SAM3SD8B Atmel Corporation, SAM3SD8B Datasheet - Page 463

• Manufacturer Part Number: SAM3SD8B
• Manufacturer: Atmel Corporation

25.1.16.1
Name:
Address:
Access:
This register can only be written if the WPEN bit is cleared in
• UDP: USB Device Port Clock Enable
0 = No effect.
1 = Enables the 48 MHz clock (UDPCK) of the USB Device Port.
• PCKx: Programmable Clock x Output Enable
0 = No effect.
1 = Enables the corresponding Programmable Clock output.
25.1.16.2
Name:
Address:
Access:
This register can only be written if the WPEN bit is cleared in
• UDP: USB Device Port Clock Disable
0 = No effect.
1 = Disables the 48 MHz clock (UDPCK) of the USB Device Port.
463
463
UDP
UDP
31
23
15
31
23
15
–
–
–
7
–
–
–
7
SAM3S8/SD8
SAM3S8/SD8
PMC System Clock Enable Register
PMC System Clock Disable Register
PMC_SCER
0x400E0400
Write-only
PMC_SCDR
0x400E0404
Write-only
30
22
14
30
22
14
–
–
–
6
–
–
–
–
6
–
29
21
13
29
21
13
–
–
–
5
–
–
–
–
5
–
28
20
12
28
20
12
–
–
–
4
–
–
–
–
4
–
“PMC Write Protect Mode Register”
“PMC Write Protect Mode Register”
27
19
11
27
19
11
–
–
–
–
–
–
–
–
3
3
PCK2
PCK2
26
18
10
26
18
10
–
–
2
–
–
–
2
–
PCK1
PCK1
.
.
25
17
25
17
–
–
–
–
–
–
9
1
9
1
11090A–ATARM–10-Feb-12
11090A–ATARM–10-Feb-12
PCK0
PCK0
24
16
24
16
–
–
8
0
–
–
–
8
0
–