431
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 is always read 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 Function
0 Input/output (PA7)
1 Bus request acknowledge output (BACK) (Initial value)
• Bit 13 (Reserved): This bit is always read 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 Function
0 Input/output (PA6)
1 Read output (RD) (Initial value)
• Bit 11 (Reserved): This bit is always read 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 Function
0 Input/output (PA5)
1 Upper write output (WRH) or lower byte strobe output (LBS) (Initial value)
• Bit 9 (Reserved): This bit is alway read as 1. The write value should always be 1.