DS2155L+ Maxim Integrated Products, DS2155L+ Datasheet - Page 214
DS2155L+
Manufacturer Part Number
DS2155L+
Description
IC TXRX T1/E1/J1 1-CHIP 100-LQFP
Manufacturer
Maxim Integrated Products
Datasheet
1.DS2155L.pdf
(238 pages)
Specifications of DS2155L+
Function
Single-Chip Transceiver
Interface
E1, HDLC, J1, T1
Number Of Circuits
1
Voltage - Supply
3.14 V ~ 3.47 V
Current - Supply
75mA
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
100-LQFP
Includes
BERT Generator and Detector, CMI Coder and Decoder, HDLC Controller
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
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power (watts)
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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Figure 35-13. Receive-Side Boundary Timing, RSYSCLK = 1.544MHz (Elastic
Store Enabled)
Note 1: Data from the E1 channels 1, 5, 9, 13, 17, 21, 25, and 29 is dropped (channel 2 from the E1 link is mapped to channel 1 of the T1 link,
Note 2: RSYNC in the output mode (IOCR1.4 = 0).
Note 3: RSYNC in the input mode (IOCR1.4 = 1).
Note 4: RCHBLK is programmed to block channel 24.
Figure 35-14. Receive-Side Boundary Timing, RSYSCLK = 2.048MHz (Elastic
Store Enabled)
Note 1: RSYNC is in the output mode (IOCR1.4 = 0).
Note 2 : RSYNC is in the input mode (IOCR1.4 = 1).
Note 3: RCHBLK is programmed to block channel 1.
Note 4: RSIG normally contains the CAS multiframe alignment nibble (0000) in channel 1.
etc.) and the F-bit position is added (forced to on 1).
RCHBLK
RSYSCLK
RSYSCLK
RCHBLK
RMSYNC
RCHCLK
RMSYNC
RSYNC
RSYNC
RCHCLK
RSYNC
RSYNC
RSER
RSER
RSIG
3
1
2
4
2
1
3
CHANNEL 23/31
CHANNEL 31
A
CHANNEL 31
B
LSB
C
MSB
LSB MSB
D
214 of 238
CHANNEL 24/32
CHANNEL 32
A
CHANNEL 32
B
LSB
C
F
LSB MSB
D
MSB
CHANNEL 1/2
CHANNEL 1
CHANNEL 1
Note 4
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