參數(shù)資料
型號: XRT4000
廠商: Exar Corporation
英文描述: Universal Multiprotocol Serial Interface
中文描述: 通用多協(xié)議串行接口
文件頁數(shù): 9/46頁
文件大?。?/td> 396K
代理商: XRT4000
XRT4000
Rev. 1.00
- 9 -
Pin
#
88
Symbol
DTE
Mode
TXCB
DCE
Mode
TXCB
Type
Function
TR3B
I/O
DCE Mode
- Transmitter 3 - Positive Data Differential
Output to line
DTE Mode
- Receiver 3 - Positive Data Differential Input
from line
Analog GND
for Receiver 1, 2, 3
DTE Mode
- Receiver 3- Digital Data Output to equipment
DCE Mode
- Not used
Digital VDD
for Receiver 2, 3; Connect to +5V
Digital GND
for Receiver 2, 3
Receiver 2
- Digital Data Output to equipment
Analog VSS
for Receiver 1, 2, 3; Connect to -6V
Receiver 2
- Positive Data Differential Input from line
Receiver 2
- Negative Data Differential Input from line
Receiver 2
- Negative Data Differential Input from line
Receiver 2
- Positive Data Differential Input from line
Analog VDD
for Receiver 1, 2, 3; Connect to +5V
Receiver 1
- Digital Data Output to equipment
89
90
GND
RX3D
D_TXC
D_X
O
91
92
93
94
95
96
97
98
99
100
VDD
GND
RX2D
VSS
RX2B
RX2A
RX1A
RX1B
VDD
RX1D
D_RXC
D_SCTE
O
RXCB
RXCA
RXDA
RXDB
SCTEB
SCTEA
TXDA
TXDB
I
I
I
I
D_RXD
D_TXD
O
Note:
An asterisk (*) following a pin symbol indicates that the pin is active low.
Names begining with D_ are digital signals.
Names ending with B and A are the positive and negative polarities of differential signals respectively.
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