参数资料
型号: WJLXT384LEB1
厂商: INTEL CORP
元件分类: 数字传输电路
英文描述: DATACOM, PCM TRANSCEIVER, PQFP144
封装: 20 X 20MM, ROHS COMPLIANT, LQFP-144
文件页数: 55/140页
文件大小: 1514K
代理商: WJLXT384LEB1
21
Document Number: 248994
Revision Number: 005
Revision Date: November 28, 2005
Intel LXT384 Octal T1/E1/J1 S/H PCM Transceiver with JA
4.2
Framer/Mapper I/O Pins
Depending on the state of a UBS7:0 pin, both the corresponding receiver and transmitter pins are
automatically set for either bipolar I/O or unipolar I/O. When a UBS pin is connected:
Low, bipolar I/O is selected.
High for more than 16 consecutive MCLK clock cycles, unipolar I/O is selected.
Note:
For a description of operating in bipolar or unipolar mode, see Section 5.3.1, “Bipolar vs. Unipolar
Table 5 lists LXT384 Transceiver receiver pins that have different names and functions depending
on the I/O mode selected.
Table 5.
Receiver Bipolar/Unipolar I/O Signal Functions
Pins
Balls
Bipolar I/O Signal Functions
Unipolar I/O Signal Functions
141
4
105
112
69
76
34
41
A3
C3
C12
A12
P12
M12
M3
P3
RNEG7
RNEG6
RNEG5
RNEG4
RNEG3
RNEG2
RNEG1
RNEG0
Receive negative data
output
BPV7
BPV6
BPV5
BPV4
BPV3
BPV2
BPV1
BPV0
Detect bipolar violations output
142
5
104
111
70
77
33
40
A2
C2
C13
A13
P13
M13
M2
P2
RPOS7
RPOS6
RPOS5
RPOS4
RPOS3
RPOS2
RPOS1
RPOS0
Receive positive data
output
RDATA7
RDATA6
RDATA5
RDATA4
RDATA3
RDATA2
RDATA1
RDATA0
Receive data output
143
6
103
110
71
78
32
39
A1
C1
C14
A14
P14
M14
M1
P1
RCLK7
RCLK6
RCLK5
RCLK4
RCLK3
RCLK2
RCLK1
RCLK0
Receive clock output
RCLK7
RCLK6
RCLK5
RCLK4
RCLK3
RCLK2
RCLK1
RCLK0
Receive clock output
相关PDF资料
PDF描述
WJLXT384LEB1 DATACOM, PCM TRANSCEIVER, PQFP144
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WJLXT385LEB1 DATACOM, PCM TRANSCEIVER, PQFP144
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