參數(shù)資料
型號: ADUC841
廠商: Analog Devices, Inc.
英文描述: MicroConverter 12-Bit ADCs and DACs with Embedded High Speed 62-kB Flash MCU
中文描述: MicroConverter的12位ADC和嵌入式高速DAC的62 - kB的閃存微控制器
文件頁數(shù): 24/88頁
文件大?。?/td> 903K
代理商: ADUC841
ADuC841/ADuC842/ADuC843
ADCCON1—(ADC Control SFR 1)
The ADCCON1 register controls conversion and acquisition
times, hardware conversion modes, and power-down modes as
detailed below.
Rev. 0 | Page 24 of 88
SFR Address
SFR Power-On Default
Bit Addressable
Table 7. ADCCON1 SFR Bit Designations
Bit No.
Name
7
MD1
EFH
40H
No
Description
The mode bit selects the active operating mode of the ADC.
Set by the user to power up the ADC.
Cleared by the user to power down the ADC.
Set by the user to select an external reference.
Cleared by the user to use the internal reference.
The ADC clock divide bits (CK1, CK0) select the divide ratio for the PLL master clock (ADuC842/ADuC843) or the
external crystal (ADuC841) used to generate the ADC clock. To ensure correct ADC operation, the divider ratio
must be chosen to reduce the ADC clock to 8.38 MHz or lower. A typical ADC conversion requires 16 ADC clocks
plus the selected acquisition time.
The divider ratio is selected as follows:
CK1
0
0
1
1
1
2
The ADC acquisition select bits (AQ1, AQ0) select the time provided for the input track-and-hold amplifier to
acquire the input signal. An acquisition of three or more ADC clocks is recommended; clocks are as follows:
AQ1
0
0
1
1
1
4
The Timer 2 conversion bit (T2C) is set by the user to enable the Timer 2 overflow bit to be used as the ADC
conversion start trigger input.
The external trigger enable bit (EXC) is set by the user to allow the external Pin P3.5 (CONVST) to be used as the
active low convert start input. This input should be an active low pulse (minimum pulse width >100 ns) at the
required sample rate.
6
EXT_REF
5
4
CK1
CK0
CK0
0
1
0
MCLK Divider
32
4 (Do not use with a CD setting of 0)
8
3
2
AQ1
AQ0
AQ0
0
1
0
No. ADC Clks
1
2
3
1
T2C
0
EXC
相關(guān)PDF資料
PDF描述
ADUC841BCP62-3 MicroConverter 12-Bit ADCs and DACs with Embedded High Speed 62-kB Flash MCU
ADUC841BCP62-5 Cable Gland (Clamp); Connector Shell Size:10SL, 12S; Thread Size:5/8-24; Approval Categories:MIL-C-5015; Series:97 RoHS Compliant: Yes
ADUC841BCP8-3 10-823955-004
ADUC841BCP8-5 Cable Gland (Clamp); Connector Shell Size:14, 14S; Thread Size:3/4-20; Body Material:Zinc Alloy
ADUC841BS62-3 MicroConverter 12-Bit ADCs and DACs with Embedded High Speed 62-kB Flash MCU
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADUC841BCP32-5 制造商:Analog Devices 功能描述:MICROCONVERTER 1-CYCLE VERSION ADUC829 - Trays
ADUC841BCP62-3 制造商:Analog Devices 功能描述:MCU 8-Bit ADuC8xx 8052 CISC 62KB Flash 3V 56-Pin LFCSP EP 制造商:Rochester Electronics LLC 功能描述:8BIT CISC 62KB FLASH 20MHZ 3.3V 56LFCSP - Bulk
ADUC841BCP62-5 制造商:Analog Devices 功能描述:MCU 8-Bit ADuC8xx 8052 CISC 62KB Flash 5V 56-Pin LFCSP EP
ADUC841BCP8-3 制造商:Analog Devices 功能描述:MCU 8-bit ADuC8xx 8052 CISC 62KB Flash 3V 56-Pin LFCSP EP 制造商:Rochester Electronics LLC 功能描述:8BIT CISC 62KB FLASH 20MHZ 3.3V 56LFCSP - Bulk
ADUC841BCP8-5 制造商:AD 制造商全稱:Analog Devices 功能描述:MicroConverter 12-Bit ADCs and DACs with Embedded High Speed 62-kB Flash MCU