参数资料
型号: ADUC814BRU
厂商: Analog Devices Inc
文件页数: 17/72页
文件大小: 0K
描述: IC ADC 12BIT W/FLASH MCU 28TSSOP
标准包装: 50
系列: MicroConverter® ADuC8xx
核心处理器: 8052
芯体尺寸: 8-位
速度: 16.78MHz
连通性: I²C,SPI,UART/USART
外围设备: POR,PSM,温度传感器,WDT
输入/输出数: 17
程序存储器容量: 8KB(8K x 8)
程序存储器类型: 闪存
EEPROM 大小: 640 x 8
RAM 容量: 256 x 8
电压 - 电源 (Vcc/Vdd): 2.7 V ~ 5.5 V
数据转换器: A/D 6x12b; D/A 2x12b
振荡器型: 内部
工作温度: -40°C ~ 125°C
封装/外壳: 28-TSSOP(0.173",4.40mm 宽)
包装: 管件
配用: EVAL-ADUC814QSZ-ND - KIT DEV FOR ADUC814 MICROCONVRTR
ADuC814
Rev. A | Page 24 of 72
ADCCON3 (ADC CONTROL SFR 3)
The ADCCON3 register controls the operation of various calibration modes as well as giving an indication of ADC busy status.
SFR Address
F5H
SFR Power-On Default
00H
BUSY
GNCLD
AVGS1
AVGS0
OFCLD
MODCAL
TYPECAL
SCAL
Table 8. ADCCON3 SFR Bit Designations
Bit No.
Name
Description
7
BUSY
ADC Busy Status Bit.
BUSY is a read-only status bit that is set during a valid ADC conversion or calibration cycle.
Busy is automatically cleared by the core at the end of a conversion or calibration cycle.
6
GNCLD
Gain Calibration Disable Bit.
This bit enables/disables the gain calibration coefficients from affecting the ADC results.
Set to 0 to enable gain calibration coefficient
Set to 1 to disable gain calibration coefficient.
5
AVGS1
Number of Averages Selection Bits.
4
AVGS0
This bit selects the number of ADC readings averaged for each bit decision during a calibration cycle.
AVGS1
AVGS0
Number of Averages
0
15
0
1
0
31
1
63
3
OFCLD
Offset Calibration Disable Bit.
This bit enables/disables the offset calibration coefficients from affecting the ADC results.
Set to 0 to enable offset calibration coefficient.
Set to 1 to disable the offset calibration coefficient
2
MODCAL
Calibration Mode Select Bit.
This bit should be set to 1 for all calibration cycles.
1
TYPECAL
Calibration Type Select Bit.
This bit selects between offset (zero-scale) and gain (full-scale) calibration.
Set to 0 for offset calibration.
Set to 1 for gain calibration.
0
SCAL
Start Calibration Cycle Bit.
When set, this bit starts the selected calibration cycle.
It is automatically cleared when the calibration cycle is completed.
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