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| 型号： | MK20X256VMD100 |
| 厂商： | FREESCALE SEMICONDUCTOR INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 32-BIT, FLASH, 100 MHz, RISC MICROCONTROLLER, PBGA144 |
| 封装： | 13 X 13 MM, MAPBGA-144 |
| 文件页数： | 36/74页 |
| 文件大小： | 1849K |
| 代理商： | MK20X256VMD100 |
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Table 24. 16-bit ADC operating conditions (continued)
Symbol
Description
Conditions
Min.
Max.
Unit
Notes
Crate
ADC conversion
rate
≤13
bit modes
No ADC hardware
averaging
Continuous
conversions enabled
Peripheral clock =
50MHz
18.484
—
818.330
Ksps
Crate
ADC conversion
rate
16 bit modes
No ADC hardware
averaging
Continuous
conversions enabled
Peripheral clock =
50MHz
37.037
—
361.402
Ksps
1. Typical values assume VDDA = 3.0 V, Temp = 25°C, fADCK = 1.0 MHz unless otherwise stated. Typical values are for
reference only and are not tested in production.
2. DC potential difference.
3. This resistance is external to MCU. The analog source resistance should be kept as low as possible in order to achieve the
best results. The results in this datasheet were derived from a system which has <8 Ω analog source resistance. The RAS/
CAS time constant should be kept to <1ns.
4. In order to use the maximum ADC conversion clock frequency ADHSC bit should be set and the ADLPC should be clear.
5. In order to use the maximum ADC conversion clock frequency ADHSC bit should be set and the ADLPC should be clear.
6. For guidelines and examples of conversion rate calculation please download the ADC calculator tool http://
cache.freescale.com/files/soft_dev_tools/software/app_software/converters/ADC_CALCULATOR_CNV.zip?fpsp=1
7. For guidelines and examples of conversion rate calculation please download the ADC calculator tool http://
cache.freescale.com/files/soft_dev_tools/software/app_software/converters/ADC_CALCULATOR_CNV.zip?fpsp=1
Peripheral operating requirements and behaviors
K20 Sub-Family Data Sheet Data Sheet, Rev. 4, 3/2011.
Freescale Semiconductor, Inc.
Preliminary
41
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