6 block diagrams, Block diagrams, Figure 6-1. main block diagram – Maxim Integrated DS33R11 User Manual
Page 20
DS33R11 Ethernet Mapper with Integrated T1/E1/J1 Transceiver
20 of 344
6 BLOCK DIAGRAMS
Figure 6-1. Main Block Diagram
TTIP
TRING
RTIP
RRING
SYSCLKI
(RMII MODE)
RXD[0:1]
RX_CLK
CRS_DV
RX_ERR
REF_CLK
REF_CLKO
TX_EN
TXD[0:1]
MDC
MDIO
MCLK
TDCLKI
TDCLKO
TPOSI
TPOSO
TNEGI
TNEGO
TCHBLK
TCHCLK
TCLKT
TSERI
TSERO
TCLKE
TDEN
J
T
AG Pin
s
LIUC
RDCLKI
RDCLKO
RPOSI
RPOSO
RNEGI
RNEGO
RCHBL
K
RCHCL
K
RCLKO
RSERO
RSERI
RCLKI
RDEN
TRANSMIT
LIU
RECEIVE
LIU
TRANSMIT
FRAMER
RECEIVIE
FRAMER
ETHERNET MAC
μP Port
SDRAM PORT
C
ST
C
S
A0-A9
D0-D7
W
R
R
D
INT
SDC
S
SRA
S
SCA
S
SW
E
SBA[0:1]
SDATA[0:32]
SDMASK[0:4
]
SDCL
K
J
T
AG
Pins
ARBITER
CIR
CONTROLLER
PACKET
HDLC/X.86
PACKET
HDLC/X.86
ETHERNET
MAPPER
T1/E1/J1
TRANSCEIVER
TRANSMIT
SERIAL
PORT
RECEIVE
SERIAL
PORT
JTAG2
JTAG1
CLAD
MUX
MUX
CLAD
BERT
BERT
HDLC
HDLC
NOTE: SOME PINS NOT SHOWN. THE BLOCK IN THE DIAGRAM LABELED “T1/E1/J1 TRANSCEIVER” IS
DIVIDED INTO THREE FUNCTIONAL BLOCKS: LIU, FRAMER, AND BACKPLANE INTERFACE OUTLINED IN
THE FOLLOWING DIAGRAMS.