Atmel ARM-Based Evaluation Kit AT91SAM9N12-EK AT91SAM9N12-EK Fiche De Données
Codes de produits
AT91SAM9N12-EK
209
SAM9N12/SAM9CN11/SAM9CN12 [DATASHEET]
11063K–ATARM–05-Nov-13
22.12.21 PMC Peripheral Control Register
Name:
PMC_PCR
Address:
0xFFFFFD0C
Access:
Write-only
• PID: Peripheral ID
Peripheral ID selection from PID2 to PID31
PID2 to PID31 refer to identifiers as defined in the section “Peripheral Identifiers” in the product datasheet.
• CMD: Command
0: Read mode.
1: Write mode.
• DIV: Divisor value
• EN: Enable
0: Selected Peripheral clock is disabled.
1: Selected Peripheral clock is enabled.
31
30
29
28
27
26
25
24
–
–
–
EN
–
–
–
–
23
22
21
20
19
18
17
16
–
–
–
–
–
–
DIV
15
14
13
12
11
10
9
8
–
–
–
CMD
–
–
–
–
7
6
5
4
3
2
1
0
–
–
PID
Value
name
Description
0
PERIPH_DIV_MCK
Peripheral clock is MCK
1
PERIPH_DIV2_MCK
Peripheral clock is MCK/2
2
PERIPH_DIV4_MCK
Peripheral clock is MCK/4
3
PERIPH_DIV8_MCK
Peripheral clock is MCK/8