TM4C129EKCPDT Datasheet, PDF (433/2012 Pages) Texas Instruments – Tiva Microcontroller

Tiva^™ TM4C129EKCPDT Microcontroller
Register 124: Ethernet MAC Sleep Mode Clock Gating Control (SCGCEMAC),
offset 0x79C
The SCGCEMAC register provides software the capability to enable and disable the Ethernet MAC
module in sleep mode. When enabled, a module is provided a clock. When disabled, the clock is
disabled to save power.
Important: This register should be used to control the clocking for the Ethernet MAC module.
Ethernet MAC Sleep Mode Clock Gating Control (SCGCEMAC)
Base 0x400F.E000
Offset 0x79C
Type RW, reset 0x0000.0000
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
reserved
Type RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
Reset
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
reserved
S0
Type RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RW
Reset
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Bit/Field
31:1
0
Name
reserved
S0
Type
RO
RW
Reset
0
0
Description
Software should not rely on the value of a reserved bit. To provide
compatibility with future products, the value of a reserved bit should be
preserved across a read-modify-write operation.
Ethernet MAC Module 0 Sleep Mode Clock Gating Control
Value Description
0 Ethernet MAC module 0 is disabled in sleep mode.
1 Enable and provide a clock to Ethernet MAC module 0 in sleep
mode.
June 18, 2014
433
Texas Instruments-Production Data