DS3181 Maxim Integrated Products, DS3181 Datasheet - Page 31

• Manufacturer Part Number: DS3181
• Description: Network Controller & Processor ICs DS3-E3 ATM-Packet PH Y with Built-in Line
• Manufacturer: Maxim Integrated Products

Specifications of DS3181

• Product: Framer
• Number Of Transceivers: 1
• Data Rate: 44.736 Mbps
• Supply Voltage (max): 3.465 V
• Supply Voltage (min): 3.135 V
• Supply Current (max): 280 mA
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Package / Case: TEBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

6.6 DS3/E3 G.751 PLCP ATM Mode
DS3/E3 G.751 PLCP ATM mode is a normal mode of operation for the DS318x devices, which maps/demaps ATM
cells into/from the DS3/E3 PLCP data stream. Major functional blocks for the DS3/E3 ATM/Packet mode are shown
in
The PMCPE configuration bit is ignored when in PLCP mode and ATM cell processing is forced.
Table 6-6. DS3/E3 G.751 PLCP ATM 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 6-6. DS3/E3 G.751 PLCP ATM Mode
TOHMOn/
Figure
RLCLKn
RNEGn/
ROHMIn
TLCLKn
RPOSn/
TPOSn/
TNEGn/
RLCVn/
RDATn
TDATn
RXPn
RXNn
TXPn
TXNn
MODE
6-6. Mapping configuration is programmable on per-port basis and is shown in
Clock Rate
DS3/E3
Receive
Transmit
DS3/E3
Adapter
LIU
LIU
FM[5:0]
0XX100
0XX100
0XX100
0XX100
0XX100
0XX100
Decoder
Encoder
B3ZS/
HDB3
HDB3
B3ZS/
TUA1
TAIS
SIM[1:0]
GL.CR1
IEEE 1149.1
00
01
10
11
10
11
Access Port
JTAG Test
DS3 / E3
Transmit
Formatter
DS3 / E3
Receive
Framer
FEAC
PORT.CR2
HDLC
PMCPE
31
X
X
1
1
0
0
GEN
UA1
PLCP
TX
TRACE
TRAIL
RX PLCP
Processor
Processor
BERT
BERT
Rx Cell
Tx Cell
TX
RX
Microprocessor
Interface
Table
6-6.
FIFO
FIFO
Rx
Tx
Interface
System
n = port # (1-4)