mc9s12ne64 Freescale Semiconductor, Inc, mc9s12ne64 Datasheet - Page 351

• Manufacturer Part Number: mc9s12ne64
• Description: Hcs12 Microcontrollers Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

12.2.13 ACTLEC — Activity LED
Flashes when data is received by the device if EPHYCTL0 LEDEN bit is set.
12.3
This section provides a detailed description of all registers accessible in the EPHY.
12.3.1
Table 12-1
the memory space. The register address results from the addition of base address and address offset. The
base address is determined at the MCU level. The address offset is defined at the module level.
12.3.2
12.3.2.1 Ethernet Physical Transceiver Control Register 0 (EPHYCTL0)
Read: Anytime
Write: See each bit description
EPHYEN — EPHY Enable
Freescale Semiconductor
This bit can be written anytime.
1 = Enables EPHY
0 = Disables EPHY
Module Base + $0
RESET:
Memory Map and Register Descriptions
W
R
Module Memory Map
gives an overview of all registers in the EPHY memory map. The EPHY occupies 48 bytes in
Register Descriptions
Figure 12-3. Ethernet Physical Transceiver Control Register 0 (EPHYCTL0)
Address
EPHYEN
Offset
$__00
$__01
$__02
$__03
7
0
= Unimplemented or Reserved
ANDIS
Ethernet Physical Transceiver Control Register 0 (EPHYCTL0)
Ethernet Physical Transceiver Control Register 1 (EPHYCTL1)
6
1
Ethernet Physical Transceiver Status Register (EPHYSR)
Table 12-1. EPHY Module Memory Map
MC9S12NE64 Data Sheet, Rev. 1.1
DIS100
5
1
DIS10
RESERVED
4
1
Use
LEDEN
3
0
EPHYWAI
2
0
Memory Map and Register Descriptions
1
0
0
Access
R/W
R/W
R/W
R
EPHYIEN
0
0
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