TM4C129XNCZAD Datasheet, PDF (1805/2191 Pages) Texas Instruments – Tiva Microcontroller

Tiva^™ TM4C129XNCZAD Microcontroller
Register 85: Ethernet PHY Address or Data - MR14 (EPHYADDAR), address
0x00E
This register is the address/data MMD register. It is used in conjunction with EPHYREGCTL register
(PHY offset 0x00D) to provide the access by an indirect read/write mechanism to the extended
register set.
Ethernet PHY Address or Data - MR14 (EPHYADDAR)
Base n/a
Address 0x00E
Type WO, reset 0x0000
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
ADDRDATA
Type WO
WO
WO
WO
WO
WO
WO
WO
WO
WO
WO
WO
WO
WO
WO
WO
Reset
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Bit/Field
15:0
Name
ADDRDATA
Type
WO
Reset
0x0000
Description
Address or Data
If the EPHYREGCTL register bits [15:14] = 0x0, this register holds the
MDIO Manageable Device (MMD) DEVAD's address register, otherwise
holds the MMD DEVAD's data register. See EPHYREGCTL register for
more information about DEVAD field.
June 18, 2014
Texas Instruments-Production Data
1805