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參數(shù)資料
| 型號(hào)： | AT43USB353M-AC |
| 廠商： | ATMEL CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | Low Cost Full-speed USB Microcontroller with Embedded Hub, 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)： | 45/95頁 |
| 文件大小： | 568K |
| 代理商： | AT43USB353M-AC |
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45
AT43USB353M
3307B–USB–4/04
value, but the down-counting compare match is not interpreted to be reached before the next
time the counter reaches the TOP value, making a one-period PWM pulse.
Note:
X = A or B
In PWM mode, the Timer Overflow Flag1, TOV1, is set when the counter advances from
$0000. Timer Overflow Interrupt1 operates exactly as in normal Timer/Counter mode, i.e. it is
executed when TOV1 is set provided that Timer Overflow Interrupt1 and global interrupts are
enabled. This also applies to the Timer Output Compare1 flags and interrupts.
Watchdog Timer
The Watchdog Timer is clocked from a 1 MHz clock derived from the 6 MHz on chip oscillator.
By controlling the Watchdog Timer prescaler, the Watchdog reset interval can be adjusted,
see Table 20 for a detailed description. The WDR (Watchdog Reset) instruction resets the
Watchdog Timer. Eight different clock cycle periods can be selected to determine the reset
period. If the reset period expires without another Watchdog reset, the AT43USB355 resets
and executes from the reset vector.
To prevent unintentional disabling of the watchdog, a special turn-off sequence must be fol-
lowed when the watchdog is disabled. Refer to the description of the Watchdog Timer Control
Register for details.
Figure 14.
Watchdog Timer
Table 19.
PWM Outputs OCR1X = $0000 or Top
COM1X1
COM1X0
OCR1X
Output OC1X
1
0
$0000
L
1
0
TOP
H
1
1
$0000
H
1
1
TOP
L
O
O
O
O
O
O
O
O
1 MHz Clock
MCU Reset
WDE
WDP2
WDP1
WDP0
Watchdog
Reset
Watchdog Prescaler
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PDF描述 |
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| 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 |
| AT43USB355M-AU | Full-speed USB Microcontroller with Embedded Hub, ADC and PWM |
| AT43USB380 | On-The-Go Upgrade of the AT43USB370 USB 2.0 Full-Speed Host/Function Processor |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AT43USB355 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Missed Watchdog Timer Reset |
| AT43USB355_02 | 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 |
| AT43USB355_06 | 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 |
| AT43USB355E-AC | 功能描述:8位微控制器 -MCU USB GAME CONTROL w/EMBED HUB-COM TEMP 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(shí)鐘頻率:50 MHz 程序存儲(chǔ)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(fēng)格:SMD/SMT |
| 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(shí)鐘頻率:50 MHz 程序存儲(chǔ)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(fēng)格:SMD/SMT |
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