ATSAM3U-EK Atmel, ATSAM3U-EK Datasheet - Page 897

• Manufacturer Part Number: ATSAM3U-EK
• Description: KIT EVAL FOR AT91SAM3U CORTEX
• Manufacturer: Atmel
• Type: MCUr

Specifications of ATSAM3U-EK

• Contents: Board
• Processor To Be Evaluated: SAM3U
• Data Bus Width: 32 bit
• Interface Type: RS-232, USB
• Operating Supply Voltage: 3 V
• Silicon Manufacturer: Atmel
• Core Architecture: ARM
• Core Sub-architecture: Cortex - M3
• Silicon Core Number: SAM3U4E
• Silicon Family Name: SAM3U
• Kit Contents: Board CD Docs
• Rohs Compliant: Yes
• For Use With/related Products: AT91SAM3U
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

38.7.1
Name:
Address:
Access:
This register can only be written if the bits WPSWS0 and WPHWS0 are cleared in
page
• DIVA, DIVB: CLKA, CLKB Divide Factor
• PREA, PREB: CLKA, CLKB Source Clock Selection
6430D–ATARM–25-Mar-11
6430D–ATARM–25-Mar-11
DIVA, DIVB
0
1
2-255
PREA, PREB
0
0
0
0
0
0
0
0
1
1
1
Other
928.
31
23
15
–
–
7
PWM Clock Register
0
0
0
0
1
1
1
1
0
0
0
PWM_CLK
0x4008C000
Read-write
0
0
1
1
0
0
1
1
0
0
1
30
22
14
–
–
6
0
1
0
1
0
1
0
1
0
1
0
29
21
13
–
–
5
CLKA, CLKB
CLKA, CLKB clock is turned off
CLKA, CLKB clock is clock selected by PREA, PREB
CLKA, CLKB clock is clock selected by PREA, PREB divided by DIVA, DIVB factor.
Divider Input Clock
MCK
MCK/2
MCK/4
MCK/8
MCK/16
MCK/32
MCK/64
MCK/128
MCK/256
MCK/512
MCK/1024
Reserved
28
20
12
–
–
4
DIVB
DIVA
27
19
11
3
“PWM Write Protect Status Register” on
26
18
10
2
PREB
PREA
SAM3U Series
SAM3U Series
25
17
9
1
24
16
8
0
897
897