Datasheet

 2017 Microchip Technology Inc. DS60001516A-page 279
SAM9G20
25.9.3 PMC System Clock Status Register
Name:PMC_SCSR
Access:Read-only
PCK: Processor Clock Status
0: The Processor clock is disabled.
1: The Processor clock is enabled.
UHP: USB Host Port Clock Status
0: The 12 and 48 MHz clock (UHPCK) of the USB Host Port is disabled.
1: The 12 and 48 MHz clock (UHPCK) of the USB Host Port is enabled.
UDP: USB Device Port Clock Status
0: The 48 MHz clock (UDPCK) of the USB Device Port is disabled.
1: The 48 MHz clock (UDPCK) of the USB Device Port is enabled.
PCKx: Programmable Clock x Output Status
0: The corresponding Programmable Clock output is disabled.
1: The corresponding Programmable Clock output is enabled.
31 30 29 28 27 26 25 24
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23 22 21 20 19 18 17 16
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15 14 13 12 11 10 9 8
––––––PCK1PCK0
76543210
UDPUHP–––––PCK