Ethernet Physical Transceiver (EPHY)
MCF52235 ColdFire® Integrated Microcontroller Reference Manual, Rev. 6
Freescale Semiconductor
19-5
19.2.13 ACTLEC — Activity LED
Flashes when data is received by the device if EPHYCTL0 LEDEN bit is set.
19.3
Memory Map and Register Descriptions
This section provides a detailed description of all registers accessible in the Ethernet physical interface.
19.3.1
Module Memory Map
gives an overview of all registers in the Ethernet physical interface memory map. The Ethernet
physical interface occupies 48 bytes in the memory space.
Table 19-1. EPHY Module Memory Map
19.3.2
Register Descriptions
19.3.2.1
Ethernet Physical Transceiver Control Register 0 (EPHYCTL0)
Figure 19-3. Ethernet Physical Transceiver Control Register 0 (EPHYCTL0)
IPSBAR
Offset
Use
Access
0x1E_0000
Ethernet Physical Transceiver Control Register 0 (EPHYCTL0)
R/W
0x1E_0001
Ethernet Physical Transceiver Control Register 1 (EPHYCTL1)
R/W
0x1E_0002
Ethernet Physical Transceiver Status Register (EPHYSR)
R/W
0x1E_0003
RESERVED
R
IPSBAR
Offset: 0x1E_0000 (EPHYCTL0)
Access: User read/write
7
6
5
4
3
2
1
0
R
EPHYEN
ANDIS
DIS100
DIS10
LEDEN
EPHYWAI
0
EPHYIEN
W
Reset
0
1
1
1
0
0
0
0
Because
of
an
order
from
the
United
States
International
Trade
Commission,
BGA-packaged
product
lines
and
part
numbers
indicated
here
currently
are
not
available
from
Freescale
for
import
or
sale
in
the
United
States
prior
to
September
2010:MCF52234CVM60,
MCF52235CVM60
