Rainbow Electronics DS3170 - Manual (Page 23)

DS3170 DS3/E3 Single-Chip Transceiver
23 of 233
6.5 DS3/E3 Framed UNI 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
Unipolar Mode 1XX X 1
Figure 6-5. DS3/E3 Framed UNI Mode
TSOFO/TDEN
RLCLK
TDAT
TLCLK
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
JTDO
JTCL
K
JTM
S
JTD
I
JTRS
T
HDLC FEAC
LLB DL
B
DS3 / E3
Transmit
Formatter
DS3 / E3
Receive
Framer
Trail
Trace
Buffer
ROH
RO
HCL
K
RO
HSO
F
TOH TOH
C
LK
TOH
S
OF
RSER
RCLKO/RGCLK
RSOFO/RDEN
TAIS
TUA1
TOH
E
N
Clock Rate
Adapter
RE
FCLK MODE
INT
G
P
IO
[8
:1]
WI
DT
H
RD
Y
TCLKO/TGCLK
PL
B
AL
B
UA1
GEN
RDAT
RLCV
RS
T
Serial Interface Mode:
SPI
A[
0]
/B
SWA
P
SP
I
TCLKI
TSER
TSOFI
TX
BERT
RX
BERT
(SCLK, MOSI, and MISO)