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14.2.10 Port 11
Port 11 is a 4-bit port. A pull-up resistor can be connected to bits 0 to 3 in 1-bit units (software pull-up function).
P11 can be read/written in 8-/1-bit units.
The on/off of wait function can be switched with a port alternate-function control register (PAC).
Caution
When using the wait function, set BC
00H
After reset:
7
P11
0
P11n
0
1
Remark
In input mode:
In output mode: When the P11 register is read, the P11 register's values are read. Writing to P11
Port 11 includes the following alternate functions.
Pin Name
Port 11
P110
P111
P112
P113
Note Software pull-up function
408
CHAPTER 14
Figure 14-41. Port 11 (P11)
R/W
Address: FFFFF016H
6
5
0
0
Control of output data (in output mode) (n = 0 to 3)
Outputs 0
Outputs 1
When the P11 register is read, the pin levels at that time are read. Writing to P11
writes the values to that register. This does not affect the input pins.
writes the values to that register, and those values are immediately output.
Table 14-11. Port 11 Alternate Function Pins
Alternate Function
A1/WAIT
A2
A3
A4
User's Manual U13850EJ4V0UM
PORT FUNCTION
to the same potential as EV
DD
4
3
Undefined
P113
Note
I/O
PULL
I/O
Yes
.
DD
2
1
P112
P111
P110
Remark
−
0
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