參數(shù)資料
型號(hào)： AT43USB351M-AC
廠商： ATMEL CORP
元件分類： 微控制器/微處理器
英文描述： Full-speed/Low-speed USB Microcontroller with ADC and PWM
中文描述： 8-BIT, MROM, 24 MHz, RISC MICROCONTROLLER, PQFP48
封裝： 7 X 7 MM, 1.40 MM HEIGHT, 0.50 MM PITCH, PLASTIC, MS-026BBC, LQFP-48
文件頁數(shù)： 65/101頁
文件大?。?/td> 624K
代理商： AT43USB351M-AC
65
AT43USB351M
3302E–USB–7/04
ADC Characteristics
I/O-Ports
All AVR ports have true Read-Modify-Write functionality when used as general digital I/O
ports. This means that the direction of one port pin can be changed without unintentionally
changing the direction of any other pin with the SBI and CBI instructions. The same applies for
changing drive value if configured as output or enabling/disabling of pull-up resistors if config-
ured as input.
Port A
Port A is an 8-bit bi-directional I/O port. The Port A output buffers can sink or source 2 mA.
Three I/O memory address locations are allocated for the Port A, one each for the Data Regis-
ter PORTA, $1B($3B), Data Direction Register (DDRA), $1A($3A) and the Port A Input Pins
(PINA) $19($39). The Port A Input Pins address is read only, while the Data Register and the
Data Direction Register are read/write.
All port pins have individually selectable pull-up resistors. When pins PA0 to PA7 are used as
inputs and are externally pulled low, they will source current if the internal pull-up resistors are
activated.
Symbol
Parameter
Condition
Min
Typ
Max
Unit
s
Resolution
10
Bits
Integral Non-linearity
V
REF
= VCEXTA
4
LSB
Differential Non-linearity
V
REF
= VCEXTA
4
LSB
Zero Error (Offset)
-2
2
LSB
Full Scale Error
-4
4
LSB
V
REF
input resistance
25
°
C
12
18
24
k
Analog Input Resistance
100
M
Conversion Time
12
768
μs
Clock Frequency
at 50% duty cycle
1
MHz
相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AT43USB353M 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Missed Watchdog Timer Reset
AT43USB353M_03 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Low Cost USB Microcontroller with Hub, ADC and PWM
AT43USB353M_04 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Low Cost Full-speed USB Microcontroller with Embedded Hub, ADC and PWM
AT43USB353M-AC 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Low Cost Full-speed USB Microcontroller with Embedded Hub, ADC and PWM
AT43USB355 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Missed Watchdog Timer Reset
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