SH7055S Datasheet, PDF (712/1002 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family/SH7000 Series

• Bit 5—Reserved: This bit is always read as 0. The write value should always be 0.
• Bit 4—PF10 Mode Bit (PF10MD): Selects the function of pin PF10/CS0.
Bit 4: PF10MD
0
1
Expanded Mode
General input/output (PF10)
Chip select output (CS0)
(Initial value)
Description
Single-Chip Mode
General input/output (PF10)
General input/output (PF10)
(Initial value)
• Bit 3—Reserved: This bit is always read as 0. The write value should always be 0.
• Bit 2—PF9 Mode Bit (PF9MD): Selects the function of pin PF9/RD.
Bit 2: PF9MD
0
1
Expanded Mode
General input/output (PF9)
Read output (RD)
(Initial value)
Description
Single-Chip Mode
General input/output (PF9)
General input/output (PF9)
(Initial value)
• Bit 1—Reserved: This bit is always read as 0. The write value should always be 0.
• Bit 0—PF8 Mode Bit (PF8MD): Selects the function of pin PF8/WAIT.
Bit 0: PF8MD
0
1
Expanded Mode
General input/output (PF8)
Wait state input (WAIT)
(Initial value)
Description
Single-Chip Mode
General input/output (PF8)
General input/output (PF8)
(Initial value)
Port F Control Register L (PFCRL)
Bit: 15
14
13
12
11
10
9
8
— PF7MD — PF6MD PF5MD1 PF5MD0 — PF4MD
Initial value: 0
1
0
1
0
0
0
0
R/W: R
R/W
R
R/W R/W R/W
R
R/W
Bit: 7
6
5
4
3
2
1
0
— PF3MD — PF2MD — PF1MD — PF0MD
Initial value: 0
0
0
0
0
0
0
0
R/W: R
R/W
R
R/W
R
R/W
R
R/W
Rev.2.0, 07/03, page 674 of 960