ATSAM3U-EK Atmel, ATSAM3U-EK Datasheet - Page 513
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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Figure 30-8. Input Change Interrupt Timings if there are no Additional Interrupt Modes
30.5.11
6430D–ATARM–25-Mar-11
6430D–ATARM–25-Mar-11
Read PIO_ISR
Pin Level
PIO_ISR
MCK
I/O Lines Lock
The other lines are configured in Falling Edge or Low Level detection by default, if they have not
been previously configured. Otherwise, lines 1, 3 and 6 must be configured in Falling Edge/Low
Level detection by writing 32’h0000_004A in PIO_FELLSR.
When an I/O line is controlled by a peripheral (particularly the Pulse Width Modulation Controller
PWM), it can become locked by the action of this peripheral via an input of the PIO controller.
When an I/O line is locked, the write of the corresponding bit in the registers PIO_PER,
PIO_PDR, PIO_MDER, PIO_MDDR, PIO_PUDR, PIO_PUER and PIO_ABSR is discarded in
order to lock its configuration. The user can know at anytime which I/O line is locked by reading
the PIO Lock Status register PIO_LOCKSR. Once an I/O line is locked, the only way to unlock it
is to apply an hardware reset to the PIO Controller.
APB Access
SAM3U Series
SAM3U Series
APB Access
513
513
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