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

Section 8 I/O Ports
8.2.4

Pin States

Table 8.4 shows the port 1 pin states in each operating mode.
Table 8.4 Port 1 Pin States
Pins Reset
P1 /IRQ /TRGV High-
7 3
impedance
P1 /IRQ
6 2
P1 /IRQ
5 1
P1 /PWM
4
P1 /TMOW
0
Note: * A high-level signal is output when the MOS pull-up is in the on state.
8.2.5

MOS Input Pull-Up

Port 1 has a built-in MOS input pull-up function that can be controlled by software. When a PCR1
bit is cleared to 0, setting the corresponding PUCR1 bit to 1 turns on the MOS input pull-up for
that pin. The MOS input pull-up function is in the off state after a reset.
PCR1
n
PUCR1
n
MOS input pull-up
Legend: * Don't care
Note: n = 7 to 4, 0
Rev. 6.00 Sep 12, 2006 page 176 of 526
REJ09B0326-0600
Sleep Subsleep Standby
Retains Retains
previous previous
state state
0
0
Off
Watch
High- Retains
impedance *
previous
state
1
On
Subactive Active
Functional Functional
1
*
Off