参数资料
型号: PIC12F1822T-I/MF
厂商: Microchip Technology
文件页数: 72/109页
文件大小: 0K
描述: MCU 8BIT 2K FLASH 8DFN
标准包装: 3,300
系列: PIC® XLP™ 12F
核心处理器: PIC
芯体尺寸: 8-位
速度: 32MHz
连通性: I²C,LIN,SPI,UART/USART
外围设备: 欠压检测/复位,POR,PWM,WDT
输入/输出数: 6
程序存储器容量: 3.5KB(2K x 14)
程序存储器类型: 闪存
EEPROM 大小: 256 x 8
RAM 容量: 128 x 8
电压 - 电源 (Vcc/Vdd): 1.8 V ~ 5.5 V
数据转换器: A/D 4x10b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 8-VDFN 裸露焊盘
包装: 带卷 (TR)
256
7674F–AVR–09/09
ATmega164P/324P/644P
21.8
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 258 and Table 21-4 on page 259). 0x000 represents analog ground, and
0x3FF represents the selected reference voltage minus one LSB.
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 results, it is sufficient to read the MSB of the result
(ADC9 in ADCH). If this bit is one, the result is negative, and if this bit is zero, the result is posi-
tive. Figure 21-14 on page 257 shows the decoding of the differential input range.
Table 21-2 on page 257 shows the resulting output codes if the differential input channel pair
(ADCn - ADCm) is selected with a gain of GAIN and a reference voltage of V
REF.
ADC
VIN 1024
VREF
-----------------------------
=
ADC
VPOS VNEG
() GAIN 512
VREF
------------------------------------------------------------------------------
=
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PIC12F1840 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:8-Pin Flash Microcontrollers with nanoWatt XLP Technology
PIC12F1840-E/MF 功能描述:8位微控制器 -MCU 7KB Flash EEPROM 256b nanoWatt RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
PIC12F1840-E/MF 制造商:Microchip Technology Inc 功能描述:; Controller Family/Series:PIC12F; Core
PIC12F1840-E/P 功能描述:8位微控制器 -MCU 7KB Flash EEPROM 256b nanoWatt RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
PIC12F1840-E/P 制造商:Microchip Technology Inc 功能描述:; Controller Family/Series:PIC12F; Core 制造商:Microchip Technology Inc 功能描述:IC MCU, PIC12F, 32MHz, 8-DIP