
Power Management
Freescale Semiconductor
8-3
8.2.2
Peripheral Power Management Set Registers (PPMSR0 & PPMSR1)
The PPMSR registers provide a simple mechanism to set a given bit in the PPM{H,L}R registers to disable
the clock for a given peripheral module without the need to perform a read-modify write on the PPMR.
The data value on a register write causes the corresponding bit in the PPM{H,L}R to be set. The SAMCD
bit provides a global set function forcing the entire contents of the PPMR to be set, disabling all peripheral
module clocks. Reads of these registers return all zeroes.
Table 8-2. WCR Field Descriptions
Field
Description
7
ENBWCR
Enable low-power mode entry. The mode entered is specified in LPCR[LPMD].
0 Low-power mode entry is disabled
1 Low-power mode entry is enabled.
6–3
Reserved, should be cleared.
2–0
PRILVL
Exit low-power mode interrupt priority level. This field defines the interrupt priority level needed to exit the low-power
mode.
Address: 0xFC04_002C (PPMSR0)
0xFC04_002E (PPMSR1)
Access: Supervisor Write-only
7
6
5
4
3
2
1
0
R
0
0
0
0
0
0
0
0
W
SAMCD
SMCD
Reset:
0
0
0
0
0
0
0
0
Figure 8-2. Peripheral Power Management Set Registers (PPMSRn)
Table 8-3. PPMSRn Field Descriptions
Field
Description
7
Reserved, should be cleared.
PRILVL
Interrupt Level Needed to Exit Low-Power Mode
000
Any interrupt request exits low-power mode
001
Interrupt request levels [2-7] exit low-power mode
010
Interrupt request levels [3-7] exit low-power mode
011
Interrupt request levels [4-7] exit low-power mode
100
Interrupt request levels [5-7] exit low-power mode
101
Interrupt request levels [6-7] exit low-power mode
11x
Interrupt request level [7] exits low-power mode
MCF5329 Reference Manual, Rev 3
Summary of Contents for MCF5329
Page 106: ...ColdFire Core 3 32 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 148: ...Cache 5 22 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 154: ...Static RAM SRAM 6 6 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 184: ...Power Management 8 18 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 204: ...Reset Controller Module 10 8 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 220: ...System Control Module SCM 11 16 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 228: ...Crossbar Switch XBS 12 8 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 268: ...General Purpose I O Module 13 40 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 392: ...SDRAM Controller SDRAMC 18 30 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 436: ...Fast Ethernet Controller FEC 19 44 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 594: ...FlexCAN 23 30 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 678: ...Pulse Width Modulation PWM Module 26 22 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 684: ...Watchdog Timer Module 27 6 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 704: ...DMA Timers DTIM0 DTIM3 29 12 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 754: ...UART Modules 31 34 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 770: ...I2 C Interface 32 16 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 866: ...Debug Module 36 50 Freescale Semiconductor MCF5329 Reference Manual Rev 3...