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| 型號(hào)： | MC68C912B32FU8 |
| 廠商： | MOTOROLA INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 16-Bit Microcontroller |
| 中文描述： | 16-BIT, FLASH, 8 MHz, MICROCONTROLLER, PQFP80 |
| 封裝： | QFP-80 |
| 文件頁(yè)數(shù)： | 42/128頁(yè) |
| 文件大小： | 748K |
| 代理商： | MC68C912B32FU8 |
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MOTOROLA
42
MC68HC912B32
MC68HC912B32TS/D
7.6 Programming the Flash EEPROM
Programming the Flash EEPROM is accomplished by the following sequence. The V
FP
pin voltage
must be at the proper level prior to executing step 4 the first time.
1.
2.
Apply program/erase voltage to the V
FP
pin.
Clear ERAS and set the LAT bit in the FEECTL register to establish program mode and enable
programming address and data latches.
Write data to a valid address. The address and data is latched. If BOOTP is asserted, an at-
tempt to program an address in the boot block will be ignored.
Apply programming voltage by setting ENPE.
Delay for one programming pulse (t
PPULSE
).
Remove programming voltage by clearing ENPE.
Delay while high voltage is turning off (t
VPROG
).
Read the address location to verify that it has been programmed
If the location is not programmed, repeat steps 4 through 7 until the location is programmed
or until the specified maximum number of program pulses has been reached (n
PP
)
If the location is programmed, repeat the same number of pulses as required to program the
location. This provides 100% program margin.
Read the address location to verify that it remains programmed.
10. Clear LAT.
11. If there are more locations to program, repeat steps 2 through 10.
12. Turn off V
FP
(reduce voltage on V
FP
pin to V
DD
).
The flowchart in
Figure 7
demonstrates the recommended programming sequence.
3.
4.
5.
6.
7.
8.
9.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC68CK16Z1 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:M68HC16Z Series |
| MC68CK16Z1CAG16 | 功能描述:16位微控制器 - MCU 16BIT 1KRAM 32KHZ CRYSTAL RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲(chǔ)器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT |
| MC68CK16Z1CAG16 | 制造商:Freescale Semiconductor 功能描述:Microcontroller |
| MC68CK16Z1CFC16 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:M68HC16Z Series |
| MC68CK16Z1CPV16 | 功能描述:16位微控制器 - MCU 16 Bit 16MHz RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲(chǔ)器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT |
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