Atmel SAM4S Xplained Pro Starter and Evaluation Kit ATSAM4S-XPRO ATSAM4S-XPRO Data Sheet
Product codes
ATSAM4S-XPRO
SAM4S Series [DATASHEET]
Atmel-11100G-ATARM-SAM4S-Datasheet_27-May-14
366
20.5.1 EEFC Flash Mode Register
Name:
EEFC_FMR
Address:
0x400E0A00 (0), 0x400E0C00 (1)
Access:
Read/Write
Offset
:
0x00
• FRDY: Ready Interrupt Enable
0: Flash Ready does not generate an interrupt.
1: Flash Ready (to accept a new command) generates 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:
Number of cycles for Read/Write operations = FWS+1
• SCOD: Sequential Code Optimization Disable
0: The sequential code optimization is enabled.
1: The sequential code optimization is disabled.
No Flash read should be done during change of this register.
1: The sequential code optimization is disabled.
No Flash read should be done during change of this register.
• 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.
1: 64-bit access in read mode only, to enhance power consumption.
No Flash read should be done during change of this register.
• CLOE: Code Loop Optimization Enable
0: The opcode loop optimization is disabled.
1: The opcode loop optimization is enabled.
No Flash read should be done during change of this register.
1: The opcode loop optimization is enabled.
No Flash read should be done during change of this register.
31
30
29
28
27
26
25
24
–
–
–
–
–
CLOE
–
FAM
23
22
21
20
19
18
17
16
–
–
–
–
–
–
–
SCOD
15
14
13
12
11
10
9
8
–
–
–
–
FWS
7
6
5
4
3
2
1
0
–
–
–
–
–
–
–
FRDY