LM3S1911-IRN20-A0T Luminary Micro, Inc., LM3S1911-IRN20-A0T Datasheet - Page 88
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LM3S1911-IRN20-A0T
Manufacturer Part Number
LM3S1911-IRN20-A0T
Description
Microcontroller
Manufacturer
Luminary Micro, Inc.
Datasheet
1.LM3S1911-IRN20-A0T.pdf
(426 pages)
- Current page: 88 of 426
- Download datasheet (5Mb)
System Control
Run Mode Clock Gating Control Register 0 (RCGC0)
Base 0x400F.E000
Offset 0x100
Type R/W, reset 0x00000040
88
Reset
Reset
Type
Type
Bit/Field
31:7
5:4
2:0
6
3
RO
RO
31
15
0
0
Register 18: Run Mode Clock Gating Control Register 0 (RCGC0), offset 0x100
This register controls the clock gating logic. Each bit controls a clock enable for a given interface,
function, or unit. If set, the unit receives a clock and functions. Otherwise, the unit is unclocked and
disabled (saving power). If the unit is unclocked, reads or writes to the unit will generate a bus fault.
The reset state of these bits is 0 (unclocked) unless otherwise noted, so that all functional units are
disabled. It is the responsibility of software to enable the ports necessary for the application. Note
that these registers may contain more bits than there are interfaces, functions, or units to control.
This is to assure reasonable code compatibility with other family and future parts. RCGC0 is the
clock configuration register for running operation, SCGC0 for Sleep operation, and DCGC0 for
Deep-Sleep operation. Setting the ACG bit in the Run-Mode Clock Configuration (RCC) register
specifies that the system uses sleep modes.
RO
RO
30
14
0
0
reserved
reserved
reserved
Name
WDT
HIB
RO
RO
29
13
0
0
RO
RO
28
12
0
0
reserved
RO
RO
Type
27
11
R/W
R/W
0
0
RO
RO
RO
RO
RO
26
10
0
0
Reset
0
0
0
0
0
RO
RO
25
0
9
0
Preliminary
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.
HIB Clock Gating Control
This bit controls the clock gating for the Hibernation module. If set, the
unit receives a clock and functions. Otherwise, the unit is unclocked and
disabled.
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.
WDT Clock Gating Control
This bit controls the clock gating for the WDT module. If set, the unit
receives a clock and functions. Otherwise, the unit is unclocked and
disabled. If the unit is unclocked, a read or write to the unit generates
a bus fault.
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.
RO
RO
24
0
8
0
reserved
RO
RO
23
0
7
0
R/W
HIB
RO
22
0
6
0
RO
RO
21
0
5
0
reserved
RO
RO
20
0
4
0
WDT
R/W
RO
19
0
3
0
RO
RO
18
0
2
0
October 09, 2007
reserved
RO
RO
17
0
1
0
RO
RO
16
0
0
0
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