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

8-bit single-chip microcomputer
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8.5.4

Pin States

Table 8.13 shows the port 5 pin states in each operating mode.
Table 8.13 Port 5 Pin States
Pins
Reset
P5
/INT
to
High-
7
7
P5
/INT
impedance
0
0
Note:
* A high-level signal is output when the MOS pull-up is in the on state.
8.5.5

MOS Input Pull-Up

Port 5 has a built-in MOS input pull-up function that can be controlled by software. When a PCR5
bit is cleared to 0, setting the corresponding PUCR5 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.
PCR5
n
PUCR5
n
MOS input pull-up
Legend: * Don't care
Note: n = 7 to 0
Sleep
Subsleep
Retains
Retains
previous
previous
state
state
0
0
Off
Standby
Watch
High-
Retains
impedance *
previous
state
1
On
Rev. 6.00 Sep 12, 2006 page 189 of 526
Section 8 I/O Ports
Subactive Active
Functional Functional
1
*
Off
REJ09B0326-0600

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