LM3S308 Luminary Micro, Inc, LM3S308 Datasheet - Page 81
LM3S308
Manufacturer Part Number
LM3S308
Description
Lm3s308 Arm Microcontroller
Manufacturer
Luminary Micro, Inc
Datasheet
1.LM3S308.pdf
(419 pages)
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Reset
Reset
Type
Type
Device Capabilities 1 (DC1)
Base 0x400F.E000
Offset 0x010
Type RO, reset 0x0001.72BF
June 04, 2008
Bit/Field
31:17
15:12
11:10
9:8
16
RO
RO
7
31
15
0
0
RO
RO
Register 15: Device Capabilities 1 (DC1), offset 0x010
This register provides a list of features available in the system. The Stellaris family uses this register
format to indicate the availability of the following family features in the specific device: PWM, ADC,
Watchdog timer, and debug capabilities. This register also indicates the maximum clock frequency
and maximum ADC sample rate. The format of this register is consistent with the RCGC0, SCGC0,
and DCGC0 clock control registers and the SRCR0 software reset control register.
30
14
MINSYSDIV
0
1
MAXADCSPD
MINSYSDIV
RO
RO
29
13
reserved
reserved
0
1
Name
MPU
ADC
RO
RO
28
12
0
1
RO
RO
27
11
0
0
reserved
Type
RO
RO
RO
RO
RO
RO
RO
RO
26
10
0
0
RO
MAXADCSPD
RO
Reset
25
0
9
1
0x7
0x2
0
1
0
1
reserved
Preliminary
RO
RO
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.
ADC Module Present
When set, indicates that the ADC module is present.
System Clock Divider
Minimum 4-bit divider value for system clock. The reset value is
hardware-dependent. See the RCC register for how to change the
system clock divisor using the SYSDIV bit.
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.
Max ADC Speed
Indicates the maximum rate at which the ADC samples data.
MPU Present
When set, indicates that the Cortex-M3 Memory Protection Unit (MPU)
module is present. See the ARM Cortex-M3 Technical Reference Manual
for details on the MPU.
Value
0x7
Value
0x2
MPU
RO
RO
23
0
7
1
Description
Specifies a 25-MHz clock with a PLL divider of 8.
Description
500K samples/second
reserved
RO
RO
22
0
6
0
TEMPSNS
RO
RO
21
0
5
1
PLL
RO
RO
20
0
4
1
WDT
RO
RO
19
0
3
1
LM3S308 Microcontroller
SWO
RO
RO
18
0
2
1
SWD
RO
RO
17
0
1
1
JTAG
ADC
RO
RO
16
1
0
1
81
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