Atmel Evaluation Kit AT91SAM9G25-EK AT91SAM9G25-EK データシート
製品コード
AT91SAM9G25-EK
197
SAM9G25 [DATASHEET]
11032D–ATARM–10-Mar-2014
22.13.3 PMC System Clock Status Register
Name:
PMC_SCSR
Address:
0xFFFFFC08
Access:
Read-only
• PCK: Processor Clock Status
0 = The Processor clock is disabled.
1 = The Processor clock is enabled.
• DDRCK: DDR Clock Status
0 = The DDR clock is disabled.
1 = The DDR clock is enabled.
• SMDCK: SMD Clock Status
0 = The soft modem clock is disabled.
1 = The soft modem clock is enabled.
• UHP: USB Host Port Clock Status
0 = The UHP48M and UHP12M OHCI clocks are disabled.
1 = The UHP48M and UHP12M OHCI clocks are enabled.
• UDP: USB Device Port Clock Status
0 = The USB Device clock is disabled.
1 = The USB Device clock 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
–
–
–
–
–
–
–
–
23
22
21
20
19
18
17
16
–
–
–
–
–
–
–
–
15
14
13
12
11
10
9
8
–
–
–
–
–
–
PCK1
PCK0
7
6
5
4
3
2
1
0
UDP
UHP
–
SMDCK
–
DDRCK
–
PCK