SAM7S256_14 Datasheet, PDF (200/775 Pages) ATMEL Corporation – ARM-based Flash MCU

25.9 Power Management Controller (PMC) User Interface
Table 25-2. Register Mapping
Offset
0x0000
0x0004
0x0008
Register
System Clock Enable Register
System Clock Disable Register
System Clock Status Register
Name
PMC_SCER⁽¹⁾
PMC_SCDR⁽¹⁾
PMC _SCSR⁽¹⁾
0x000C
Reserved
–
0x0010
Peripheral Clock Enable Register
PMC _PCER
0x0014
Peripheral Clock Disable Register
PMC_PCDR
0x0018
Peripheral Clock Status Register
PMC_PCSR
0x001C
Reserved
–
0x0020
Main Oscillator Register
CKGR_MOR
0x0024
Main Clock Frequency Register
CKGR_MCFR
0x0028
0x002C
Reserved
PLL Register
–
CKGR_PLLR⁽²⁾
0x0030
Master Clock Register
PMC_MCKR
0x0038
Reserved
–
0x003C
Reserved
–
0x0040
Programmable Clock 0 Register
PMC_PCK0
0x0044
Programmable Clock 1 Register
PMC_PCK1
0x0048
Programmable Clock 2 Register
PMC_PCK2
...
...
...
0x0060
Interrupt Enable Register
PMC_IER
0x0064
Interrupt Disable Register
PMC_IDR
0x0068
Status Register
PMC_SR
0x006C
Interrupt Mask Register
PMC_IMR
0x0070 - 0x007C Reserved
–
Notes: 1. UDP bit of this register doe not pertain to SAM7S32/16.
2. USBDIV bit of this register does not pertain to SAM7S32/16
Access
Write-only
Write-only
Read-only
–
Write-only
Write-only
Read-only
–
Read-write
Read-only
–
Read-write
Read-write
–
–
Read-write
Read-write
Read-write
...
Write-only
Write-only
Read-only
Read-only
–
Reset
–
–
0x01
–
–
–
0x0
–
0x0
0x0
–
0x3F00
0x0
–
–
0x0
0x0
0x0
...
--
--
0x08
0x0
–
SAM7S Series [DATASHEET]
6175M–ATARM–26-Oct-12
200