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ST802RT1AFR Datasheet(PDF) 11 Page - STMicroelectronics

Part # ST802RT1AFR
Description  10/100 real-time Ethernet 3.3 V transceiver
PDF  58 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST802RT1AFR Datasheet(HTML) 11 Page - STMicroelectronics

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ST802RT1A, ST802RT1B
Pin description
Doc ID 17049 Rev 1
11/58
5
Pin description
Table 2.
Pin description of the ST802RT1x
Pin n°
ST802RT1x
Name
Type
Description
1
TX_CLK/LPBK_EN
O, S, PD
MII transmit clock
2
TX_EN
I, PD
MII transmit enable
3
GNDA
Ground
Analog ground
4
VCCA
Supply
Analog power supply
5
TXD0
I
Transmit data (MII/RMII)
6
TXD1
I
Transmit data (MII/RMII)
7
TXD2/SCLK
I
Transmit data (MII), RMII clock (50 Mhz)
8
TXD3/MII_CFG1
I, S, PD
Transmit data (MII) / multi-function pin
9
PWRDWN/MDINT
I, PU, OD
Power-down/management data interrupt
10
RESERVED
I, PD
To be set to digital ground
11
RESERVED
I, PD
To be set to digital ground
12
GND
Ground
Digital ground
13
VCCA
Supply
Analog power supply
14
RXN
I, O
Differential receive inputs
15
RXP
I, O
Differential receive inputs
16
GNDA
Ground
Analog ground
17
TXP
I, O
Differential transmit outputs
18
TXN
I, O
Differential transmit outputs
19
GNDA
Ground
Analog ground
20
GNDA
Ground
Analog ground
21
IREF
I/O
Reference resistor/ DC regulator output (bias resistor)
22
VCCA
Supply
Analog power supply
23
GNDA
Ground
Analog ground
24
VCCA
Supply
Analog power supply
25
RESERVED
-
Not used in the ST802RT1A
SDP
I
Positive signal detect for 100Base-FX operation (ST802RT1B
only)
26
LED_ACT/AN_1
O, S, PU
Activity/full-duplex/collision led
27
LED_SPEED/AN_0
O, S, PU
Speed LED
28
LED_LINK/AN_EN
O, S, PU
Link LED
29
RESET
I
Reset (active-low)
30
MDIO
I/O, PU
Management data input/output
31
MDC
I
Management data clock



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