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AX88852 Datasheet(PDF) 12 Page - ASIX Electronics Corporation

Part # AX88852
Description  100BASE-TX/FX Repeater Controller
PDF  39 Pages
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Manufacturer  ASIX [ASIX Electronics Corporation]
Direct Link  http://www.asix.com.tw
Logo ASIX - ASIX Electronics Corporation

AX88852 Datasheet(HTML) 12 Page - ASIX Electronics Corporation

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AX88850
PRELIMINARY
ASIX ELECTRONICS CORPORATION
12
2.0 Pin Description
2.1A PCS interface
Signal Name
Type Pin No.
Description
RDATA[0][4:0]
RDATA[1][4:0]
RDATA[2][4:0]
RDATA[3][4:0]
RDATA[4][4:0]
RDATA[5][4:0]
RDATA[6][4:0]
RDATA[7][4:0]
I/PU
I/PD*
I/PD*
I/PD*
I/PD*
I/PD*
I/PD*
I/PU
181-177,
195-191
208-204
14-10
30,29,26-
24
44-40
57-53
70-66
Receive Symbol Data : Data is input synchronously with the rising edge of
RSCLK
RSCLK[0]
RSCLK[1]
RSCLK[2]
RSCLK[3]
RSCLK[4]
RSCLK[5]
RSCLK[6]
RSCLK[7]
I
I
I
I
I
I
I
I
182
196
2
15
31
45
58
71
Receive Symbol Clock : This 25Mhz input signal is phase-locked to the
incoming signal at PHY. RSCLK is used to clock in received data from the
RDATA[4:0] data bus.
RSD[0]
RSD[1]
RSD[2]
RSD[3]
RSD[4]
RSD[5]
RSD[6]
RSD[7]
I /PD
I/PD
I/PD
I/PD
I/PD
I/PD
I/PD
I/PD
183
197
3
16
32
46
59
72
Receive Signal Detect : This asynchronous input signal indicates that the
receive signal is above the detection threshold and will be used for link test
state machine.
TDATA[0][4:0]
TDATA[1][4:0]
TDATA[2][4:0]
TDATA[3][4:0]
TDATA[4][4:0]
TDATA[5][4:0]
TDATA[6][4:0]
TDATA[7][4:0]
O/L
O/L
O/L
O/H**
O/H**
O/L
O/L
O/L
190-186
203-199
8-4
22-18
38-34
51-47
65-61
78-74
Transmit Symbol Data : These signals are 4B/5B encoded transmit data
symbol, driven at the rising edge of local 25Mhz clock. LCLK
* RDATA[1:6][4] are pull up.
** TDATA[3][4] and TDATA[4][4] drive capability are MH
Note : “Type” has the following attributes
I : Input
O : Output
I/O : Bi-direction
PU : Pull Up
PD : Pull Down
H : Driving High Current 16mA
MH : Driving Middle High Current 12mA
ML : Driving Middle Low Current 8mA
L : Driving Low Current 4mA



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