Rainbow Electronics DS3170 - Manual (Page 20)

DS3170 DS3/E3 Single-Chip Transceiver
20 of 233
6.2 DS3/E3 Unframed LIU Mode
The frame mode determines the CLAD clock rate, LIU mode and selects B3ZS or HDB3.
FRAME MODE FM[2:0]
DS3 Unframed 100
E3 Unframed 110
LIU MODE
LM[2:0] TZSD & RZSD
TLEN
PORT.CR2
JA Off, B3ZS or HDB3 001 0 0
JA RX, B3ZS or HDB3 010 0 0
JA TX, B3ZS or HDB3 011 0 0
JA Off, AMI 001 1 0
JA RX, AMI 010 1 0
JA TX, AMI 011 1 0
Figure 6-2. DS3/E3 Unframed LIU Mode
TDEN
RLCLK
RXP
RXN
TPOS
TNEG
TLCLK
DS3/E3
Transmit
LIU
IEEE P1149.1
JTAG Test
Access Port
D[
15:
0]
A[
8:
1]
AL
E
CS
RD
/DS
WR
/R
/W
Serial or Parallel
uP Inteface
JTD
O
JTC
LK
JTM
S
JT
D
I
JTR
ST
TXP
TXN
LL
B
DL
B
RSER
RCLKO
RDEN
DS3/E3
Receive
LIU
TAIS
TUA1
Clock Rate
Adapter
RE
F
C
LK
MOD
E
IN
T
GP
IO[8
:1
]
WID
T
H
RD
Y
TCLKO
PL
B
AL
B
UA1
GEN
RPOS
RNEG
RS
T
B3ZS/
HDB3
Encoder
B3ZS/
HDB3
Decoder
Serial Interface Mode:
SPI
A[
0]
/B
SW
A
P
SP
I
TCLKI
TSER
TX
BERT
RX
BERT
(SCLK, MOSI, and MISO)