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S3F80P5_UM_ REV1.00
EMBEDDED FLASH MEMORY INTERFACE
PROGRAMMING TIP — Sector Erase
Case1. Erase one sector
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ERASE_ONESECTOR:
SB1
LD
FMUSR,#0A5H
; User program mode enable
LD
FMSECH,#40H ; Set sector address 4000H,sector 128,
LD
FMSECL,#00H ; among sector 0~511
LD
FMCON,#10100001B ; Select erase mode enable & Start sector erase
ERASE_STOP:
LD
FMUSR,#00H ; User program mode disable
SB0
s
Case2.Erase flash memory space from sector (n) to sector (n + m)
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•
;;Pre-define the number of sector to erase
LD SecNumH,#00H
; Set sector number
LD SecNumL,#128
; Selection the sector128 ( base address 4000H )
LD R6,#01H
; Set the sector range (m) to erase
LD R7,#7DH
; into High-byte(R6) and Low-byte(R7)
LD R2,SecNumH
LD R3,SecNumL
ERASE_LOOP:
CALL SECTOR_ERASE
XOR P4,#11111111B
; Display ERASE_LOOP cycle
INCW RR2
LD SecNumH,R2
LD SecNumL,R3
DECW RR6
LD R8,R6
OR R8,R7
CP R8,#00H
JP NZ,ERASE_LOOP
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14-9
Содержание S3F80P5X
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Страница 14: ......
Страница 19: ...S3F80P5_UM_ REV1 00 PRODUCT OVERVIEW BLOCK DIAGRAM 24 PIN PACKAGE Figure 1 1 Block Diagram 24 pin 1 3 ...
Страница 48: ...ADDRESS SPACE S3F80P5_UM_ REV1 00 NOTES 2 22 ...
Страница 122: ...INTERRUPT STRUCTURE S3F80P5_UM_ REV1 00 NOTES 5 18 ...
Страница 210: ...INSTRUCTION SET S3F80P5_UM_ REV1 00 NOTES 6 88 ...
Страница 216: ...CLOCK AND POWER CIRCUITS S3F80P5_UM_ REV1 00 NOTES 7 6 ...
Страница 266: ...COUNTER A S3F80P5_UM_ REV1 00 NOTES 12 8 ...
Страница 290: ...EMBEDDED FLASH MEMORY INTERFACE S3F80P5_UM_ REV1 00 NOTES 14 18 ...
Страница 316: ...S3F80P5_UM_ REV1 00 ELECTRICAL DATA STOP LED This LED is ON when the evaluation chip S3E80PB is in stop mode 19 5 ...
Страница 321: ...DEVELOPMENT TOOLS S3F80P5_UM_ REV1 00 NOTES 19 10 ...