ATSAM3U-EK Atmel, ATSAM3U-EK Datasheet - Page 319

• 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

21.4.1
Name:
Addresses:
Access:
Offset:
• FRDY: Ready Interrupt Enable
0: Flash Ready does not generate an interrupt.
1: Flash Ready (to accept a new command) generates an interrupt.
• FWS: Flash Wait State
This field defines the number of wait states for read and write operations:
• FAM: Flash Access Mode
0: 128-bit access in read Mode only, to enhance access speed.
1: 64-bit access in read Mode only, to enhance power consumption.
No Flash read should be done during change of this register.
6430D–ATARM–25-Mar-11
Number of cycles for Read/Write operations = FWS+1
31
23
15
–
–
–
7
–
EEFC Flash Mode Register
30
22
14
EEFC_FMR
0x400E0800 (0), 0x400E0A00 (1)
Read-write
0x00
–
–
–
6
29
21
13
–
–
–
5
–
28
20
12
–
–
–
4
–
27
19
11
–
–
3
–
26
18
10
–
–
2
–
FWS
SAM3U Series
25
17
–
–
9
1
–
FRDY
FAM
24
16
–
8
0
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