DS21455 Maxim Integrated Products, DS21455 Datasheet - Page 229
DS21455
Manufacturer Part Number
DS21455
Description
Network Controller & Processor ICs Quad E1-T1-J1 Single -Chip Transceiver (S
Manufacturer
Maxim Integrated Products
Specifications of DS21455
Product
Framer
Number Of Transceivers
4
Data Rate
64 Kbps
Supply Voltage (max)
3.465 V
Supply Voltage (min)
3.135 V
Supply Current (max)
328 mA
Maximum Operating Temperature
+ 70 C
Minimum Operating Temperature
0 C
Mounting Style
SMD/SMT
Package / Case
BGA
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Figure 36-2. Receive Side ESF Timing
NOTES:
1) RSYNC in frame mode (IOCR1.4 = 0) and double-wide frame sync is not enabled (IOCR1.6 = 0).
2) RSYNC in frame mode (IOCR1.4 = 0) and double-wide frame sync is enabled (IOCR1.6 = 1).
3) RSYNC in multiframe mode (IOCR1.4 = 1).
4) ZBTSI mode disabled (T1RCR2.2 = 0).
5) RLINK data (FDL bits) is updated one bit time before odd frames and held for two frames.
6) ZBTSI mode is enabled (T1RCR2.2 = 1).
7) RLINK data (Z bits) is updated one bit time before odd frames and held for four frames.
FRAME#
RFSYNC
RSYNC
RLCLK
RSYNC
TLCLK
RSYNC
RLINK
TLINK
4
5
6
1
2
3
7
1
2
3
4
5
6
7
8
9 10 11 12
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2
3
4
5
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