Rainbow Electronics DS3170 - Manual (Page 19)

DS3170 DS3/E3 Single-Chip Transceiver
19 of 233
Figure 6-1. DS3/E3 Framed LIU Mode
TSOFO/TDEN
RLCLK
RXP
RXN
TPOS/TDAT
TNEG
TLCLK
DS3/E3
Transmit
LIU
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
JT
C
LK
JTM
S
JTD
I
JTR
S
T
HDLC FEAC
TXP
TXN
LL
B
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
DS3/E3
Receive
LIU
TAIS
TUA1
TO
H
E
N
Clock Rate
Adapter
RE
FCLK MO
DE IN
T
GP
IO
[8
:1
]
WI
D
T
H
RDY
TCLKO/TGCLK
PL
B
AL
B
UA1
GEN
RPOS/RDAT
RNEG/RCLV
RST
B3ZS/
HDB3
Encoder
B3ZS/
HDB3
Decoder
Serial Interface Mode:
SPI (SCLK, MOSI, and MISO)
A[
0]
/B
SW
A
P
SPI
TCLKI
TSER
TSOFI
TX
BERT
RX
BERT