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HD64F2149YV Folha de dados(PDF) 253 Page - Renesas Technology Corp

Nome de Peças HD64F2149YV
Descrição Electrónicos  Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2100 Series
PDF  1075 Pages
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Fabricante Electrônico  RENESAS [Renesas Technology Corp]
Página de início  http://www.renesas.com
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HD64F2149YV Folha de dados(HTML) 253 Page - Renesas Technology Corp

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Section 8 I/O Ports
Rev. 3.00 Jan 18, 2006 page 225 of 1044
REJ09B0280-0300
Pin
Selection Method and Pin Functions
P41/TMO0/RxD2/
IrRxD
The pin function is switched as shown below according to the combination of
bits OS3 to OS0 in TCSR of TMR0, bit RE in SCR of SCI2 and bit P41DDR.
OS3 to OS0
All 0
Not all 0
RE
0
1
0
P41DDR
0
1
——
Pin function
P41
input pin
P41
output pin
RxD2/IrRxD
input pin
TMO0
output pin
When this pin is used as the TMO0 output pin, bit RE in SCR of SCI2 must be
cleared to 0.
P40/TMCI0/TxD2/
IrTxD
The pin function is switched as shown below according to the combination of
bit TE in SCR of SCI2 and bit P40DDR.
TE
0
1
P40DDR
0
1
—
Pin function
P40
input pin
P40
output pin
TxD2/IrTxD
output pin
TMCI0 input pin
When an external clock is selected with bits CKS2 to CKS0 in TCR0 of TMR0,
this pin is used as the TMCI0 input pin.



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