at91rm3400 ATMEL Corporation, at91rm3400 Datasheet - Page 143

• Manufacturer Part Number: at91rm3400
• Description: Atmel Advanced At91 Arm Microcontroller
• Manufacturer: ATMEL Corporation

PMC System Clock Status Register
Register Name: PMC_SCSR
Access Type:
• PCK: Processor Clock Status
0 = The Processor Clock is disabled.
1 = The Processor Clock is enabled.
• UDP: USB Device Port Clock Status
0 = The 48 MHz clock of the USB Device Port is disabled.
1 = The 48 MHz clock of the USB Device Port is enabled.
• MCKUDP: USB Device Port Master Clock Automatic Disable on Suspend Status
0 = The automatic disable of the Master clock of the USB Device Port when suspend condition occurs is disabled.
1 = The automatic disable of the Master clock of the USB Device Port when suspend condition occurs is enabled.
• UHP: USB Host Port Clock Status
0 = The 48 MHz clock of the USB Host Port is disabled.
1 = The 48 MHz clock of the USB Host Port is enabled.
• PCK0...PCK3: Programmable Clock Output Status
0 = The corresponding Programmable Clock output is disabled.
1 = The corresponding Programmable Clock output is enabled.
1790A–ATARM–11/03
31
23
15
–
–
–
–
7
Read-only
30
22
14
–
–
–
6
–
29
21
13
–
–
–
5
–
UHP
28
20
12
–
–
–
4
PCK3
27
19
11
–
–
–
3
MCKUDP
PCK2
26
18
10
–
–
2
PCK1
AT91RM3400
UDP
25
17
–
–
9
1
PCK0
PCK
24
16
–
–
8
0
143