ATSAM3U-EK Atmel, ATSAM3U-EK Datasheet - Page 433
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
- ATSAM3U-EK PDF datasheet
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- ATSAM3U-EK PDF datasheet #3
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25.18.21 SMC Mode Register
Name:
Address:
Access:
Reset:
• READ_MODE
1 (NRD_CTRL): The Read operation is controlled by the NRD signal.
0 (NCS_CTRL): The Read operation is controlled by the NCS signal.
• WRITE_MODE
1 (NWE_CTRL): The Write operation is controlled by the NWE signal.
0 (NCS_CTRL): The Write operation is controller by the NCS signal.
• EXNW_MODE: NWAIT Mode
The NWAIT signal is used to extend the current read or write signal. It is only taken into account during the pulse phase
Read and Write controlling signal. When the use of NWAIT is enabled, at least one cycle hold duration must be pro-
grammed for the read and write controlling signal
• BAT: Byte Access Type
This field is used only if DBW defines a 16-bit data bus.
6430D–ATARM–25-Mar-11
6430D–ATARM–25-Mar-11
• Disabled: The NWAIT input signal is ignored on the corresponding Chip Select.
• Frozen Mode: If asserted, the NWAIT signal freezes the current read or write cycle. After deassertion, the read/write
• Ready Mode: The NWAIT signal indicates the availability of the external device at the end of the pulse of the controlling
cycle is resumed from the point where it was stopped.
read or write signal, to complete the access. If high, the access normally completes. If low, the access is extended until
NWAIT returns high.
31
23
15
–
–
–
7
–
Value
0
1
2
3
0x400E0080 [0], 0x400E0094 [1], 0x400E00A8 [2], 0x400E00BC [3]
0x10000003
SMC_MODEx [x=0..3]
Read-write
30
22
14
–
–
–
6
–
DISABLED
FROZEN
READY
Name
29
21
13
–
–
–
5
EXNW_MODE
Description
Disabled
Reserved
Frozen Mode
Ready Mode
TDF_MODE
DBW
28
20
12
–
4
27
19
11
–
–
3
–
26
18
10
–
–
2
–
TDF_CYCLES
WRITE_MODE READ_MODE
SAM3U Series
SAM3U Series
25
17
–
9
–
1
BAT
24
16
–
8
0
433
433
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