D Control Register (PDCR) in PFC.
Port D
PTD7 (I/O) /
(output)
PTD6 (I/O) /
(output)
PTD5 (I/O) /
(input)
PTD4 (I/O) / CKE (output)
PTD3 (I/O) /
(output)
PTD2 (I/O) /
(output)
PTD1 (I/O) /
(output)
PTD0 (I/O) /
(output)
Figure 18.4 Port D
Rev. 4.00, 03/04, page 483 of 660