
Hardware Description
TWR-P1025 Hardware User Guide, Rev. 0
6
Freescale Semiconductor
Figure 3-3. eTSEC connection to AR8035 PHY
Table 3-5. eTSEC1 PHY Connectivity
P1025 Signal
P1025
Pin
P1025 Pin Type
Description (for
RGMII mode)
AR8035
Signal
AR8035 Pin
EC_GTX_CLK125
AG25
Input
Osc source for TX
clock. Can be
configured to feed
eTSEC1 and
eTSEC3
CLK_25M
NA
TSEC1_TXD03
AC22
Output
TX data bit
TXD3
37
TSEC1_TXD02
AE27
Output
TX data bit
TXD2
36
TSEC1_TXD01
AB23
Output
TX data bit
TXD1
35
TSEC1_TXD00
AD25
Output
TX data bit
TXD0
34
TSEC1_TX_EN
AD22
Output
TX data
enabled/error
TX_CTL
32
TSEC1_GTX_CLK
AF26
Output
Inverted transmit
clock feedback
TX_CLK
33
TSEC1_RXD03
AC24
Input
RX data bit
RXD3
25
TSEC1_RXD02
AE23
Input
RX data bit
RXD2
26
TSEC1_RXD01
AG22
Input
RX data bit
RXD1
28
TSEC1_RXD00
AE24
Input
RX data bit
RXD0
29
TSEC1_RX_DV
AE25
Input
RX data
valid/error
RX_CTL
30
TSEC1_RX_CLK
AE26
Input
RX clock
RX_CLK
31