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HD64F2149YV bảng dữ liệu(PDF) 290 Page - Renesas Technology Corp

tên linh kiện HD64F2149YV
Giải thích chi tiết về linh kiện  Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2100 Series
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HD64F2149YV bảng dữ liệu(HTML) 290 Page - Renesas Technology Corp

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Section 8 I/O Ports
Rev. 3.00 Jan 18, 2006 page 262 of 1044
REJ09B0280-0300
Pin
Selection Method and Pin Functions
PB3/D3/
WUE3/
CS4
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 PB3DDR.
Operating
mode
Mode 1,
modes 2 and 3 (EXPE = 1)
Modes 2, 3
(EXPE = 0)
HI12E
—
Either cleared to 0
1
CS4E
—
1
ABW
0
1
——
PB3DDR
—
010
1
—
Pin function
D3
I/O pin
PB3
input pin
PB3
output pin
PB3
input pin
PB3
output pin
CS4
input pin
WUE3 input pin
Except when used as a data bus pin, this pin can always be used as the
WUE3 input pin.
The
CS4 input pin can only be used in mode 2 or 3 (EXPE = 0).
PB2/D2/
WUE2/
CS3
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 PB2DDR.
Operating
mode
Mode 1,
modes 2 and 3 (EXPE = 1)
Modes 2, 3
(EXPE = 0)
HI12E
—
Either cleared to 0
1
CS3E
—
1
ABW
0
1
——
PB2DDR
—
010
1
—
Pin function
D2
I/O pin
PB2
input pin
PB2
output pin
PB2
input pin
PB2
output pin
CS3
input pin
WUE2 input pin
Except when used as a data bus pin, this pin can always be used as the
WUE2 input pin.
The
CS3 input pin can only be used in mode 2 or 3 (EXPE = 0).



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