DS3163 Maxim Integrated Products, DS3163 Datasheet - Page 29

• Manufacturer Part Number: DS3163
• Description: IC TRPL ATM/PACKET PHY 400-PBGA
• Manufacturer: Maxim Integrated Products

Specifications of DS3163

• Applications: *
• Mounting Type: Surface Mount
• Package / Case: 400-BGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

6.5 DS3/E3 Flexible External Fractional (Subrate) Mode Configuration Mode
DS3/E3 Flexible External Fractional Mode allows subrate datastreams to be inserted into a DS3 or E3 line, with the
fractional overhead and payload externally multiplexed. Major functional blocks for the DS3/E3 Flexible External
Fractional Mode are shown in
Table
The “-OHM” modes are not allowed in fractional framing modes since the user cannot distinguish between internal
framing overhead and external framing overhead bit locations.
Table 6-5. DS3/E3 Flexible External Fractional (Subrate) Mode Configuration Registers
UTOPIA L2 ATM
UTOPIA L3 ATM
POS-PHY L2 ATM
POS-PHY L3 ATM
POS-PHY L2 Packet
POS-PHY L3 Packet
Figure 6-5. DS3/E3 Flexible External Fractional Mode
6-5.
TOHMOn/
RLCLKn
RNEGn/
ROHMIn
TNEGn/
TLCLKn
RLCVn/
TPOSn/
RPOSn/
RDATn
TDATn
MODE
Clock Rate
Adapter
FM[5:0]
0XX110
0XX110
0XX110
0XX110
0XX110
0XX110
Decoder
Encoder
B3ZS/
B3ZS/
HDB3
HDB3
Figure
TUA1
TAIS
6-5. Mapping configuration is programmable on per port basis and is shown in
SIM[1:0]
GL.CR1
IEEE P1149.1
Access Port
JTAG Test
FEAC
00
01
10
11
10
11
Formatter
DS3 / E3
DS3 / E3
Transmit
Receive
Framer
Trace
Buffer
Trail
HDLC
PORT.CR2
PMCPE
GEN
UA1
X
X
1
1
0
0
RX BERT
TX BERT
Rx Packet
Processor
Tx Packet
Processor
Processor
Processor
Tx Cell
Rx Cell
Microprocessor
Interface
FIFO
FIFO
Tx
Rx
Interface
n = port # (1-4)
System