Technical data

1.2 PHY Interface Pin Functions
The on-chip PHYs of ERTEC 200 use the following pins:
Pin Name I/O Function Number of pins
P(2:1)TxN O Differential transmit data output 2
P(2:1)TxP O Differential transmit data output 2
P(2:1)TDxN O Differential FX transmit data output 2
P(2:1)TDxP O Differential FX transmit data output 2
P(2:1)RxN I Differential receive data input 2
P(2:1)RxP I Differential receive data input 2
P(2:1)RDxN I Differential FX receive data input 2
P(2:1)RDxP I Differential FX receive data input 2
P(2:1)SDxN I Differential FX signal detect input 2
P(2:1)SDxP I Differential FX signal detect input 2
EXTRES I/O
External reference resistor (12.4 kΩ)
1
DVDD(4:1) I Digital power supply, 1.5 V 4
DGND(4:1) I Digital GND 4
P(2:1)VSSATX(2:1) I
A
nalog port GND 4
P(2:1)VDDARXTX I
A
nalog port RX/TX power supply, 1.5 V 2
P(2:1)VSSARX I
A
nalog port GND 2
VDDAPLL I
A
nalog central power supply, 1.5 V 1
VDDACB I
A
nalog central power supply, 3.3 V 1
VSSAPLLCB I
A
nalog central GND 1
VDD33ESD I
A
nalog test power supply, 3.3 V 1
VSS33ESD I
A
nalog test GND 1
total 42
Table 1: ERTEC 200 Pin function for PHY interface
Note that Table 1 includes the specific power supply pins that are needed for operation of the PHYs,
however it does not include the status indication signals that are shared with GPIO pins. For the status
indication signals see /1/
Copyright © Siemens AG 2008. All rights reserved. Page 7 ERTEC 200 PHY
Technical data subject to change Version 1.0.0