st802rt1a STMicroelectronics, st802rt1a Datasheet - Page 11

• Manufacturer Part Number: st802rt1a
• Description: 10/100 Real-time Ethernet 3.3 V Transceiver
• Manufacturer: STMicroelectronics

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