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■ Registers for Port 6, 7
●
Port 6, 7 data register (PDR6, 7)
Figure 5.6-2 Port 6 data register (PDR6)
Figure 5.6-3 Port 7 data register (PDR7)
●
Port 6, 7 direction register (DDR6, 7)
Figure 5.6-4 Port 6 direction register (DDR6)
Figure 5.6-5 Port 7 direction register (DDR7)
●
Port 6, 7 function selection register (PFS6, 7)
Figure 5.6-6 Port 6 function selection register (PFS6)
Table 5.6-1 Operation of function selection bits
Function selection bits
Register setting value
0 1
[bit7]: T4OE General-purpose port T4O output
[bit6]: T5O1E General-purpose port T5O output
[bit5]: General-purpose port Setting disabled
[bit4]: General-purpose port Setting disabled
[bit3]: ALEE General-purpose port
ALE output
*
[bit2]: WR1XE General-purpose port
WR1
output
*
[bit1]: WR0XE General-purpose port
WR0
output
*
[bit0]: RDXE General-purpose port
RD
output
*
7 6 5 4 3 2 1 0
XXXX XXXX
B
Initial value
bit
R/W R/W R/W R/W R/W R/W R/W R/W
PD76 PD66
PD65 PD64 PD63 PD62 PD61 PD60
Access
Address: 000005
H
7 6 5 4 3 2 1 0
---- ---X
B
Initial value
bit
R/W R/W R/W R/W R/W R/W R/W R/W
PD70
Access
Address: 000004
H
7 6 5 4 3 2 1 0
0000 0000
B
Initial value
bit
WWWWWWWW
DR67 DR66 DR65 DR64 DR63 DR62 DR61 DR60
Access
Address: 00000D
H
7 6 5 4 3 2 1 0
---- ---0
B
Initial value
bit
WWWWWWWW
DR70
Access
Address: 00000C
H
7 6 5 4 3 2 1 0
0000 1111
B
Initial value
bit
WWWWWWWW
T4OE T5O1E ALEE WR1XE WR0XE RDXE
Access
Address: 000605
H