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參數(shù)資料
| 型號(hào)： | R5F212BCSNFP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 16-BIT, FLASH, 20 MHz, RISC MICROCONTROLLER, PQFP48 |
| 封裝： | 10 X 10 MM, 0.50 MM PITCH, PLASTIC, LQFP-48 |
| 文件頁(yè)數(shù)： | 66/138頁(yè) |
| 文件大?。?/td> | 492K |
| 代理商： | R5F212BCSNFP |
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245
4317K–AVR–03/2013
AT90PWM2/3/2B/3B
Figure 21-13. Differential Non-linearity (DNL)
Quantization Error: Due to the quantization of the input voltage into a finite number of codes,
a range of input voltages (1 LSB wide) will code to the same value. Always ± 0.5 LSB.
Absolute Accuracy: The maximum deviation of an actual (unadjusted) transition compared
to an ideal transition for any code. This is the compound effect of offset, gain error,
differential error, non-linearity, and quantization error. Ideal value: ± 0.5 LSB.
21.7
ADC Conversion Result
After the conversion is complete (ADIF is high), the conversion result can be found in the ADC
Result Registers (ADCL, ADCH).
For single ended conversion, the result is:
where V
IN is the voltage on the selected input pin and VREF the selected voltage reference (see
Table 21-3 on page 247 and Table 21-4 on page 248). 0x000 represents analog ground, and
0x3FF represents the selected reference voltage.
If differential channels are used, the result is:
where V
POS is the voltage on the positive input pin, VNEG the voltage on the negative input pin,
GAIN the selected gain factor and V
REF the selected voltage reference. The result is presented
in two’s complement form, from 0x200 (-512d) through 0x1FF (+511d). Note that if the user
wants to perform a quick polarity check of the result, it is sufficient to read the MSB of the result
(ADC9 in ADCH). If the bit is one, the result is negative, and if this bit is zero, the result is posi-
tive. Figure 21-14 shows the decoding of the differential input range.
Table 82 shows the resulting output codes if the differential input channel pair (ADCn - ADCm) is
selected with a reference voltage of V
REF.
Output Code
0x3FF
0x000
0
VREF Input Voltage
DNL
1 LSB
ADC
V
IN
1023
V
REF
--------------------------
=
ADC
V
POS
V
NEG
–
GAIN 512
V
REF
------------------------------------------------------------------------
=
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相關(guān)代理商/技術(shù)參數(shù) |
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| R5F212BCSNFP#U0 | 功能描述:IC R8C/2B MCU FLASH 64-LQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:R8C/2x/2B 標(biāo)準(zhǔn)包裝:250 系列:56F8xxx 核心處理器:56800E 芯體尺寸:16-位 速度:60MHz 連通性:CAN，SCI，SPI 外圍設(shè)備:POR，PWM，溫度傳感器，WDT 輸入/輸出數(shù):21 程序存儲(chǔ)器容量:40KB（20K x 16） 程序存儲(chǔ)器類型:閃存 EEPROM 大小:- RAM 容量:6K x 16 電壓 - 電源 (Vcc/Vdd):2.25 V ~ 3.6 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 6x12b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 125°C 封裝/外殼:48-LQFP 包裝:托盤 配用:MC56F8323EVME-ND - BOARD EVALUATION MC56F8323 |
| R5F212BCSNFP#V2 | 制造商:Renesas Electronics Corporation 功能描述:MCU 2/5V 128K+2KB PB-FREE 64-LQFP - Trays 制造商:Renesas Electronics Corporation 功能描述:MCU 16BIT 128B FLASH 64LQFP |
| R5F212BCSNFP#W4 | 制造商:Renesas Electronics Corporation 功能描述:R8C/2B 128+2/7 2/5V 64LQFP T/R 制造商:Renesas Electronics Corporation 功能描述:R8C/2B 128+2/7 2/5V 64LQFP T/R -20 - +85 - Tape and Reel 制造商:Renesas 功能描述:R8C/2B 128+2/7 2/5V 64LQFP T/R |
| R5F212BCSNFP#X6 | 制造商:Renesas Electronics Corporation 功能描述:MCU 2/5V 128K+2KB PB-FREE 64-LQFP T/R - Tape and Reel 制造商:Renesas Electronics Corporation 功能描述:MCU 16BIT 128B FLASH 64LQFP |
| R5F212BCSNLG | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:RENESAS MCU |
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