SH7020 Datasheet, PDF (419/509 Pages) Renesas Technology Corp – SuperH™ RISC engine

PACR2:
Bit: 15
14
13
12
11
10
9
8
Bit name: — PA7MD — PA6MD — PA5MD — PA4MD
Initial value: 1
1
1
1
1
1
1
1
R/W: —
R/W
—
R/W
—
R/W
—
R/W
Bit: 7
6
5
4
3
2
1
0
Bit name: PA3MD1 PA3MD0 PA2MD1 PA2MD0 PA1MD1 PA1MD0 PA0MD1 PA0MD0
Initial value: 1
0
0
1
0
1
0
1
R/W: R/W R/W R/W R/W R/W R/W R/W R/W
• Bit 15 (reserved): This bit always reads as 1. The write value should always be 1.
• Bit 14 (PA7 mode (PA7MD)): PA7MD selects the function of the PA7/BACK pin.
Bit 14: PA7MD
0
1
Function
Input/output (PA7)
Bus request acknowledge output (BACK) (initial value)
• Bit 13 (reserved): This bit always reads as 1. The write value should always be 1.
• Bit 12 (PA6 mode (PA6MD)): PA6MD selects the function of the PA6/RD pin.
Bit 12: PA6MD
0
1
Function
Input/output (PA6)
Read output (RD) (initial value)
• Bit 11 (reserved): This bit always reads as 1. The write value should always be 1.
• Bit 10 (PA5 mode (PA5MD)): PA5MD selects the function of the PA5/WRH (LBS) pin.
Bit 10: PA5MD
0
1
Function
Input/output (PA5)
Upper write output (WRH) or lower byte strobe output (LBS) (initial value)
• Bit 9 (reserved): This bit always reads as 1. The write value should always be 1.
RENESAS 405