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AT90SCR100 bảng dữ liệu(PDF) 359 Page - ATMEL Corporation

tên linh kiện AT90SCR100
Giải thích chi tiết về linh kiện  8-bit Microcontroller for Smart Card Readers
PDF  433 Pages
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nhà sản xuất  ATMEL [ATMEL Corporation]
Trang chủ  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT90SCR100 bảng dữ liệu(HTML) 359 Page - ATMEL Corporation

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359
TPR0327AY–SMS–30Jan09
AT90SCR100
Figure 27-4.
General Port Pin Schematic Diagram
27.6.2
Scanning the RESET Pin
The RESET pin accepts 5V active low logic for standard reset operation. An observe-only cell as
shown in Figure 27-5 is inserted for the 5V reset signal.
Figure 27-5.
Observe-only Cell
CLK
RPx
RRx
WRx
RDx
WDx
PUD
SYNCHRONIZER
WDx:
WRITE DDRx
WRx:
WRITE PORTx
RRx:
READ PORTx REGISTER
RPx:
READ PORTx PIN
PUD:
PULLUP DISABLE
CLK
:
I/O CLOCK
RDx:
READ DDRx
D
L
Q
Q
RESET
RESET
Q
Q
D
Q
Q
D
CLR
PORTxn
Q
Q
D
CLR
DDxn
PINxn
SLEEP
SLEEP:
SLEEP CONTROL
Pxn
I/O
I/O
See Boundary-scan
Description for Details!
PUExn
OCxn
ODxn
IDxn
PUExn:
PULLUP ENABLE for pin Pxn
OCxn:
OUTPUT CONTROL for pin Pxn
ODxn:
OUTPUT DATA to pin Pxn
IDxn:
INPUT DATA from pin Pxn
0
1
DQ
From
Previous
Cell
ClockDR
ShiftDR
To
Next
Cell
From System Pin
To System Logic
FF1



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