Rainbow Electronics DS3170 - Manual (Page 21)

DS3170 DS3/E3 Single-Chip Transceiver
21 of 233
6.3 DS3/E3 Framed POS/NEG Mode
FRAME MODE FM[2:0]
DS3 C-bit Framed 000
DS3 M23 Framed 001
E3 G.751 Framed 010
E3 G.832 Framed 011
LIU MODE
LM[2:0] TZSD & RZSD
TLEN
PORT.CR2
LIU Off, B3ZS or HDB3 000 0 1
LIU Off, AMI 000 1 1
Figure 6-3. DS3/E3 Framed POS/NEG Mode
TSOFO/TDEN
RLCLK
TPOS
TNEG
TLCLK
IEEE P1149.1
JTAG Test
Access Port
D
[15:
0]
A[
8:
1]
ALE
CS
RD
/DS
WR
/R
/W
Serial or Parallel
uP Inteface
JTD
O
JTC
LK
JTM
S
JTD
I
JTR
ST
HDLC FEAC
LLB DL
B
DS3 / E3
Transmit
Formatter
DS3 / E3
Receive
Framer
Trail
Trace
Buffer
RO
H
ROHCLK ROHSO
F
TO
H
TO
H
C
LK
TO
H
S
O
F
RSER
RCLKO/RGCLK
RSOFO/RDEN
TAIS
TUA1
TO
H
E
N
Clock Rate
Adapter
RE
FCLK MOD
E
IN
T
GP
IO[8
:1
]
WI
D
T
H
RDY
TCLKO/TGCLK
PL
B
AL
B
UA1
GEN
RPOS
RNEG
RST
B3ZS/
HDB3
Encoder
B3ZS/
HDB3
Decoder
Serial Interface Mode:
SPI
A[
0]
/B
SW
AP
SPI
TCLKI
TSER
TSOFI
TX
BERT
RX
BERT
(SCLK, MOSI, and MISO)