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| 型號： | MAC7121VAG40 |
| 廠商： | FREESCALE SEMICONDUCTOR INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 32-BIT, FLASH, 40 MHz, RISC MICROCONTROLLER, PQFP112 |
| 封裝： | 20 X 20 MM, 0.65 MM PITCH, ROHS COMPLIANT, LQFP-112 |
| 文件頁數(shù)： | 27/56頁 |
| 文件大小： | 1216K |
| 代理商： | MAC7121VAG40 |
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ElectricalCharacteristics
MAC7100 Microcontroller Family Hardware Specifications, Rev. 1.2
Preliminary
Freescale Semiconductor
33
3.13.3 Page Erase Timing
The time required to erase a 4 Kbyte program or 1 Kbyte data Flash logical page is calculated using the
formulas:
Eqn. 22
Eqn. 23
3.13.4 Page Erase Verify Timing
The time required to verify that a program Flash page is erased depends on the location of the first
non-blank word. The time required for the operation is calculated using the formula:
Eqn. 24
The time required to verify that a data Flash page is erased is calculated using the formula:
Eqn. 25
3.13.5 Programming Timing
Programming time is dependant on the fIPS and fNVMOP frequencies, and is calculated for a single word
using the formula:
Eqn. 26
Burst programming can be utilized with the program Flash, where up to 32 words in a row can be
programmed consecutively by keeping the command pipeline filled. The time to program a consecutive
word is calculated using the formula:
Eqn. 27
Therefore, the time to program a 32-word row is calculated using the formula:
Eqn. 28
Note that burst programming is more than 2 times faster than single word programming.
3.13.6 Data Signature Timing1
The time required to perform a data signature command is dependant on the number of words or
half-words compressed during the operation, and is calculated using the formula:
Eqn. 29
1. This feature is not available on mask set L49P and L47W devices.
t
erap
4096 t
NVMOP
15
+
t
IPS
=
t
erad
1024 t
NVMOP
15
+
t
IPS
=
t
pevp
4
1024
×
4
----------------------
15
+
t
IPS
×
=
t
pevd
1
1024
×
4
----------------------
15
+
t
IPS
×
=
t
swpgm
9t
NVMOP
25 t
IPS
+
=
t
bwpgm
4t
NVMOP
9t
IPS
+
=
t
brpgm
t
swpgm
31 t
bwpgm
+
=
t
dsig
Words or Half-Words
15
+
() t
IPS
=
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAC7121VAG50 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Microcontroller Family Hardware Specifications |
| MAC7121VFU | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:MAC7100 Microcontroller Family Hardware Specifications |
| MAC7121VFU50 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Microcontroller Family Hardware Specifications |
| MAC7121VPV | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:MAC7100 Microcontroller Family Hardware Specifications |
| MAC7121VPV50 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Microcontroller Family Hardware Specifications |
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