CHAPTER 14 PORT FUNCTIONS
User’s Manual U14359EJ4V0UM
483
14.3.7 Port 7
Port 7 is an 8-bit input-only port whose pins are fixed to input.
7
6
5
4
3
2
1
0
Address
After reset
P7
P77
P76
P75
P74
P73
P72
P71
P70
FFFFF40EH Undefined
Bit position
Bit name
Function
7 to 0
P7n
(n = 7 to 0)
Port 7
Input-only port
In addition to their function as port pins, the port 7 pins can also operate as the analog inputs to the A/D converter
in the control mode.
(1) Operation in control mode
Port
Alternate Function
Remark
Block Type
Port 7
P77 to P70
ANI7 to ANI0
Analog input to A/D converter
C
Caution
When some of the pins of port 7 are used as analog input pins of the A/D converter, the rest of
the pins cannot be used as input port pins (for example when the ANI0 to ANI2 pins are used as
the input pins of the A/D converter, do not use the P73 to P77 pins as input port pins).
