AT91SAM7S64C-AU View Datasheet(PDF) - Atmel Corporation

Part Name

Description

Manufacturer

AT91SAM7S64C-AU

AT91SAM ARM-based Flash MCU

Atmel Corporation 

19.3.1 MC Flash Mode Register

Register Name:

MC_FMR

Access Type:

Read-write

Offset: (EFC0)

0x60

Offset: (EFC1)

0x70

31

30

29

28

27

–

–

–

–

–

23

22

21

20

19

FMCN

15

14

13

12

11

–

–

–

–

–

7

6

5

4

3

NEBP

–

–

–

PROGE

• FRDY: Flash Ready Interrupt Enable

0: Flash Ready does not generate an interrupt.

1: Flash Ready generates an interrupt.

• LOCKE: Lock Error Interrupt Enable

0: Lock Error does not generate an interrupt.

1: Lock Error generates an interrupt.

• PROGE: Programming Error Interrupt Enable

0: Programming Error does not generate an interrupt.

1: Programming Error generates an interrupt.

• NEBP: No Erase Before Programming

0: A page erase is performed before programming.

1: No erase is performed before programming.

• FWS: Flash Wait State

This field defines the number of wait states for read and write operations:

FWS

0

1

2

3

Read Operations

1 cycle

2 cycles

3 cycles

4 cycles

26

–

18

10

–

2

LOCKE

25

24

–

–

17

16

9

8

FWS

1

0

–

FRDY

Write Operations

2 cycles

3 cycles

4 cycles

4 cycles

• FMCN: Flash Microsecond Cycle Number

SAM7S Series [DATASHEET]

6175M–ATARM–26-Oct-12

115

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