DS2156L+ Maxim Integrated Products, DS2156L+ Datasheet - Page 234
DS2156L+
Manufacturer Part Number
DS2156L+
Description
IC TXRX T1/E1/J1 1-CHIP 100-LQFP
Manufacturer
Maxim Integrated Products
Datasheet
1.DS2156L.pdf
(265 pages)
Specifications of DS2156L+
Function
Single-Chip Transceiver
Interface
E1, J1, T1, TDM, UTOPIA II
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
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power (watts)
-
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34.
34.1 T1 Mode
Figure 34-1. Receive-Side D4 Timing
Note 1: RSYNC in the frame mode (IOCR1.5 = 0) and double-wide frame sync is not enabled (IOCR1.6 = 0).
Note 2: RSYNC in the frame mode (IOCR1.5 = 0) and double-wide frame sync is enabled (IOCR1.6 = 1).
Note 3: RSYNC in the multiframe mode (IOCR1.5 = 1).
Note 4: RLINK data (Fs bits) is updated one bit prior to even frames and held for two frames.
Figure 34-2. Receive-Side ESF Timing
Note 1: RSYNC in frame mode (IOCR1.4 = 0) and double-wide frame sync is not enabled (IOCR1.6 = 0).
Note 2: RSYNC in frame mode (IOCR1.4 = 0) and double-wide frame sync is enabled (IOCR1.6 = 1).
Note 3: RSYNC in multiframe mode (IOCR1.4 = 1).
Note 4: ZBTSI mode disabled (T1RCR2.2 = 0).
Note 5: RLINK data (FDL bits) is updated one bit time before odd frames and held for two frames.
Note 6: ZBTSI mode is enabled (T1RCR2.2 = 1).
Note 7: RLINK data (Z bits) is updated one bit time before odd frames and held for four frames.
RFSYNC
FRAME#
RFSYNC
RSYNC
RLCLK
RSYNC
TLCLK
FRAME#
RSYNC
RSYNC
RSYNC
RSYNC
RLINK
RLINK
RLCLK
TLINK
FUNCTIONAL TIMING DIAGRAMS
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5
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4
3
1
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3
7
1
2
1
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3
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5
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6
7
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