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DS21348 データシートの表示(PDF) - Dallas Semiconductor -> Maxim Integrated

部品番号
コンポーネント説明
一致するリスト
DS21348
Dallas
Dallas Semiconductor -> Maxim Integrated Dallas
DS21348 Datasheet PDF : 73 Pages
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LOOP BACK CONTROL IN HARDWARE MODE Table 4-5
LOOPBACK
SYMBOL CONTROL BIT
LOOP1
Remote Loop Back
RLB
CCR6.6
1
Local Loop Back
LLB
CCR6.7
1
Analog Loop Back
ALB
CCR6.4
0
No Loop Back
-
-
0
DS21348/Q348
LOOP0
1
0
1
0
TRANSMIT DATA CONTROL IN HARDWARE MODE Table 4-6
TRANSMIT DATA
Transmit Unframed All Ones
SYMBOL CONTROL BIT
TX1
TX0
TUA1
CCR3.7
1
1
Transmit Alternating Ones and Zeros
TAOZ
CCR3.5
1
0
Transmit PRBS
TPRBSE
CCR3.4
0
1
TPOS and TNEG
-
-
0
0
RECEIVE SENSITIVITY SETTINGS Table 4-7
EGL
(CCR4.4)
ETS
(CCR1.7)
RECEIVE SENSITIVITY
0
0 (E1)
-12 dB (short haul)
1
0 (E1)
-43 dB (long haul)
1
1 (T1)
-30 dB (limited long haul)
0
1 (T1)
-36 dB (long haul)
MONITOR GAIN SETTINGS Table 4-8
MM1
(CCR5.5)
MM0
(CCR5.4)
0
0
0
1
1
0
1
1
INTERNAL LINEAR GAIN
BOOST (dB)
Normal operation (no boost)
20
26
32
INTERNAL RX TERMINATION SELECT Table 4-9
RT1
RT0
INTERNAL RECEIVE
(CCR5.1)
(CCR5.0)
TERMINATION CONFIGURATION
0
0
Internal receive-side termination disabled
0
1
Internal receive-side 120W enabled
1
0
Internal receive-side 100W enabled
1
1
Internal receive-side 75W enabled
MCLK SELECTION Table 4-10
MCLK
JAMUX
(CCR1.3)
2.048MHz
0
2.048MHz
1
1.544MHz
0
ETS
(CCR1.7)
0
1
1
20 of 73

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