upd70f3017ay Renesas Electronics Corporation., upd70f3017ay Datasheet - Page 372

• Manufacturer Part Number: upd70f3017ay
• Description: V850/sa1tm 32-/16-bit Single-chip Microcontroller
• Manufacturer: Renesas Electronics Corporation.

14.2.5
372
Port 4
Port 5
(n = 4, 5)
Ports 4 and 5 are 8-bit I/O ports for which I/O settings can be controlled in 1-bit units.
Remark
Ports 4 and 5 include the following alternate functions.
Note Software pull-up function
After reset:
Pn
Ports 4 and 5
Pin Name
In input mode: When port 4 (P4) and port 5 (P5) are read, the pin levels at that time are read.
In output mode: When port 4 (P4) and port 5 (P5) are read, their values are read. Writing to P4 and
00H
P40
P41
P42
P43
P44
P45
P46
P47
P50
P51
P52
P53
P54
P55
P56
P57
Pnx
Pn7
0
1
7
R/W
Output 0
Output 1
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
AD8
AD9
AD10
AD11
AD12
AD13
AD14
AD15
Writing to P4 and P5 writes the values to those registers. This does not affect the
input pins.
P5 writes the values to those registers, and those values are immediately output.
Pn6
6
Table 14-6. Alternate Functions of Ports 4 and 5
Alternate Function
CHAPTER 14 PORT FUNCTION
Pn5
Control of Output Data (in Output Mode) (n = 4, 5, x = 0 to 7)
5
User’s Manual U12768EJ4V1UD
Address: FFFFF008H, FFFFF00AH
Pn4
4
I/O
I/O
I/O
Pn3
3
No
No
PULL
Note
Pn2
2
Pn1
Remark
1
−
−
Pn0
0