AT91SAM7S32-AI ATMEL [ATMEL Corporation], AT91SAM7S32-AI Datasheet - Page 170

• Manufacturer Part Number: AT91SAM7S32-AI
• Description: AT91 ARM Thumb-based Microcontrollers
• Manufacturer: ATMEL [ATMEL Corporation]

PMC Programmable Clock Register
Register Name: PMC_PCKx
Access Type:
• CSS: Master Clock Selection
• PRES: Programmable Clock Prescaler
170
31
23
15
–
–
–
–
7
AT91SAM7S32 Preliminary
0
0
0
0
1
1
1
1
0
0
1
1
Read/Write
30
22
14
–
–
–
6
–
CSS
29
21
13
–
–
–
–
5
PRES
0
0
1
1
0
0
1
1
0
1
0
1
28
20
12
–
–
–
4
Clock Source Selection
Slow Clock is selected
Main Clock is selected
Reserved
PLL Clock is selected
PRES
27
19
11
–
–
–
3
0
1
0
1
0
1
0
1
26
18
10
–
–
–
2
Master Clock
Selected clock
Selected clock divided by 2
Selected clock divided by 4
Selected clock divided by 8
Selected clock divided by 16
Selected clock divided by 32
Selected clock divided by 64
Reserved
25
17
–
–
–
1
9
6071A–ATARM–28-Oct-04
CSS
24
16
–
–
8
–
0