參數(shù)資料
型號(hào): AN2635
廠商: 飛思卡爾半導(dǎo)體(中國(guó))有限公司
英文描述: On-Chip FLASH Programming Routines
中文描述: 片上閃存編程例程
文件頁(yè)數(shù): 21/36頁(yè)
文件大?。?/td> 150K
代理商: AN2635
On-Chip Routines Flowcharts
On-Chip FLASH Programming Routines, Rev. 4
Freescale Semiconductor
21
Figure 6. PRGRNGE Routine, Part 2
SERVICE COP
PRGstep1
STEP 9: DECREMENTED
ByteCntr = 0
NO
STEP 1: SET PGM BIT
STEP 2: READ FLBPR
STEP 3: WRITE ANY DATA TO A
FLASH ADDRESS (H:X)
STEP 4: DELAY t
NVS
STEP 5: SET HVEN BIT
STEP 6: DELAY t
PGS
READ RAM DATA POINTED
BY RamPntrLo
STEP 7: WRITE DATA TO A
FLASH ADDRESS (H:X)
STEP 8: DELAY t
[BUS CYCLES]
FOR CPUSPD = 4,
t
prog
= 38
PRGstep7:
FOR CPUSPD = 5 TO 34,
t
prog
= 2 x CPUSPD – 9
H:X
=
H:X + 1
SET A NEXT RAM LOCATION
BY INCREMENTING RamPntrLo
YES
STEP 10: CLEAR PGM BIT
STEP 11: DELAY t
NVH
STEP 12: CLEAR HVEN BIT
SERVICE COP
RTS
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