參數(shù)資料
型號： AT43USB355E-AC
廠商： ATMEL CORP
元件分類： 微控制器/微處理器
英文描述： Full-speed USB Microcontroller with Embedded Hub, ADC and PWM
中文描述： 8-BIT, MROM, 12 MHz, RISC MICROCONTROLLER, PQFP64
封裝： 1.40 MM, PLASTIC, MS-026ACB, LQFP-64
文件頁數(shù)： 65/115頁
文件大?。?/td> 610K
代理商： AT43USB355E-AC
65
AT43USB355
2603G–USB–04/06
ADC Data Register – ADCL and ADCH
When an ADC conversion is complete, the result is found in these two registers. In Free Run
Mode, it is essential that both registers are read, and that ADCL is read before ADCH.
Scanning Multiple
Channels
Since change of analog channels is always delayed until a conversion is finished, the Free
Run Mode can be used to scan multiple channels without interrupting the converter. Typically,
the ADC Conversion Complete interrupt will be used to perform the channel shift. However,
the user should take the following fact into consideration:
The interrupt triggers once the result is ready to be read. In Free Run Mode, the next conver-
sion will start immediately when the interrupt triggers. If ADMUX is changed after the interrupt
triggers, the next conversion has already started and the old setting is used.
Table 23.
ADC Prescaler Selections
ADPS2
ADPS1
ADPS0
Division Factor
0
0
0
2
0
0
1
2
0
1
0
4
0
1
1
8
1
0
0
16
1
0
1
32
1
1
0
64
1
1
1
128
Bit
7
6
5
4
3
2
1
0
$03 ($23)
–
–
–
–
–
–
ADC9
ADC8
ADCH
$24 ($44)
ADC7
ADC6
ADC5
ADC4
ADC3
ADC2
ADC1
ADC0
ADCL
Read/Write
R
R
R
R
R
R
R
R
Initial Value
0
0
0
0
0
0
0
0
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AT43USB355E-AU 功能描述:8位微控制器 -MCU USB GAME CONTROL w/ EMBED HUB RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
AT43USB355M-AC 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Full-speed USB Microcontroller with Embedded Hub, ADC and PWM
AT43USB355M-AU 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Full-speed USB Microcontroller with Embedded Hub, ADC and PWM
AT43USB370 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:USB 2.0 Full-Speed Host/Function Processor
AT43USB370E-AC 功能描述:USB 接口集成電路 USB HOST DEVICE CONTROL - COM TEMP RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類型:SPI 工作電源電壓:3.15 V to 3.45 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:WLCSP-20
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