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H838532H 데이터시트(PDF) 200 Page - Renesas Technology Corp

부품명 H838532H
상세설명  16-Bit Single-Chip Microcomputer H8 Family / H8/300H Super Low Power Series
PDF  508 Pages
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제조업체  RENESAS [Renesas Technology Corp]
홈페이지  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

H838532H 데이터시트(HTML) 200 Page - Renesas Technology Corp

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Section 8 I/O Ports
Rev. 1.00 May 30, 2008 Page 180 of 484
REJ09B0436-0100
Pin
Pin Functions and Selection Method
P4
1/RXD32
The pin function depends on bit RE
32 in SCR32 and bit PCR41 in PCR4.
RE
32
0
1
PCR4
1
0
1
*
Pin function
P4
1 input pin
P4
1 output pin
RXD
32 input pin
P4
0/SCK32
The pin function depends on bits CKE321 and CKE320 in SCR32, bit COM32 in
SMR32, and bit PCR4
0 in PCR4.
CKE321
0
1
CKE320
0
1
*
COM32
0
1
*
*
PCR4
0
0
1
*
*
Pin function
P4
0 input pin
P4
0 output pin
SCK
32 output
pin
SCK
32 input
pin
*: Don’t care
8.4.4
Pin States
Table 8.10 shows the port 4 pin states in each operating mode.
Table 8.10
Port 4 Pin States
Pins
Reset
Sleep
Subsleep Standby
Watch
Subactive Active
P4
3/IRQ0
P4
2/TXD32
P4
1/RXD32
P4
0/SCK32
High-
impedance
Retains
previous
state
Retains
previous
state
High-
impedance
Retains
previous
state
Functional Functional



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