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參數(shù)資料
| 型號： | 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)： | 38/101頁 |
| 文件大?。?/td> | 624K |
| 代理商： | AT43USB351M-AC |
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38
AT43USB351M
3302E–USB–7/04
Timer/Counters
The AT43USB351M provides two general-purpose Timer/Counters - one 8-bit T/C and one
16-bit T/C. The Timer/Counters have individual prescaling selection from the same 10-bit
prescaling timer. Both Timer/Counters can either be used as a timer with an internal clock
timebase or as a counter with an external pin connection which triggers the counting.
Timer/Counter
Prescaler
The four different prescaled selections are: CK/8, CK/64, CK/256 and CK/1024 where CK is
the oscillator clock. For the two Timer/Counters, added selections as CK, external source and
stop, can be selected as clock sources.
Note:
When the AT43USB351M MCU is operating at 24 MHz, the MCU clock frequency is halved
before it is used in the Timer/Counter Prescaler circuit. The source clock for the Timer/Counter
is always 12 MHz.
Figure 10.
Timer/Counter Prescaler
10-bit T/C Prescaler
CS00
CS01
CS02
CS10
CS11
CS12
0
0
CK
T0
T1
C
C
C
C
Timer/Counter1 Clock Source
TCK1
Timer/Counter0 Clock Source
TCK0
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| AT43USB353M-AC | Low Cost Full-speed USB Microcontroller with Embedded Hub, ADC and PWM |
| AT43USB355E-AC | Full-speed USB Microcontroller with Embedded Hub, ADC and PWM |
| AT43USB355E-AU | Full-speed USB Microcontroller with Embedded Hub, ADC and PWM |
| AT43USB355M-AC | Full-speed USB Microcontroller with Embedded Hub, ADC and PWM |
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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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