Rainbow Electronics DS26519 - Manual (Page 19)

DS26519 16-Port T1/E1/J1 Transceiver
19 of 310
Figure 7-2. Detailed Block Diagram
CLOCK
SYNTHESIZ-
ER
MICROPROCESSOR
INTERFACE
JTAG
PORT
RESET
BLOCK
A
[13:
0]
D
[7:
0]
CS
B RD
B/
D
S
B
WR
B/R
WB BTS IN
TB
JTD
I
JTM
S
JTC
L
K
JTD
O
JTR
ST
RESETB
MCLK
RCHBLK/CLKn
TCHBLK/CLKn
TCLKn
TSERn
TSYNCn
TSYSCLKn
RSYSCLKn
RSYNCn
RSERn
RCLKn
BPCLK1
REFCLKIO
TSSYNCIO
(Output Mode)
TTIPn
TRINGn
RRINGn
RTIPn
TSSYNCIO
(Input Mode)
Serial Interface Mode:
SPI (SCLK, CPOL, CPHA,
SWAP, MOSI, and MISO)
RSIGn
RM/RFSYNCn
GPIOn
TSIGn
PRE-SCALER
PLL
SPI
_SEL
RTIPEn
BPCLK2
CLK
O
TRANSMIT
LIU
Waveform
Shaper/Line
Driver
RECEIVE
LIU
Clock/Data
Recovery
JI
TT
E
R
ATTENUA
TO
R
TR
AN
SM
IT
E
N
ABLE
Tx
BERT
Rx
BERT
Tx
HDLC
Rx
HDLC
Tx FRAMER:
S
ystem IF
B8ZS/
HDB3
Encode
Elastic
Store
Rx FRAMER:
System IF
B8ZS/
HDB3
Decode
Elastic
Store
AL
B
LLB
FLB
RL
B
PL
B
DS26519
TRANSCEIVER 1 OF 16
BA
CK
PLA
N
E
INTE
RFACE