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HD64F2149YV Folha de dados(PDF) 292 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) 292 Page - Renesas Technology Corp

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Section 8 I/O Ports
Rev. 3.00 Jan 18, 2006 page 264 of 1044
REJ09B0280-0300
Pin
Selection Method and Pin Functions
PB0/D0/
WUE0/
HIRQ3/
LSMI
The pin function is switched as shown below according to the combination of
the operating mode, bits HI12E and CS3E in SYSCR2, bit ABW in WSCR, and
bit PB0DDR.
Operating
mode
Mode 1,
modes 2 and 3 (EXPE = 1)
Modes 2, 3
(EXPE = 0)
LSMIE
—
01
HI12E
—
1
—*
CS3E
—
Either cleared
to 0
1
—*
ABW
0
1
——
—
PB0DDR
—
01
011
—*
Pin function
D0
I/O pin
PB0
input
pin
PB0
output
pin
PB0
input
pin
PB0
output
pin
HIRQ3
output
pin
LSMI
output
pin
LSMI input pin
WUE0 input pin
Note:
*
When bit LSCIE is set to 1 in HICR0, bits HI12E and PB0DDR
should be cleared to 0.
Except when used as a data bus pin, this pin can always be used as the
WUE0 input pin.
The HIRQ3 output pin and
LSMI I/O pin can only be used in mode 2 or 3
(EXPE = 0).



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