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5.2 Port Data Register (PDR)
5.2 Port Data Register (PDR)
The port data registers (PDR2 to PDRF) are I/O port I/O data registers. The
corresponding data direction registers (DDR2 to DDRF) perform I/O control.
■
Configuration of Port Data Register (PDR)
The port data register (PDR) is configured as follows:
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PDR2
Address: 000001
H
P27 P26 P25 P24 P23 P22 P21 P20 XXXXXXXX
B
R/W
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PDR3
Address: 000000
H
P37 P36 P35 P34 P33 P32 P31 P30 XXXXXXXX
B
R/W
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PDR4
Address: 000007
H
P47 P46 P45 P44 P43 P42 P41 P40 XXXXXXXX
B
R/W
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PDR5
Address: 000006
H
P57 P56 P55 P54 P53 P52 P51 P50 XXXXXXXX
B
R/W
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PDR6
Address: 000005
H
P67 P66 P65 P64 P63 P62 P61 P60 XXXXXXXX
B
R/W
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PDR7
Address: 000004
H
P70 -------X
B
R/W
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PDR8
Address: 00000B
H
P85 P84 P83 P82 P81 P80 --XXXXXX
B
R/W
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PDRA
Address: 000009
H
PA6 PA5 PA4 PA3 PA2 PA1 PA0 -XXXXXXX
B
R/W
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PDRB
Address: 000008
H
PB7 PB6 PB5 PB4 PB3 PB2 PB1 PB0 XXXXXXXX
B
R/W
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PDRE
Address: 000012
H
PE7 PE6 PE5 PE4 PE3 PE2 PE1 PE0 XXXXXXXX
B
R/W
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PDRF
Address: 000013
H
PF7 PF6 PF5 PF4 PF3 PF2 PF1 PF0 XXXXXXXX
B
R/W
Initial value
Access
Initial value
Access
Initial value
Access
Initial value
Access
Initial value
Access
Initial value
Access
Initial value
Access
Initial value
Access
Initial value
Access
Initial value
Access
Initial value
Access