LM3S2965 Luminary Micro, Inc, LM3S2965 Datasheet - Page 101
LM3S2965
Manufacturer Part Number
LM3S2965
Description
Lm3s2965 Arm Microcontroller
Manufacturer
Luminary Micro, Inc
Datasheet
1.LM3S2965.pdf
(599 pages)
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Reset
Reset
Type
Type
Run Mode Clock Gating Control Register 0 (RCGC0)
Base 0x400F.E000
Offset 0x100
Type R/W, reset 0x00000040
July 25, 2008
Bit/Field
31:26
23:21
19:17
25
24
20
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
RO
RO
29
13
0
0
Name
CAN1
CAN0
PWM
reserved
reserved
RO
RO
28
12
0
0
RO
RO
27
11
0
0
Type
R/W
R/W
R/W
RO
RO
RO
RO
RO
26
10
0
0
Reset
CAN1
R/W
R/W
MAXADCSPD
25
0
9
0
0
0
0
0
0
0
Preliminary
CAN0
R/W
R/W
24
0
8
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.
CAN1 Clock Gating Control
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.
CAN0 Clock Gating Control
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.
PWM Clock Gating Control
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.
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
LM3S2965 Microcontroller
WDT
R/W
RO
19
0
3
0
reserved
RO
RO
18
0
2
0
reserved
RO
RO
17
0
1
0
ADC
R/W
RO
16
0
0
0
101
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