DS21455 Maxim Integrated Products, DS21455 Datasheet - Page 240
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 36-13. Receive Side Boundary Timing, RSYSCLK = 1.544MHz
(With Elastic Store Enabled)
NOTES:
1) Data from the E1 channels 1, 5, 9, 13, 17, 21, 25, and 29 is dropped (channel 2 from the E1 link is
2) RSYNC in the output mode (IOCR1.4 = 0).
3) RSYNC in the input mode (IOCR1.4 = 1).
4) RCHBLK is programmed to block channel 24.
mapped to channel 1 of the T1 link, etc.) and the F-bit position is added (forced to one).
RCHBLK
RSYSCLK
RMSYNC
RCHCLK
RSYNC
RSYNC
RSER
3
1
2
4
CHANNEL 23/31
LSB
MSB
240 of 270
CHANNEL 24/32
LSB
F
MSB
CHANNEL 1/2
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