DS21354LC1+ Maxim Integrated Products, DS21354LC1+ Datasheet - Page 100

• Manufacturer Part Number: DS21354LC1+
• Description: IC TXRX E1 3.3V 100-LQFP
• Manufacturer: Maxim Integrated Products

Specifications of DS21354LC1+

• Function: Single-Chip Transceiver
• Interface: E1, HDLC
• 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: Remote and AIS Alarm Detector / Generator
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power (watts): -

18.
18.1.
Figure 18-1. Receive-Side Timing
Figure 18-2. Receive-Side Boundary Timing (with Elastic Store Disabled)
RFSYNC
RSYNC
RSYNC
FRAM E#
RLCLK
RLINK
FUNCTIONAL TIMING DIAGRAMS
Receive
RCHBLK
NOTE 1: RSYNC IN FRAME MODE (RCR1.6 = 0).
NOTE 2: RSYNC IN MULTIFRAME MODE (RCR1.6 = 1).
NOTE 3: RLCLK IS PROGRAMMED TO OUTPUT JUST THE SA BITS.
NOTE 4: RLINK WILL ALWAYS OUTPUT ALL FIVE SA BITS AS WELL AS THE REST OF THE RECEIVE DATA STREAM.
NOTE 5: THIS DIAGRAM ASSUMES THE CAS MF BEGINS IN THE RAF FRAME.
RFSYNC
RCHCLK
RSYNC
RLINK
RLCLK
RSER
RCLK
RSIG
2
4
3
1
NOTE 1: RCHBLK IS PROGRAMMED TO BLOCK CHANNEL 1.
NOTE 2: RLCLK IS PROGRAMMED TO MARK THE SA4 BIT IN RLINK.
NOTE 3: SHOWN ISA RNAF FRAME BOUNDARY.
NOTE 4: RSIG NORMALLY CONTAINS THE CAS MULTIFRAME ALIGNMENT NIBBLE (0000) IN CHANNEL 1.
1
2
1
CHANNEL 32
CHANNEL 32
2
A
3
B
4
C
5
LSB
D
6
Si
1
7
100 of 124
A Sa4 Sa5 Sa6 Sa7 Sa8
8
Sa4 Sa5 Sa6 Sa7 Sa8
CHANNEL 1
CHANNEL 1
9
10 11 12 13 14 15 16 1
Note 4
MSB
CHANNEL 2
CHANNEL 2
A
B