DS21552L+ Maxim Integrated Products, DS21552L+ Datasheet - Page 61
DS21552L+
Manufacturer Part Number
DS21552L+
Description
IC TXRX T1 1-CHIP 5V 100-LQFP
Manufacturer
Maxim Integrated Products
Datasheet
1.DS21352L.pdf
(137 pages)
Specifications of DS21552L+
Function
Single-Chip Transceiver
Interface
E1, HDLC, J1, T1
Number Of Circuits
1
Voltage - Supply
4.75 V ~ 5.25 V
Current - Supply
75mA
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
100-LQFP
Includes
DSX-1 and CSU Line Build-Out Generator, HDLC Controller, In-Band Loop Code Generator and Detector
Product
Framer
Number Of Transceivers
1
Data Rate
64 Kbps
Supply Voltage (max)
3.465 V
Supply Voltage (min)
3.135 V
Supply Current (max)
75 mA (Typ)
Maximum Operating Temperature
+ 70 C
Minimum Operating Temperature
0 C
Mounting Style
SMD/SMT
Ic Interface Type
Parallel, Serial
Supply Voltage Range
4.75V To 5.25V
Operating Temperature Range
0°C To +70°C
Digital Ic Case Style
LQFP
No. Of Pins
100
Filter Terminals
SMD
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power (watts)
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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TC1 TO TC24: TRANSMIT CHANNEL REGISTERS (Address=50 to 57 and 40
to 4F Hex)
(for brevity, only channel one is shown; see Table 5-1 for other register address)
TCC1/TCC2/TCC3: TRANSMIT CHANNEL CONTROL REGISTER (Address=16
to 18 Hex)
11.2 RECEIVE SIDE CODE GENERATION
In the receive direction there are also two methods by which channel data to the backplane can be
overwritten with data generated by the framer. The first method which is covered in Section 11.2.1 was a
feature contained in the original DS2151 while the second method which is covered in Section 11.2.2 is a
new feature of the DS2152/352/552.
(MSB)
(MSB)
CH16
CH24
SYMBOL
SYMBOL
CH8
C7
CH24
CH1
C7
C0
CH15
CH23
CH7
C6
POSITION
POSITION
TCC3.7
TCC1.0
TC1.7
TC1.0
CH14
CH22
CH6
C5
NAME AND DESCRIPTION
NAME AND DESCRIPTION
Transmit Channel 24 Code Insertion Control Bit
0=do not insert data from the TC24 register into the transmit data stream
1 = insert data from the TC24 register into the transmit data stream
Transmit Channel 1 Code Insertion Control Bit
0=do not insert data from the TC1 register into the transmit data stream
1 = insert data from the TC1 register into the transmit data stream
MSB of the Code (this bit is transmitted first)
LSB of the Code (this bit is transmitted last)
CH13
CH21
CH5
C4
CH12
CH20
CH4
C3
61 of 137
CH11
CH19
CH3
C2
CH10
CH18
CH2
C1
(LSB)
(LSB)
CH17
CH1
CH9
C0
TCC1 (16)
TCC2 (17)
TCC3 (18)
TC1 (50)
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