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HD64F2149YV Folha de dados(PDF) 291 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) 291 Page - Renesas Technology Corp

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Section 8 I/O Ports
Rev. 3.00 Jan 18, 2006 page 263 of 1044
REJ09B0280-0300
Pin
Selection Method and Pin Functions
PB1/D1/
WUE1/
HIRQ4/LSCI
The pin function is switched as shown below according to the combination of
the operating mode, bits HI12E and CS4E in SYSCR2, bit ABW in WSCR, and
bit PB1DDR.
Operating
mode
Mode 1,
modes 2 and 3 (EXPE = 1)
Modes 2, 3
(EXPE = 0)
LSCIE
—
01
HI12E
—
1
—*
CS4E
—
Either cleared
to 0
1
—
ABW
0
1
——
—
PB1DDR
—
01
011
—*
Pin function
D1
I/O pin
PB1
input
pin
PB1
output
pin
PB1
input
pin
PB1
output
pin
HIRQ4
output
pin
LSCI
output
pin
LSCI input pin
WUE1 input pin
Note:
*
When bit LSCIE is set to 1 in HICR0, bits HI12E and PB1DDR
should be cleared to 0.
Except when used as a data bus pin, this pin can always be used as the
WUE1 input pin.
The HIRQ4 output pin and LSCI I/O pin can only be used in mode 2 or 3
(EXPE = 0).



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