Atmel ARM-Based Evaluation Kit AT91SAM9N12-EK AT91SAM9N12-EK Data Sheet
Product codes
AT91SAM9N12-EK
186
SAM9N12/SAM9CN11/SAM9CN12 [DATASHEET]
11063K–ATARM–05-Nov-13
22.12 Power Management Controller (PMC) User Interface
Table 22-3. Register Mapping
Offset
Register
Name
Access
Reset
0x0000
System Clock Enable Register
PMC_SCER
Write-only
N.A.
0x0004
System Clock Disable Register
PMC_SCDR
Write-only
N.A.
0x0008
System Clock Status Register
PMC_SCSR
Read-only
0x0000_0005
0x0010
Peripheral Clock Enable Register
PMC _PCER
Write-only
N.A.
0x0014
Peripheral Clock Disable Register
PMC_PCDR
Write-only
–
0x0018
Peripheral Clock Status Register
PMC_PCSR
Read-only
0x0000_0000
0x000C - 0x0018
Reserved
–
–
–
0x001C
Reserved
–
–
–
0x0020
Main Oscillator Register
CKGR_MOR
Read-write
0x0000_0008
0x0024
Main Clock Frequency Register
CKGR_MCFR
Read-write
0x0000_0000
0x0028
PLLA Register
CKGR_PLLAR
Read-write
0x0000_3F00
0x002C
PLLB Register
CKGR_PLLBR
Read-write
0x0000_3F00
0x0030
Master Clock Register
PMC_MCKR
Read-write
0x0000_0001
0x0034
Reserved
–
–
–
0x0038
USB Clock Register
PMC_USB
Read-write
0x0000_0000
0x003C
Reserved
–
–
–
0x0040
Programmable Clock 0 Register
PMC_PCK0
Read-write
0x0000_0000
0x0044
Programmable Clock 1 Register
PMC_PCK1
Read-write
0x0000_0000
0x0048 - 0x005C
Reserved
–
–
–
0x0060
Interrupt Enable Register
PMC_IER
Write-only
N.A.
0x0064
Interrupt Disable Register
PMC_IDR
Write-only
N.A.
0x0068
Status Register
PMC_SR
Read-only
0x0001_0008
0x006C
Interrupt Mask Register
PMC_IMR
Read-only
0x0000_0000
0x0070 - 0x0078
Reserved
–
–
–
0x0080
PLL Charge Pump Current Register
PMC_PLLICPR
Write-only
0x0100_0100
0x0084-0x00E0
Reserved
–
–
–
0x00E4
Write Protect Mode Register
PMC_WPMR
Read-write
0x0000_0000
0x00E8
Write Protect Status Register
PMC_WPSR
Read-only
0x0000_0000
0x00EC-0x0108
Reserved
–
–
–
0x010C
Peripheral Control Register
PMC_PCR
Read-write
0x0000_0000