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H838532H датащи(PDF) 197 Page - Renesas Technology Corp

номер детали H838532H
подробное описание детали  16-Bit Single-Chip Microcomputer H8 Family / H8/300H Super Low Power Series
PDF  508 Pages
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производитель  RENESAS [Renesas Technology Corp]
домашняя страница  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

H838532H датащи(HTML) 197 Page - Renesas Technology Corp

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Section 8 I/O Ports
Rev. 1.00 May 30, 2008 Page 177 of 484
REJ09B0436-0100
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
Sleep
Subsleep
Standby
Watch
Subactive
Active
P3
7/AEVL
P3
6/AEVH
P3
5/TXD31
P3
4/RXD31
P3
3/SCK31
High-
impedance
Retains
previous
state
Retains
previous
state
High-
impedance*
1
Retains
previous
state
Functional
Functional
P3
2
*3
Pull-up
MOS on
P3
2
*2
P3
1/UD/EXCL
P3
0/PWM
High-
impedance
Notes: 1. A high-level signal is output when the MOS pull-up is in the on state.
2. Applies to the mask ROM version.
3. Applies to the flash memory version.
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
0
0
1
PUCR3
n
0
1
*
MOS input pull-up
Off
On
Off
(n = 7 to 0)
*: Don’t care



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