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

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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).

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