參數(shù)資料
型號： AT90USB646
廠商： Atmel Corp.
英文描述： Microcontroller with 64/128K Bytes of ISP Flash and USB Controller
中文描述： 微控制器與64/128K的ISP字節(jié)閃存和USB控制器
文件頁數(shù)： 57/132頁
文件大?。?/td> 10886K
代理商： AT90USB646
222
ATmega8535(L)
2502K–AVR–10/06
The ADC Data Register –
ADCL and ADCH
ADLAR = 0
ADLAR = 1
When an ADC conversion is complete, the result is found in these two registers. If differ-
ential channels are used, the result is presented in two’s complement form.
When ADCL is read, the ADC Data Register is not updated until ADCH is read. Conse-
quently, if the result is left adjusted and no more than 8-bit precision is required, it is
sufficient to read ADCH. Otherwise, ADCL must be read first, then ADCH.
The ADLAR bit in ADMUX, and the MUXn bits in ADMUX affect the way the result is
read from the registers. If ADLAR is set, the result is left adjusted. If ADLAR is cleared
(default), the result is right adjusted.
ADC9:0: ADC Conversion Result
These bits represent the result from the conversion, as detailed in “ADC Conversion
Table 86. ADC Prescaler Selections
ADPS2
ADPS1
ADPS0
Division Factor
00
0
2
00
1
2
01
0
4
01
1
8
10
0
16
10
1
32
11
0
64
1
128
Bit
151413121110
9
8
–
ADC9
ADC8
ADCH
ADC7
ADC6
ADC5
ADC4
ADC3
ADC2
ADC1
ADC0
ADCL
765
43210
Read/Write
RRRRR
RRR
RRRRR
RRR
Initial Value
000
00000
000
00000
Bit
151413121110
9
8
ADC9
ADC8
ADC7
ADC6
ADC5
ADC4
ADC3
ADC2
ADCH
ADC1
ADC0
–
–––––
ADCL
765
43210
Read/Write
RRRRR
RRR
RRRRR
RRR
Initial Value
000
00000
000
00000
相關PDF資料
PDF描述
ATtiny28L 8-Bit AVR Microcontroller with 2K bytes Flash(8位AVR技術微控制器(帶2K字節(jié)閃速存儲器))
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ATMEGA32 8-bit AVR Microcontroller with 32K Bytes In-System Programmable Flash
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相關代理商/技術參數(shù)
參數(shù)描述
AT90USB646_0607 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-bit Microcontroller with 64/128K Bytes of ISP Flash and USB Controller
AT90USB646_08 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-bit Microcontroller with 64/128K Bytes of ISP Flash and USB Controller
AT90USB646_09 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Microcontroller with 64/128K Bytes of ISP Flash and USB Controller
AT90USB646-16MU 功能描述:8位微控制器 -MCU AVR USB 64K FLASH5V 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
AT90USB646-AU 功能描述:8位微控制器 -MCU USB 64K FLASH 16 MHz 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
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