參數(shù)資料
型號(hào)： MK20N512VLK100
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, PQFP80
封裝： 12 X 12 MM, LQFP-80
文件頁(yè)數(shù)： 21/65頁(yè)
文件大小： 1755K
代理商： MK20N512VLK100
Table 15. Oscillator frequency specifications (continued)
Symbol
Description
Min.
Typ.
Max.
Unit
Notes
tcst
Crystal startup time — 32 kHz low-frequency,
low-power mode (HGO=0)
—
TBD
—
ms
2, 3
Crystal startup time — 32 kHz low-frequency,
high-gain mode (HGO=1)
—
800
—
ms
Crystal startup time — 8 MHz high-frequency
(MCG_C2[RANGE]=01), low-power mode
(HGO=0)
—
4
—
ms
Crystal startup time — 8 MHz high-frequency
(MCG_C2[RANGE]=01), high-gain mode
(HGO=1)
—
3
—
ms
1. Other frequency limits may apply when external clock is being used as a reference for the FLL or PLL
2. Proper PC board layout procedures must be followed to achieve specifications.
3. Crystal startup time is defined as the time between the oscillator being enabled and the OSCINIT bit in the MCG_S register
being set.
6.3.3 32kHz Oscillator Electrical Characteristics
This section describes the module electrical characteristics.
6.3.3.1 32kHz oscillator DC electrical specifications
Table 16. 32kHz oscillator DC electrical specifications
Symbol
Description
Min.
Typ.
Max.
Unit
VBAT
Supply voltage
1.71
—
3.6
V
RF
Internal feedback resistor
—
100
—
MΩ
Cpara
Parasitical capacitance of EXTAL32 and XTAL32
—
2.5
—
pF
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
Peripheral operating requirements and behaviors
K20 Sub-Family Data Sheet Data Sheet, Rev. 4, 3/2011.
28
Preliminary
Freescale Semiconductor, Inc.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MK20N512VLL100 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Up to 100 MHz ARM Cortex-M4 core with DSP instructions delivering 1.25 Dhrystone MIPS per MHz
MK20N512VLQ100 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Up to 100 MHz ARM Cortex-M4 core with DSP instructions delivering 1.25 Dhrystone MIPS per MHz
MK20N512VMB100 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Up to 100 MHz ARM Cortex-M4 core with DSP instructions delivering 1.25 Dhrystone MIPS per MHz
MK20N512VMC100 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Up to 100 MHz ARM Cortex-M4 core with DSP instructions delivering 1.25 Dhrystone MIPS per MHz
MK20N512VMD100 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Up to 100 MHz ARM Cortex-M4 core with DSP instructions delivering 1.25 Dhrystone MIPS per MHz
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