AT91RM3400 Datasheet, PDF (142/461 Pages) ATMEL Corporation – ARM7TDMI™ based Microcontroller

PMC System Clock Disable Register
Register Name: PMC_SCDR
Access Type: Write-only
31
30
29
28
–
–
–
–
23
22
21
20
–
–
–
–
15
14
13
12
–
–
–
–
7
6
5
4
–
–
–
UHP
27
–
19
–
11
PCK3
3
–
26
–
18
–
10
PCK2
2
MCKUDP
25
–
17
–
9
PCK1
1
UDP
24
–
16
–
8
PCK0
0
PCK
• PCK: Processor Clock Disable
0 = No effect.
1 = Disables the Processor Clock.
• UDP: USB Device Port Clock Disable
0 = No effect.
1 = Disables the 48 MHz clock of the USB Device Port.
• MCKUDP: USB Device Port Master Clock Automatic Disable on Suspend Disable
0 = No effect.
1 = Disables the automatic disable of the Master Clock of the USB Device Port when a suspend condition occurs.
• UHP: USB Host Port Clock Disable
0 = No effect.
1 = Disables the 48 MHz clock of the USB Host Port.
• PCK0...PCK3: Programmable Clock Output Disable
0 = No effect.
1 = Disables the corresponding Programmable Clock output.
142 _AT91RM3400
1790A–ATARM–11/03