参数资料
型号: WJLXT388LEB2
厂商: CORTINA SYSTEMS INC
元件分类: 数字传输电路
英文描述: DATACOM, PCM TRANSCEIVER, PQFP100
封装: 14 X 14MM, ROHS COMPLIANT, LQFP-100
文件页数: 7/80页
文件大小: 1017K
代理商: WJLXT388LEB2
Dual T1/E1/J1 Transceiver — Intel
LXT388
Datasheet
15
36
37
RRING1
RTIP1
AI
Receive Ring.
Receive Tip.
42
43
RTIP2
RRING2
AI
Receive TIP.
Receive Ring.
48
49
RRING3
RTIP3
AI
Receive Ring.
Receive Tip.
Table 4.
Pin Assignments and Signal Descriptions - JTAG Port
Pin #
LQFP
Symbol
I/O
1
Description
76
AT2
AO
JTAG Analog Output Test Port 2.
77
AT1
AI
JTAG Analog Input Test Port 1.
72
TRST
JTAG Controller Reset. Input is used to reset the JTAG controller. TRST is pulled up
internally and may be left disconnected.
71
TMS
DI
JTAG Test Mode Select.
Used to control the test logic state machine. Sampled on rising
edge of TCK. TMS is pulled up internally and may be left disconnected.
69
TCK
DI
JTAG Clock. Clock input for JTAG. Connect to GND when not used.
73
TDO
DO
JTAG Data Output. Test Data Output for JTAG. Used for reading all serial configuration
and test data from internal test logic. Updated on falling edge of TCK.
70
TDI
DI
JTAG Data Input. Test Data input for JTAG. Used for loading serial instructions and data
into internal test logic. Sampled on rising edge of TCK. TDI is pulled up internally and may
be left disconnected.
1. DI: Digital Input; DO: Digital Output; DI/O: Digital Bidirectional Port; AI: Analog Input; AO: Analog Output S: Power Supply;
N.C.: Not Connected.
Table 3.
Pin Assignments and Signal Descriptions - Analog Interface (Continued)
Pin #
LQFP
Symbol
I/O
1
Description
1. DI: Digital Input; DO: Digital Output; DI/O: Digital Bidirectional Port; AI: Analog Input; AO: Analog Output S: Power Supply;
N.C.: Not Connected.
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