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參數(shù)資料
| 型號： | AT43USB326-AU |
| 廠商： | Atmel Corp. |
| 英文描述： | Multimedia USB Keyboard Controller with Embedded Hub |
| 中文描述： | 多媒體USB鍵盤控制器的嵌入式集線器 |
| 文件頁數(shù)： | 19/102頁 |
| 文件大小： | 511K |
| 代理商： | AT43USB326-AU |
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19
AT43USB326
3313D–USB–04/06
The most typical and general program setup for the Reset and Interrupt Vector Addresses are:
USB related interrupt events are routed to reset vectors 13 and 2 through a separate set of
interrupt, interrupt enable and interrupt mask registers that are mapped to the data SRAM
space. These interrupts must be enabled though their control register bits. In the event an
interrupt is generated, the source of the interrupt is identified by reading the interrupt registers.
The USB frame and transaction related interrupt events, such as Start of Frame interrupt, are
grouped in one set of registers: USB Interrupt Flag Register, USB Interrupt Enable Register
and USB Interrupt Mask Register. The USB Bus reset and suspend/resume are grouped in
another set of registers: Suspend/Resume Register, Suspend/Resume Interrupt Enable Reg-
ister and Suspend/Resume Interrupt Mask Register.
Address
Labels
Code
Comments
$000
jmp
RESET
; Reset Handler
$002
jmp
EXT_INT0
; IRQ0 Handler
$00E
jmp
TIM0_OVF
; Timer0
Overflow
Handler
$018
jmp
USB_HW
; USB Handler
;
$00d
MAIN:
ldi r16, high (RAMEND)
; Main Program
start
$00e
out SPH, r16
$00f
ldi r16, low (RAMEND)
$010
out SPL, r16
$011
<instr> xxx
...
...
...
...
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相關(guān)代理商/技術(shù)參數(shù) |
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| 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 |
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