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12.3.7 Port 6
Port 6 is an 8-bit input/output port that can be set in the input or output mode in 1-bit units.
7
6
P6
P67
P66
Bit Position
Bit Name
7 to 0
P6n
(n = 7 to 0)
In addition to the function as a general I/O port, this port also serves as an external address bus for external memory
expansion, when placed in the control mode (external expansion mode).
(1) Operation in control mode
Port
Port 6
P60 to P67
CHAPTER 12 PORT FUNCTION
5
4
3
P65
P64
P63
Port 6
I/O port
Control Mode
A16 to A23
Address bus for external memory expansion
User's Manual U11969EJ3V0UM00
2
1
0
P62
P61
P60
Function
Function in Control Mode
Address
After reset
FFFFF00CH
Undefined
Block Type
F
361
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