DS21455 Maxim Integrated Products, DS21455 Datasheet - Page 93
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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17. SIGNALING OPERATION
There are two methods to access receive signaling data and provide transmit signaling data: processor-
based (i.e., software-based) or hardware-based. Processor-based refers to access through the transmit and
receive signaling registers, RS1–RS16 and TS1–TS16. Hardware-based refers to the TSIG and RSIG
pins. Both methods can be used simultaneously.
17.1 Receive Signaling
Figure 17-1. Simplified Diagram of Receive Signaling Path
RECEIVE SIGNALING
CHANGE OF STATE
T1/E1 DATA STREAM
EXTRACTION
REGISTERS
SIGNALING
INDICATION
REGISTERS
93 of 270
ONES
ALL
RE-INSERTION
SIGNALING
CONTROL
BUFFERS
PER-CHANNEL
CONTROL
RSER
RSYNC
RSIG
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