參數(shù)資料
型號(hào): MC68HC916X1CTH16
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 16.78 MHz, MICROCONTROLLER, PQFP120
封裝: QFP-120
文件頁數(shù): 37/172頁
文件大?。?/td> 1200K
代理商: MC68HC916X1CTH16
MC68HC916X1
MOTOROLA
MC68HC916X1TS/D
131
Figure 22 Programming Flow
FEEPROM PGM FLOW1 TD
npp COUNTER = 50 ?
LOCATION FAILED
TO PROGRAM
npp = 0 ?
READ LOCATION
TO VERIFY
DATA CORRECT ?
CLEAR LAT
DONE
PROGRAMMING
REDUCE VFPE TO
NORMAL READ LEVEL,
EXIT PROGRAM ROUTINE
INCREASE VFPE TO
PROGRAM/ERASE/VERIFY LEVEL
CLEAR npp COUNTER,
CLEAR MARGIN FLAG
SET LAT,
CLEAR ERAS
WRITE DATA
TO ADDRESS
SET ENPE
START PROGRAM PULSE
TIMER (pwpp)
DELAY FOR pwpp
CLEAR ENPE,
START tpr TIMER
DELAY FOR tpr
MARGIN FLAG
SET ?
INCREMENT npp COUNTER,
READ LOCATION TO VERIFY
DATA CORRECT ?
SET MARGIN FLAG
DECREMENT
npp COUNTER
INCREMENT ADDRESS
Y
N
Y
N
Y
N
Y
N
1
2
3
4
NOTES:
1. SEE ELECTRICAL CHARACTERISTICS FOR VFPE PIN VOLTAGE SEQUENCING.
2. THE MARGIN FLAG IS A SOFTWARE-DEFINED FLAG THAT INDICATES WHETHER THE PROGRAM SEQUENCE IS
GENERATING PROGRAM PULSES OR MARGIN PULSES.
3. TO SIMPLIFY THE PROGRAM OPERATION, THE VFPE BIT IN FEExCTL CAN BE SET.
N
Y
4. CLEAR VFPE BIT ALSO IF ROUTINE USES THIS FUNCTION.
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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