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參數(shù)資料
| 型號： | SCAN16512SM |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | Low Voltage Universal 16-bit IEEE 1149.1 Bus Transceiver with TRI-STATE Outputs |
| 中文描述： | LINE TRANSCEIVER, PBGA64 |
| 封裝： | BGA-64 |
| 文件頁數(shù)： | 2/10頁 |
| 文件大?。?/td> | 160K |
| 代理商： | SCAN16512SM |
Pin Descriptions
Pin
Name
Description
A1
0
-A1
7
,
A2
0
-A2
7
B1
0
-B1
7
,
B2
0
-B2
7
CLKAB
1
,
CLKBA
1
,
CLKAB
2
,
CLKBA
2
GND
V
CC
LEAB
1
,
LEBA
1
,
LEAB
2
,
LEBA
2
OEAB
1
,
OEBA
1
,
OEAB
2
,
OEBA
2
TDO
Normal-function A-bus I/O ports. See function table for normal-mode logic.
Normal-function B-bus I/O ports. See function table for normal-mode logic.
Normal-function clock inputs.See function table for normal-mode logic.
Ground
Supply Voltage
Normal-function latch enables. See function table for normal-mode logic.
Normal-function output enables. See function table for normal-mode logic.
The Test Data Output to support IEEE Std 1149.1-1990. TDO is the serial output for shifting data through
the instruction register or selected data register.
The Test Mode Select input to support IEEE Std 1149.1-1990. TMS directs the device through it’s TAP
controller states. An internal pull-up forces TMS high if left unconnected.
The Test Clock input to support IEEE Std 1149.1-1990. Test operations of the device are synchronous to
TCK. Data is captured on the rising edge of TCK and outputs change on the falling edge of TCK.
The Test Data Input to support IEEE Std 1149.1-1990. TDI is the serial input to shift data through the
instruction register or the selected data register. An internal pull-up resistor forces TDI high if left
unconnected.
The Test Reset Input to support IEEE Std 1149.1-1990. TRST is the asynchronous reset pin which will
force the TAP controller to it’s initialization state when active. An internal pullup resistor forces TRST high if
left unconnected.
TMS
TCK
TDI
TRST
BGA Pinout
1
2
3
4
5
6
7
8
A
B
C
D
E
F
G
H
A1
0
A1
1
TRST
TMS
TCK
CLKBA
1
B1
1
B1
0
A1
2
A1
3
A1
4
A1
5
LEAB
1
V
CC
V
CC
OEBA
1
B1
5
B1
4
A1
6
A1
7
OEAB
1
GND
V
CC
GND
B1
7
B1
6
A2
0
A2
1
GND
V
CC
GND
N/C
B2
1
B2
0
A2
2
A2
3
A2
4
A2
5
LEAB
2
TDI
N/C
LEBA
2
B2
5
B2
4
A2
6
A2
7
OEAB
2
TDO
V
CC
OEBA
2
B2
7
B2
6
CLKAB
1
GND
GND
LEBA
1
B1
3
B1
2
CLKAB
2
GND
GND
CLKBA
2
B2
3
B2
2
S
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