參數(shù)資料
型號(hào): DS2176QIND
英文描述: Telecommunication IC
中文描述: 通信集成電路
文件頁(yè)數(shù): 4/12頁(yè)
文件大?。?/td> 713K
代理商: DS2176QIND
DS2174 Design Kit
4 of 12
SYSTEM CONNECTOR
A 50-pin system connector (J8) at the bottom of the board gives access to the following DS2174 signals: TCLK,
RCLK, TCLKO, RDAT0–RDAT7, TDAT0–TDAT7, TCLKE, RCLKE, SC_E (SCAN ENABLE), and SCAN. By using
jumpers to connect TCLK to RCLK, or RCLK to TCLKO, TDATX to RDATX, the system connector can also be used
to implement an external loopback for part development and verification. With this feature, you can quickly use this
design kit as a working prototype for your system.
Table 1
shows a representation of the system connector. Please
keep in mind signal names in relationship to the pin number on the connector. Due to the termination placement on
the telecom signals, the board’s silkscreen was moved below the connector.
Table 1. System Connector (J8)
PIN
NAME
PIN
50
48
46
44
42
40
38
36
34
32
30
28
26
24
22
20
18
16
14
12
10
8
6
4
2
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
TCLK
RCLK
TCLKO
RDAT0
TDAT0
RDAT1
TDAT1
RDAT2
TDAT2
RDAT3
TDAT3
RDAT4
TDAT4
RDAT5
TDAT5
RDAT6
TDAT6
RDAT7
TDAT7
TCLKE
RCLKE
SC_EN
SCAN
49
47
45
43
41
39
37
35
33
31
29
27
25
23
21
19
17
15
13
11
9
7
5
3
1
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