Pin States; Mos Input Pull-Up - Renesas H8/38024 Hardware Manual

8.3.4

Pin States

Table 8.7 shows the port 3 pin states in each operating mode.
Table 8.7 Port 3 Pin States
Pins Reset
P3 /AEVL High-
7
P3 /AEVH impedance
6
P3
5
P3
4
P3
3
P3 /TMOFH
2
P3 /TMOFL
1
P3 /UD
0
Note: * A high-level signal is output when the MOS pull-up is in the on state.
8.3.5

MOS Input Pull-Up

Port 3 has a built-in MOS input pull-up function that can be controlled by software. When a
PCR3 bit is cleared to 0, setting the corresponding PUCR3 bit to 1 turns on the MOS pull-up for
that pin. The MOS pull-up function is in the off state after a reset.
PCR3
n
PUCR3
n
MOS input pull-up
Rev. 6.00, 08/04, page 202 of 628
Sleep Subsleep Standby
Retains Retains
previous previous
state state
0
0
Off
Watch
High- Retains
impedance *
previous
state
0
1
On
Subactive Active
Functional Functional
1
*
Off
(n = 7 to 0)
*: Don't care