參數(shù)資料
型號(hào): DS21Q59L+
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 19/76頁(yè)
文件大小: 0K
描述: IC TXRX E1 QUAD 3.3V 100LQFP
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 90
功能: 收發(fā)器
接口: E1
電路數(shù): 4
電源電壓: 3.14 V ~ 3.47 V
電流 - 電源: 230mA
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 100-LQFP
供應(yīng)商設(shè)備封裝: 100-LQFP(14x14)
包裝: 托盤
包括: AIS 警報(bào)檢測(cè)器和發(fā)生器,回送功能,PRBS 發(fā)生器 / 檢測(cè)器,遠(yuǎn)程檢測(cè)器和發(fā)生器
產(chǎn)品目錄頁(yè)面: 1429 (CN2011-ZH PDF)
DS21Q59 Quad E1 Transceiver
26 of 76
Register Name:
CCR7
Register Description:
Common Control Register 7
Register Address:
1F Hex
Bit:
7
6
5
4
3
2
1
0
Name:
136S
ALB
TG703
NAME
BIT
FUNCTION
7
Unused. Should be set = 0 for proper operation.
6
Unused. Should be set = 0 for proper operation.
5
Unused. Should be set = 0 for proper operation.
4
Unused. Should be set = 0 for proper operation.
136S
3
1:1.36 Transformer Select
0 = 1:2 transmit transformer
1 = 1:1.36 or 1:1.6 transmit transformer (see table below for details)
ALB
2
Analog Loopback. Setting this bit internally connects TTIP and TRING to
RTIP and RRING. The external signal at the RTIP and RRING pins is
ignored.
1
Unused. Should be set = 0 for proper operation.
TG703
0
Transmit G.703. This control bit works with CCR5.5 to select G.703
functionality on the transmitter and receiver (Table 8-B). These bits
determine whether the line receiver and transmitter should receive/
transmit a normal E1 signal (Section 6 of G.703) or a 2.048MHz
synchronization signal (Section 10 of G.703).
136S
L2
L1
L0
APPLICATION
TRANSFORMER
1:1.6
TRANSFORMER
1:1.36
1
0
75
W
Rt = 0
W
N.M.
1
0
1
120
W
Rt = 0
W
N.M.
1
0
1
0
75
W
Rt = 2.7
W
Rt = 0
W
1
0
1
120
W
Rt = 3.3
W
Rt = 0
W
1
0
N.M.
1
0
1
N.M.
1
0
N.M.
1
N.M.
N.M. = Not meaningful
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