DS21458-W+ Maxim Integrated, DS21458-W+ Datasheet - Page 79
DS21458-W+
Manufacturer Part Number
DS21458-W+
Description
Network Controller & Processor ICs
Manufacturer
Maxim Integrated
Datasheet
1.DS21458-W.pdf
(269 pages)
Specifications of DS21458-W+
Product
Framer
Number Of Transceivers
4
Data Rate
64 Kbps
Supply Current (max)
328 mA
Maximum Operating Temperature
+ 70 C
Mounting Style
SMD/SMT
Package / Case
CSBGA
Minimum Operating Temperature
0 C
Operating Supply Voltage
3.3 V
Supply Voltage - Max
3.465 V
Supply Voltage - Min
3.135 V
Part # Aliases
90-21458+W00
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Bit #
Name
Default
Bit 0/RSYSCLK Mode Select (RSCLKM).
Bit 1/TSYSCLK Mode Select (TSCLKM).
Bit 2/H.100 SYNC Mode (H100EN).
Bit 3/TSSYNC Invert (TSSYNCINV).
Bit 4/TSYNC Invert (TSYNCINV).
Bit 5/RSYNC Invert (RSYNCINV).
Bit 6/TCLK Invert (TCLKINV).
Bit 7/RCLK Invert (RCLKINV).
Register Name:
Register Description:
Register Address:
0 = if RSYSCLK is 1.544MHz
1 = if RSYSCLK is 2.048MHz or IBO enabled (See the Interleaved PCM Bus Operation section.)
0 = if TSYSCLK is 1.544MHz
1 = if TSYSCLK is 2.048/4.096/8.192MHz or IBO enabled (See the Interleaved PCM Bus Operation section.)
0 = normal operation
1 = SYNC shift
0 = no inversion
1 = invert
0 = no inversion
1 = invert
0 = no inversion
1 = invert
0 = no inversion
1 = invert
0 = no inversion
1 = invert
RCLKINV
7
0
IOCR2
I/O Configuration Register 2
02h
TCLKINV
6
0
RSYNCINV
5
0
TSYNCINV
79 of 269
4
0
TSSYNCINV
DS21455/DS21458 Quad T1/E1/J1 Transceivers
3
0
H100EN
2
0
TSCLKM
1
0
RSCLKM
0
0
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