参数资料
| 型号： | AT90USBKEY2 |
| 厂商： | Atmel |
| 文件页数： | 9/22页 |
| 文件大小： | 0K |
| 描述： | KIT DEMO FOR AT90USB |
| 产品培训模块： | megaAVR Introduction |
| 标准包装： | 1 |
| 主要目的： | USB 控制器 |
| 嵌入式： | 是，MCU，8 位 |
| 已用 IC / 零件： | AT90USB1286，AT90USB1287，AT90USB646，AT90USB647 |
| 已供物品： | 板，线缆 |
| 产品目录页面： | 611 (CN2011-ZH PDF) |
| 配用： | ATSTK525-ND - KIT STARTER FOR AT90USB |
| 相关产品： | AT90USB1287-16AUR-ND - IC MCU AVR 128K ISP USB TQFP64 AT90USB82-16MUR-ND - MCU AVR USB 8K FLASH 32-QFN AT90USB162-16MU-ND - MCU AVR USB 16K FLASH 32-QFN AT90USB162-16AU-ND - MCU AVR USB 16K FLASH 32-TQFP AT90USB162-16MURDKR-ND - IC AVR MCU 16K FLASH 32QFN AT90USB162-16AURDKR-ND - IC AVR MCU 16K FLASH 32TQFP AT90USB82-16MU-ND - IC AVR MCU 8K FLASH 32QFN AT90USB162-16MURCT-ND - IC AVR MCU 16K FLASH 32QFN AT90USB162-16AURCT-ND - IC AVR MCU 16K FLASH 32TQFP AT90USB162-16MURTR-ND - IC AVR MCU 16K FLASH 32QFN 更多... |
| 其它名称： | AT90USBKEY AT90USBKEY-ND |
Using the AT90USBKey
2.4
2.4.1
On-board Resources
USB
The AVRUSBKey is supplied with a standard USB mini A-B receptacle. The mini AB
receptacle allows to connect both a mini A plug or a mini B plug connectors.
Figure 2-5 . USB mini A-B Receptacle
J3
1-V_BUS
2-D-
3-D+
5-GND
4-ID
SHIELD
VBUS
VBUS
R2 22
R3 22
VBUS
D-
D+
GND
UCAP
VBUS
UID
USB_MiniAB
CR1
CR2
C7
1uF
R4 0
When connected to a mini B plug, the AT90USB operates as an “USB device” (the ID
pin of the plug is unconnected) and when connected to a mini A plug, the AT90USB
operates as a “USB host” (the ID pin of the A plug is tied to ground).
2.4.2
Joystick
The 4+1 ways joystick offers an easy user interface implementation for a USB
application (it can emulate mouse movements, keyboard inputs...).
Pushing the push-button causes the corresponding signal to be pulled low, while
releasing (not pressed) causes an H.Z state on the signal. The user must enable
internal pull-ups on the microcontroller input pins, removing the need for an external
pull-up resistors on the push-button.
Figure 2-6 . Joystick Schematic
PB[7..0]
SW3
1
2
Com1
Com2
Select
Lef t
Up
Right
Down
5
7
3
6
4
PB5
PB6
PB7
PE4
PE5
PE[7..0]
TPA511G
AT90USBKey Hardware User Guide
2-9
7627A–AVR–04/06
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| AT-913(40) | 功能描述:衰减器 -IC RoHS:否 制造商:Skyworks Solutions, Inc. 最大衰减:18 dB 容差: 阻抗: 功率额定值:30 dBm 安装风格:SMD/SMT 工作温度范围:- 40 C to + 85 C |
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