ATSAM3U-EK Atmel, ATSAM3U-EK Datasheet - Page 937
ATSAM3U-EK
Manufacturer Part Number
ATSAM3U-EK
Description
KIT EVAL FOR AT91SAM3U CORTEX
Manufacturer
Atmel
Type
MCUr
Datasheets
1.ATSAM3U-EK.pdf
(2 pages)
2.ATSAM3U-EK.pdf
(61 pages)
3.ATSAM3U-EK.pdf
(1171 pages)
4.ATSAM3U-EK.pdf
(53 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATSAM3U-EK
Manufacturer:
Atmel
Quantity:
10
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38.7.38
Name:
Address:
Access:
This register can only be written if the bits WPSWS3 and WPHWS3 are cleared in
page
Only the first 16 bits (channel counter size) are significant.
• CPRD: Channel Period
If the waveform is left-aligned, then the output waveform period depends on the channel counter source clock and can be
calculated:
If the waveform is center-aligned, then the output waveform period depends on the channel counter source clock and can
be calculated:
6430D–ATARM–25-Mar-11
6430D–ATARM–25-Mar-11
928.
– By using the PWM master clock (MCK) divided by an X given prescaler value (with X being 1, 2, 4, 8, 16, 32,
– By using the PWM master clock (MCK) divided by one of both DIVA or DIVB divider, the formula becomes,
– By using the PWM master clock (MCK) divided by an X given prescaler value (with X being 1, 2, 4, 8, 16, 32,
– By using the PWM master clock (MCK) divided by one of both DIVA or DIVB divider, the formula becomes,
31
23
15
–
7
(
------------------------------------------ -
(
----------------------------------------------------- -
64, 128, 256, 512, or 1024). The resulting period formula will be:
respectively:
64, 128, 256, 512, or 1024). The resulting period formula will be:
respectively:
(
------------------------------- -
(
------------------------------------------ -
2
2
X
CRPD
×
×
×
PWM Channel Period Register
MCK
X
CPRD
CPRD
MCK
MCK
×
PWM_CPRDx [x=0..3]
0x4008C20C [0], 0x4008C22C [1], 0x4008C24C [2], 0x4008C26C [3]
Read-write
MCK
×
CPRD
DIVA
)
×
DIVA
)
30
22
14
)
–
6
or
)
or
(
------------------------------------------ -
CRPD
(
----------------------------------------------------- -
2
×
MCK
CPRD
×
DIVB
MCK
29
21
13
–
5
×
)
DIVB
)
28
20
12
–
4
CPRD
CPRD
CPRD
27
19
11
–
3
“PWM Write Protect Status Register” on
26
18
10
–
2
SAM3U Series
SAM3U Series
25
17
–
9
1
24
16
–
8
0
937
937
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