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H8S2245 Datasheet(PDF) 281 Page - Renesas Technology Corp

Part # H8S2245
Description  Renesas 16-Bit Single-Chip Microcomputer H8S Family / H8S/2200 Series
PDF  818 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

H8S2245 Datasheet(HTML) 281 Page - Renesas Technology Corp

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Section 8 I/O Ports
Rev.3.00 Mar. 26, 2007 Page 239 of 772
REJ09B0355-0300
8.6.3
Pin Functions
Port 5 pins also function as SCI I/O pins (TxD2, RxD2, and SCK2). Port 5 pin functions are
shown in table 8.10.
Table 8.10
Port 5 Pin Functions
Pin
Selection Method and Pin Functions
P5
3
The pin function is switched as shown below according to bit P53DDR.
P53DDR
0
1
Pin function
P5
3 input pin
P5
3 output pin
P5
2/SCK2
The pin function is switched as shown below according to the combination of
bit C/
A in the SCI2 SMR, bits CKE0 and CKE1 in SCR, and bit P52DDR.
CKE1
0
1
C/
A
01
—
CKE0
0
1
——
P52DDR
0
1
——
—
Pin function
P5
2
input pin
P5
2
output pin
SCK2
output pin
SCK2
output pin
SCK2
input pin
P5
1/RxD2
The pin function is switched as shown below according to the combination of
bit RE in the SCI2 SCR, and bit P51DDR.
RE
0
1
P51DDR
0
1
—
Pin function
P5
1 input pin
P5
1 output pin
RxD2 input pin
P5
0/TxD2
The pin function is switched as shown below according to the combination of
bit TE in the SCI2 SCR, and bit P50DDR.
TE
0
1
P50DDR
0
1
—
Pin function
P5
0 input pin
P5
0 output pin
TxD2 output pin



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