WBLXT9785HE.D0-865114 Cortina Systems Inc, WBLXT9785HE.D0-865114 Datasheet - Page 38
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WBLXT9785HE.D0-865114
Manufacturer Part Number
WBLXT9785HE.D0-865114
Description
Manufacturer
Cortina Systems Inc
Datasheet
1.WBLXT9785HE.D0-865114.pdf
(221 pages)
Specifications of WBLXT9785HE.D0-865114
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LXT9785/LXT9785E
Datasheet
249241, Revision 11.0
16 April 2007
Table 5
Cortina Systems
RMII Signal Descriptions – PQFP (Sheet 3 of 3)
®
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. If a Pin is an output or an I/O, the IP/ID
3. RxData[0:7]_0, RxData[0:7]_1, CRS_DV[0:7] and RxER[0:7] outputs are three-stated in Isolation and H/W
PQFP
LXT9785 and LXT9785E Advanced 8-Port 10/100 Mbps PHY Transceivers
206
205
198
197
200
201
Designation
58
49
39
31
17
10
59
50
40
32
20
11
1
2
Three-State-able output, SL = Slew-rate Limited output, IP = weak Internal Pull-up, ID = weak Internal pull-
Down.
resistors are also disabled when the output is enabled.
Power-Down modes and during H/W reset.
Pin-Ball
PBGA
C15,
E16,
B12,
D12,
B16,
A12,
A15,
A17,
D17
B17
F14
E15
E4,
C4,
A5,
B8,
D2,
D5,
D7,
C8,
RxData6_0
RxData6_1
RxData7_0
RxData7_1
CRS_DV0
CRS_DV1
CRS_DV2
CRS_DV3
CRS_DV4
CRS_DV5
CRS_DV6
CRS_DV7
Symbol
RxER0
RxER1
RxER2
RxER3
RxER4
RxER5
RxER6
RxER7
O, TS, SL,
O, TS, SL,
O, TS, ID
O, TS, ID
Type
O, TS
O, TS
ID
ID
1
Signal Description
Receive Data - Port 6.
Receive data signals (2-bit parallel di-bits) are driven
synchronously to REFCLK.
Receive Data - Port 7.
Receive data signals (2-bit parallel di-bits) are driven
synchronously to REFCLK.
Carrier Sense/Receive Data Valid - Ports 0-7.
On detection of valid carrier, these signals are
asserted asynchronously with respect to REFCLK.
CRS_DVn is de-asserted on loss of carrier,
synchronous to REFCLK.
Receive Error - Ports 0-7.
These signals are synchronous to the respective
REFCLK. Active High indicates that received code
group is invalid, or that PLL is not locked.
The RxER signals have the following additional
function pins:
RxER0 (MDIX)
RxER1 (PAUSE)
RxER2 (PREASEL)
RxER4 (FIFOSEL0)
RxER5 (FIFOSEL1)
RxER6 (LINKHOLD)
2,3
3.2 PQFP Signal Descriptions
Page 38
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