AT91RM3400 Datasheet, PDF (143/461 Pages) ATMEL Corporation – ARM7TDMI™ based Microcontroller

AT91RM3400
PMC System Clock Status Register
Register Name: PMC_SCSR
Access Type: Read-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 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
143