S3F80JB

EMBEDDED FLASH MEMORY INTERFACE

 

 

 

 

 

 

Start

 

 

 

 

 

 

 

 

 

 

 

 

 

SB1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FMSECH

 

 

High Address of Sector

 

FMSECL

 

 

Low Address of Sector

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R(n)

 

 

High Address to Write

 

R(n+1)

 

 

Low Address to Write

 

R(data)

 

 

8-bit Data

 

 

 

 

 

 

 

FMUSR

 

 

#0A5H

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FMCON

 

 

#01010000B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LDC @RR(n),R(data)

FMUSR #00H

SB0

Finish 1-BYTE Writing

;Select Bank1

;Set Secotr Base Address

;Set Address and Data

;User Program Mode Enable

;Mode Select

;Write data at flash

;User Program Mode Disable

;Select Bank0

Figure 15-9. Byte Program Flowchart in a User Program Mode

15-13

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Image 292
Samsung S3F80JB manual Byte Program Flowchart in a User Program Mode