4 flash memory control status register (fmcs), Flash memory control status register (fmcs) – FUJITSU F2MCTM-16LX User Manual

Page 551

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CHAPTER 24 512K-BIT FLASH MEMORY

24.4

Flash Memory Control Status Register (FMCS)

This section shows the function of the flash memory control status register (FMCS).

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Flash Memory Control Status Register (FMCS)

Figure 24.4-1 Flash Memory Control Status Register (FMCS)

4

5

3

2

1

6

R/W

R/W

R

R/W R/W R/W R/W

0

7

000X0000

B

R/W

RDY

INT

INTE

WE RDY

Re-

served

Re-

served

Re-

served

Re-

served

bit0

Reserved

Reserved bit

0

Always set to "0"

Reset value

bit4

RDY

Flash memory programming/erasing status bit

0

Programming/erasing (next data programming/erasing disabled)

1

Programming/erasing terminated (next data programming/erasing enabled)

R/W

: Read/Write

R

: Read only

W

: Write only

X

: Undefined
: Reset value

bit1

Reserved

Reserved bit

0

Always set to "0"

bit2

Reserved

Reserved bit

0

Always set to "0"

bit3

Reserved

Reserved bit

0

Always set to "0"

bit5

WE

Flash memory programming/erasing enable bit

0

Programming/erasing flash memory area disabled

1

Programming/erasing flash memory area enabled

bit6

RDYINT

Flash memory operation flag bit

Read

Write

0

Programming/erasing

This RDYIN bit cleared

1

Programming/erasing terminated

No effect

bit7

INTE

Flash memory programming/erasing interrupt enable bit

0

Interrupt disabled at end of programming/erasing

1

Interrupt enabled at end of programming/erasing

Address:
0000AE

H

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