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參數(shù)資料
| 型號(hào)： | MK20N512VMD100R |
| 廠商： | FREESCALE SEMICONDUCTOR INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 32-BIT, FLASH, 100 MHz, RISC MICROCONTROLLER, PBGA144 |
| 封裝： | 13 X 13 MM, MAPBGA-144 |
| 文件頁數(shù)： | 25/74頁 |
| 文件大?。?/td> | 1849K |
| 代理商： | MK20N512VMD100R |
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Table 16. 32kHz oscillator DC electrical specifications (continued)
Symbol
Description
Min.
Typ.
Max.
Unit
Cload
Internal load capacitance (programmable)
—
15
—
pF
Vpp
Peak-to-peak amplitude of oscillation
—
0.6
—
V
6.3.3.2 32kHz oscillator frequency specifications
Table 17. 32kHz oscillator frequency specifications
Symbol
Description
Min.
Typ.
Max.
Unit
Notes
fosc_lo
Oscillator crystal
—
32
—
kHz
tstart
Crystal start-up time
—
1000
—
ms
1. Proper PC board layout procedures must be followed to achieve specifications.
6.4 Memories and memory interfaces
6.4.1 Flash (FTFL) electrical specifications
This section describes the electrical characteristics of the FTFL module.
6.4.1.1 Flash timing specifications — program and erase
The following specifications represent the amount of time the internal charge pumps are
active and do not include command overhead.
Table 18. NVM program/erase timing specifications
Symbol
Description
Min.
Typ.
Max.
Unit
Notes
thvpgm4
Longword Program high-voltage time
—
20
TBD
μs
thversscr
Sector Erase high-voltage time
—
20
100
ms
thversblk256k Erase Block high-voltage time for 256 KB
—
160
800
ms
1. Maximum time based on expectations at cycling end-of-life.
Peripheral operating requirements and behaviors
K20 Sub-Family Data Sheet Data Sheet, Rev. 4, 3/2011.
Freescale Semiconductor, Inc.
Preliminary
31
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