LM3S308 Luminary Micro, Inc, LM3S308 Datasheet - Page 198

• Manufacturer Part Number: LM3S308
• Description: Lm3s308 Arm Microcontroller
• Manufacturer: Luminary Micro, Inc

Reset
Reset
Type
Type
General-Purpose Timers
GPTM TimerA (GPTMTAR)
Timer0 base: 0x4003.0000
Timer1 base: 0x4003.1000
Timer2 base: 0x4003.2000
Offset 0x048
Type RO, reset 0x0000.FFFF (16-bit mode) and 0xFFFF.FFFF (32-bit mode)
198
Bit/Field
31:16
15:0
RO
RO
31
15
0
1
RO
RO
Register 17: GPTM TimerA (GPTMTAR), offset 0x048
This register shows the current value of the TimerA counter in all cases except for Input Edge Count
mode. When in this mode, this register contains the time at which the last edge event took place.
30
14
1
1
RO
RO
29
13
1
1
Name
TARH
TARL
RO
RO
28
12
0
1
RO
RO
27
11
1
1
Type
RO
RO
RO
RO
26
10
0
1
0x0000 (16-bit
(32-bit mode)
0xFFFF
0xFFFF
RO
RO
mode)
Reset
25
1
9
1
Preliminary
RO
RO
24
1
8
1
TARH
TARL
Description
GPTM TimerA Register High
If the GPTMCFG is in a 32-bit mode, TimerB value is read. If the
GPTMCFG is in a 16-bit mode, this is read as zero.
GPTM TimerA Register Low
A read returns the current value of the GPTM TimerA Count Register,
except in Input Edge Count mode, when it returns the timestamp from
the last edge event.
RO
RO
23
1
7
1
RO
RO
22
1
6
1
RO
RO
21
0
5
1
RO
RO
20
1
4
1
RO
RO
19
1
3
1
RO
RO
18
1
2
1
RO
RO
17
1
1
1
June 04, 2008
RO
RO
16
0
0
1