LM3S2965-IQN25-A0T ETC2 [List of Unclassifed Manufacturers], LM3S2965-IQN25-A0T Datasheet - Page 94
LM3S2965-IQN25-A0T
Manufacturer Part Number
LM3S2965-IQN25-A0T
Description
Microcontroller
Manufacturer
ETC2 [List of Unclassifed Manufacturers]
Datasheet
1.LM3S2965-IQN25-A0T.pdf
(542 pages)
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System Control
Run Mode Clock Gating Control Register 0 (RCGC0)
Base 0x400F.E000
Offset 0x100
Type R/W, reset 0x00000040
94
Reset
Reset
Type
Type
Bit/Field
31:26
23:21
19:17
25
24
20
16
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
SARADC0
reserved
reserved
reserved
Name
CAN1
CAN0
PWM
RO
RO
29
13
0
0
reserved
RO
RO
28
12
0
0
R/W
RO
Type
27
11
R/W
R/W
R/W
R/W
0
0
RO
RO
RO
R/W
RO
MAXADCSPD
26
10
0
0
Reset
0
0
0
0
0
0
0
CAN1
R/W
R/W
25
0
9
0
Preliminary
CAN0
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.
This bit controls the clock gating for CAN unit 1. If set, the unit receives
a clock and functions. Otherwise, the unit is unclocked and disabled.
This bit controls the clock gating for CAN unit 0. 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.
This bit controls the clock gating for the PWM 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.
This bit controls the clock gating for SAR ADC module 0. 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.
R/W
R/W
24
0
8
0
reserved
RO
RO
23
0
7
0
reserved
R/W
HIB
RO
22
0
6
0
RO
RO
21
0
5
0
reserved
PWM
R/W
RO
20
0
4
0
WDT
R/W
RO
19
0
3
0
reserved
RO
RO
18
0
2
0
June 04, 2007
reserved
RO
RO
17
0
1
0
SARADC0
R/W
RO
16
0
0
0
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