WBLXT9785EHC.D0 Intel, WBLXT9785EHC.D0 Datasheet - Page 83
WBLXT9785EHC.D0
Manufacturer Part Number
WBLXT9785EHC.D0
Description
Manufacturer
Intel
Datasheet
1.WBLXT9785EHC.D0.pdf
(221 pages)
Specifications of WBLXT9785EHC.D0
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LXT9785/LXT9785E
Datasheet
249241, Revision 11.0
16 April 2007
Table 25
Table 26
Cortina Systems
SMII/SS-SMII Common Signal Descriptions – BGA23
SMII Specific Signal Descriptions – BGA23
®
1. Type Column Coding: I = Input, O = Output, OD = Open Drain output, ST = Schmitt Triggered input, TS =
2. The IP/ID resistors are disabled during H/W Power-Down mode.
1. Type Column Coding: I = Input, O = Output, OD = Open Drain output, ST = Schmitt Triggered input, TS =
2. The IP/ID resistors are disabled during H/W Power-Down mode.
3. RxData[0:7] outputs are three-stated in Isolation and hardware power-down modes and during hardware
BGA23
BGA23
LXT9785 and LXT9785E Advanced 8-Port 10/100 Mbps PHY Transceivers
A11,
B13,
D13,
A13,
B14,
C15,
C16
E14
E12
E16
C3,
D8,
C2,
D9,
E2,
B5,
E6,
A6,
A3,
B6,
Designation
Designation
Three-State-able output, SL = Slew-rate Limited output, IP = weak Internal Pull-up, ID = weak Internal pull-
Down.
Three-State-able output, SL = Slew-rate Limited output, IP = weak Internal Pull-up, ID = weak Internal pull-
Down.
reset.
Ball/Pin
Pin/Ball
PQFP
PQFP
203
204
206
198
61
52
42
34
22
13
44
35
55
46
37
28
16
4
6
8
REFCLK0
REFCLK1
TxData0
TxData1
TxData2
TxData3
TxData4
TxData5
TxData6
TxData7
Symbol
RxData0
RxData1
RxData2
RxData3
RxData4
RxData5
RxData6
RxData7
Symbol
SYNC0
SYNC1
Type
I, ID
Type
O, TS
I
I, ID
1
1
Signal Description
Transmit Data - Ports 0-7.
These serial input streams provide data to be transmitted to
the network. The LXT9785/LXT9785E clocks the data in
synchronously to REFCLK.
Reference Clock.
The LXT9785/LXT9785E always requires a 125 MHz
reference clock input. Refer to Functional Description for
detailed clock requirements. REFCLK0 and REFCLK1 are
always connected regardless of sectionalization mode.
SMII Synchronization.
The MAC must generate a SYNC pulse every 10 REFCLK
cycles to synchronize the SMII. SYNC0 is used when 1x8
port sectionalization is selected. SYNC0 and SYNC1 are
to be used when 2x4 port sectionalization is chosen.
Receive Data - Ports 0-7.
These serial output streams provide data received from
the network. The LXT9785/LXT9785E drives the data out
synchronously to RXCLK.
2
Signal Description
3.4 BGA23 Signal Descriptions
2,3
Page 83
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