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| HD6473887 Datasheet, PDF (156/523 Pages) Renesas Technology Corp – Hitachi Single-Chip Microcomputer | |||
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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
Sleep
Subsleep Standby Watch
Subactive Active
P17/IRQ3/TMIF
P16/IRQ2
P15/IRQ1/TMIC
P14/IRQ4/ADTRG
P13/TMIG
P12/TMOFH
P11/TMOFL
P10/TMOW
High-
Retains
impedance previous
state
Retains
previous
state
High-
Retains
impedance* previous
state
Functional
Note: * A high-level signal is output when the MOS pull-up is in the on state.
Functional
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.
PCR1n
0
0
1
PUCR1n
0
1
*
MOS input pull-up Off
On
Off
(n = 7 to 0)
*: Donât care
139
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