DS21Q50L-W+ Maxim Integrated Products, DS21Q50L-W+ Datasheet - Page 48
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DS21Q50L-W+
Manufacturer Part Number
DS21Q50L-W+
Description
TXRX E1 QUAD CLK/DATA 100LQFP
Manufacturer
Maxim Integrated Products
Datasheet
1.DS21Q50L.pdf
(87 pages)
Specifications of DS21Q50L-W+
Function
Transceiver
Interface
E1
Number Of Circuits
4
Voltage - Supply
3.14 V ~ 3.47 V
Current - Supply
230mA
Mounting Type
Surface Mount
Package / Case
100-LFQFP
Includes
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power (watts)
-
Operating Temperature
-
Other names
90-21Q50+LW0
- Current page: 48 of 87
- Download datasheet (771Kb)
11.
The transmit idle registers (TIR1/2/3/4) determine which of the 32 E1 channels should be overwritten
with the code placed in the transmit idle-definition register (TIDR). This allows the same 8-bit code to be
placed into any of the 32 E1 channels.
Each of the bit positions in the TIRs represents a DS0 channel in the outgoing frame. When these bits are
set to 1, the corresponding channel transmits the idle code contained in the TIDR.
Register Name:
Register Description:
Register Address:
Bit
Name
Name
Name
Name
Register Name:
Register Description:
Register Address:
Bit
Name
CH1 to CH32
NAME
TIDR7
TIDR6
TIDR5
TIDR4
TIDR3
TIDR2
TIDR1
TIDR0
NAME
IDLE CODE INSERTION
TIDR7
CH16
CH24
CH32
CH8
7
7
BIT
TIR1.0 to 4.7
7
6
5
4
3
2
1
0
TIDR6
CH15
CH23
CH31
CH7
6
6
BIT
TIR1, TIR2, TIR3, TIR4
Transmit Idle Registers
24 Hex, 25 Hex, 26 Hex, 27 Hex
TIDR
Transmit Idle Definition Register
23 Hex
MSB of the idle code (this bit is transmitted first)
LSB of the idle code (this bit is transmitted last)
TIDR5
CH14
CH22
CH30
CH6
5
5
Transmit Idle Code-Insertion Control Bits
0 = do not insert the idle code in the TIDR into this channel
1 = insert the idle code in the TIDR into this channel
TIDR4
CH13
CH21
CH29
CH5
4
4
48 of 87
TIDR3
FUNCTION
CH12
CH20
CH28
CH4
3
3
FUNCTION
TIDR2
CH11
CH19
CH27
CH3
2
2
TIDR1
CH10
CH18
CH26
CH2
1
1
TIDR0
CH17
CH25
CH1
CH9
0
0
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