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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(yè)數(shù)： | 19/101頁(yè) |
| 文件大?。?/td> | 624K |
| 代理商： | AT43USB351M-AC |
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19
AT43USB351M
3302E–USB–7/04
Figure 5.
Oscillator and PLL
Reset and
Interrupt Handling
The AT43USB351M provides 20 different interrupt sources with 11 separate reset vectors,
each with a separate program vector in the program memory space. Eleven of the interrupt
sources share 2 interrupt reset vectors. These 11 are the USB related interrupts. All interrupts
are assigned individual enable bits which must be set (one) together with the I-bit in the status
register in order to enable the interrupt.
The lowest addresses in the program memory space are automatically defined as the Reset
and Interrupt vectors. The complete list of vectors is shown in Table 7. The list also determines
the priority levels of the different interrupts. The lower the address, the higher is the priority
level. RESET has the highest priority, and next is INT0 – the USB Suspend and Resume Inter-
rupt, etc.
AT43USB351M
XTAL1
XTAL2
LFT
Y1
6.000 MHz
U1
C2
0.01 UF
C1
0.22 UF
R1
100
Table 7.
Reset and Interrupt Vectors
Vector No.
Program Address
Source
Interrupt Definition
1
$000
RESET
External Reset, Power-on Reset and
Watchdog Reset
2
$002
INT0
USB Suspend and Resume
3
$004
INT1
External Interrupt Request 1
4
$006
TIMER1 CAPT
Timer/Counter1 Capture Event
5
$008
TIMER1 COMPA
Timer/Counter1 Compare Match A
6
$00A
TIMER1 COMPB
Timer/Counter1 Compare Match B
7
$00C
TIMER1, OVF
Timer/Counter1 Overflow
8
$00E
TIMER0, OVF
Timer/Counter0 Overflow
9
$010
SPI, STC
SPI Serial Transfer Complete
12
$016
ADC
ADC Conversion Complete
13
$018
USB HW
USB Hardware
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| AT43USB353M-AC | Low Cost 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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