DS3170 Maxim Integrated Products, DS3170 Datasheet - Page 22

• Manufacturer Part Number: DS3170
• Description: Network Controller & Processor ICs DS3-E3 Single-Chip T ransceiver T3-E3 Fra
• Manufacturer: Maxim Integrated Products

7.4 DS3/E3 Unframed POS/NEG Mode
The frame mode determines the CLAD clock rate if used as the transmit clock and selects B3ZS or HDB3.
FRAME MODE
DS3 Unframed
E3 Unframed
LIU MODE
LIU Off, B3ZS or HDB3
LIU Off, AMI
Figure 7-4. DS3/E3 Unframed POS/NEG Mode
RLCLK
RNEG
TLCLK
RPOS
TPOS
TNEG
Clock Rate
Adapter
SPI
Serial Interface Mode:
(SCLK, MOSI, and MISO)
FM[2:0]
LM[2:0]
100
110
000
000
Decoder
Encoder
HDB3
B3ZS/
B3ZS/
HDB3
Serial or Parallel
TZSD & RZSD
uP Inteface
TUA1
TAIS
0
1
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TLEN
PORT.CR2
1
1
GEN
UA1
DS3170 DS3/E3 Single-Chip Transceiver
IEEE P1149.1
JTAG Test
Access Port
BERT
BERT
RX
TX
TCLKO
TCLKI
TSER
TDEN
RCLKO
RSER
RDEN