Texas Instruments C28 Series Student Guide

Low Power Modes
Low Power Modes
Low Power Modes
Low Power Modes
Low Power
Low Power
Mode
Mode
CPU Logic
CPU Logic
Clock
Clock
Peripheral
Peripheral
Logic Clock
Logic Clock
Watchdog
Watchdog
Clock
Clock
PLL /
PLL /
OSC
OSC
Normal Run
Normal Run
IDLE
IDLE
STANDBY
STANDBY
HALT
HALT
on
on
off
off
off
off
off
off
on
on
on
on
off
off
off
off
on
on
on
on
on
on
off
off
on
on
on
on
on
on
off
off
Low Power Mode Control Register 0
Low Power Mode Control Register 0
LPMCR0 @ 0x00701E
LPMCR0 @ 0x00701E
(lab file:
(lab file:
SysCtrl
SysCtrl
.c)
.c)
0
0
1
1
7
7
-
-
2
2
15
15
-
-
8
8
LPM0
LPM0
LPM1
LPM1
QUALSTDBY
QUALSTDBY
reserved
Low Power Mode Entering
Low Power Mode Entering
1. Set LPM bits
1. Set LPM bits
2. Enable desired exit interrupt(s)
2. Enable desired exit interrupt(s)
3. Execute IDLE instruction
3. Execute IDLE instruction
4. The Power down sequence of the hardware
4. The Power down sequence of the hardware
depends on LP mode
depends on LP mode
Low Power Mode Selection
Low Power Mode Selection
00 = Idle
00 = Idle
01 = Standby
01 = Standby
1x = Halt
1x = Halt
Qualify before waking
Qualify before waking
from STANDBY mode
from STANDBY mode
000000 = 2
000000 = 2
OSCCLKs
OSCCLKs
000001 = 3
000001 = 3
OSCCLKs
OSCCLKs
111111 = 65 OSCCLKS
111111 = 65 OSCCLKS
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C28x - System Initialization 5 - 9

Texas Instruments C28 Series Specifications

General

Brand	Texas Instruments
Model	C28 Series
Category	Computer Hardware
Language	English