Datasheet

211
SAM9X25 [DATASHEET]
11054E–ATARM–10-Mar-2014
22.13.22PMC Peripheral Control Register
Name: PMC_PCR
Address: 0xFFFFFD0C
Access: Read-write
• PID: Peripheral ID
Only the following Peripheral IDs can have a DIV value other than 0: PID2, PID3, PID5 to PID11, PID13 to PID19, PID28 to
PID30.
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
————
76543210
——
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