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參數資料
型號： ADUC845
廠商： Analog Devices, Inc.
元件分類： ADC
英文描述： MicroConverter Multichannel 24-/16-Bit ADCs with Embedded 62 kB Flash and Single-Cycle MCU
中文描述： MicroConverter的多通道ADC的24-/16-Bit與嵌入式62 kB閃存以及單周期控制器
文件頁數： 40/108頁
文件大小： 1109K
代理商： ADUC845
ADuC845/ADuC847/ADuC848
ADCSTAT (ADC STATUS REGISTER)
This SFR reflects the status of both ADCs including data ready, calibration, and various (ADC-related) error and warning conditions
including REFIN± reference detect and conversion overflow/underflow flags.
Rev. A | Page 40 of 108
SFR Address:
Power-On Default:
Bit Addressable:
D8H
00H
Yes
Table 23. ADCSTAT SFR Bit Designation
Bit No.
Name
7
RDY0
Description
Ready Bit for the Primary ADC.
Set by hardware on completion of conversion or calibration.
Cleared directly by the user or indirectly by a write to the mode bits to start calibration. The primary ADC is
inhibited from writing further results to its data or calibration registers until the RDY0 bit is cleared.
Ready Bit for Auxiliary (ADuC845 only) ADC.
Same definition as RDY0 referred to the auxiliary ADC. Valid on the ADuC845 only.
Calibration Status Bit.
Set by hardware on completion of calibration.
Cleared indirectly by a write to the mode bits to start another ADC conversion or calibration.
Note that calibration with the temperature sensor selected (auxiliary ADC on the ADuC845 only) fails to complete.
No External Reference Bit (only active if primary or auxiliary (ADuC845 only) ADC is active).
Set to indicate that one or both of the REFIN pins is floating or the applied voltage is below a specified threshold.
When set, conversion results are clamped to all 1s. Only detects invalid REFIN±, does not check REFIN2±.
Cleared to indicate valid V
REF
.
Primary ADC Error Bit.
Set by hardware to indicate that the result written to the primary ADC data registers has been clamped to all 0s or
all 1s. After a calibration, this bit also flags error conditions that caused the calibration registers not to be written.
Cleared by a write to the mode bits to initiate a conversion or calibration.
Auxiliary ADC Error Bit. Same definition as ERR0 referred to the auxiliary ADC. Valid on the ADuC845 only.
Not Implemented. Write Don’t Care.
Not Implemented. Write Don’t Care.
6
RDY1
5
CAL
4
NOXREF
3
ERR0
2
1
0
ERR1
–––
–––
相關PDF資料
PDF描述
ADUC845BCP8-3 MicroConverter Multichannel 24-/16-Bit ADCs with Embedded 62 kB Flash and Single-Cycle MCU
ADUC847BCP8-3 MicroConverter Multichannel 24-/16-Bit ADCs with Embedded 62 kB Flash and Single-Cycle MCU
ADUC845BCP8-5 MicroConverter Multichannel 24-/16-Bit ADCs with Embedded 62 kB Flash and Single-Cycle MCU
ADUC847BCP8-5 MicroConverter Multichannel 24-/16-Bit ADCs with Embedded 62 kB Flash and Single-Cycle MCU
ADUC845BCP62-3 MicroConverter Multichannel 24-/16-Bit ADCs with Embedded 62 kB Flash and Single-Cycle MCU
相關代理商/技術參數
參數描述
ADUC845_12 制造商:AD 制造商全稱:Analog Devices 功能描述:MicroConverter?? Multichannel 24-/16-Bit ADCs with Embedded 62 kB Flash and Single-Cycle MCU
ADUC845BCP32-3 制造商:Analog Devices 功能描述:10 CHANNEL 24 BIT DUAL ADC + FAST 8BIT UP - Trays
ADUC845BCP32-5 制造商:Analog Devices 功能描述:10 CHANNEL 24 BIT DUAL ADC + FAST 8BIT UP - Trays
ADUC845BCP62-3 制造商:Analog Devices 功能描述:MCU 8-bit ADuC8xx 8052 CISC 62KB Flash 3.3V/5V 56-Pin LFCSP EP
ADUC845BCP62-5 制造商:AD 制造商全稱:Analog Devices 功能描述:MicroConverter Multichannel 24-/16-Bit ADCs with Embedded 62 kB Flash and Single-Cycle MCU
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