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參數(shù)資料
| 型號： | AT43USB355M-AU |
| 廠商： | ATMEL CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | Full-speed USB Microcontroller with Embedded Hub, ADC and PWM |
| 中文描述： | 8-BIT, MROM, 12 MHz, RISC MICROCONTROLLER, PQFP64 |
| 封裝： | 1.40 MM, GREEN, PLASTIC, MS-026ACB, LQFP-64 |
| 文件頁數(shù)： | 26/115頁 |
| 文件大?。?/td> | 610K |
| 代理商： | AT43USB355M-AU |
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26
AT43USB355
2603G–USB–04/06
General Interrupt Mask Register – GIMSK
Bit 7 – INT1: External Interrupt Request 1 Enable
When the INT1 bit is set (one) and the I-bit in the Status Register (SREG) is set (one), the
external pin interrupt is enabled. The Interrupt Sense Control1 bits 1/0 (ISC11 and ISC10) in
the MCU general Control Register (MCUCR) defines whether the external interrupt is acti-
vated on rising or falling edge of the INT1 pin or level sensed. Activity on the pin will cause an
interrupt request even if INT1 is configured as an output. The corresponding interrupt of Exter-
nal Interrupt Request 1 is executed from program memory address $004. See also “External
Interrupts” on page 29.
Bit 6 – INT0: Interrupt Request 0 (Suspend/Resume Interrupt) Enable
When the INT0 bit is set (one) and the I-bit in the Status Register (SREG) is set (one), the
external pin interrupt is enabled. The Interrupt Sense Control0 bits 1/0 (ISC01 and ISC00) in
the MCU general Control Register (MCUCR) defines whether the external interrupt is acti-
vated on rising or falling edge of the INT0 pin or level sensed. Activity on the pin will cause an
interrupt request even if INT0 is configured as an output. The corresponding interrupt of Inter-
rupt Request 0 is executed from program memory address $002. See also “External
Interrupts” on page 29.
Bits 5..0 – Res: Reserved Bits
These bits are reserved bits in the AT43USB355 and always read as zero.
General Interrupt Flag Register – GIFR
Bit 7 – INTF1: External Interrupt Flag1
When an event on the INT1 pin triggers an interrupt request, INTF1 becomes set (one). If the
I-bit in SREG and the INT1 bit in GIMSK are set (one), the MCU will jump to the interrupt vec-
tor at address $004. The flag is cleared when the interrupt routine is executed. Alternatively,
the flag can be cleared by writing a logical one to it.
Bit 6 – INTF0: Interrupt Flag0 (Suspend/Resume Interrupt Flag)
When an event on the INT0 (that is, a USB event-related interrupt) triggers an interrupt
request, INTF0 becomes set (one). If the I-bit in SREG and the INT0 bit in GIMSK are set
(one), the MCU will jump to the interrupt vector at address $002. The flag is cleared when the
interrupt routine is executed. Alternatively, the flag can be cleared by writing a logical one to it.
Bits 5..0 – Res: Reserved Bits
These bits are reserved bits in the AT43USB355 and always read as zero.
Bit
7
6
5
4
3
2
1
0
$3B ($5B)
INT1
INT0
–
–
–
–
–
–
GIMSK
Read/Write
R/W
R/W
R
R
R
R
R
R
Initial Value
0
0
0
0
0
0
0
0
Bit
7
6
5
4
3
2
1
0
$3A ($5A)
INTF1
INT F0
–
–
–
–
–
–
GIFR
Read/Write
R/W
R/W
R
R
R
R
R
R
Initial Value
0
0
0
0
0
0
0
0
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| AT43USB380E-AI | 功能描述:USB 接口集成電路 USB OTG/HOST/FUNC DEVICE CNTRL RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類型:SPI 工作電源電壓:3.15 V to 3.45 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:WLCSP-20 |
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