參數(shù)資料
型號(hào)： AT43USB326-AC
廠商： ATMEL CORP
元件分類： 微控制器/微處理器
英文描述： Multimedia USB Keyboard Controller with Embedded Hub
中文描述： 8-BIT, MROM, 12 MHz, RISC MICROCONTROLLER, PQFP48
封裝： 7 X 7 MM, 1.40 MM THICKNESS, 0.50 MM PITCH, PLASTIC, MS-026BBC, LQFP-48
文件頁數(shù)： 84/102頁
文件大?。?/td> 511K
代理商： AT43USB326-AC
84
AT43USB326
3313D–USB–04/06
Typical
Application
The Atmel sample version of the AT43USB326 contains firmware that supports customization
of the Vendor ID, Product ID, String Descriptor and the keyboard matrix. This information is
stored in an external AT24C02A serial EEPROM. Data in the EEPROM is stored in the follow-
ing format:
Detailed
Description
Mask Bits
The mask bits identify what features are stored in the EEPROM. A “1” in the mask bit location
means that the feature is stored and should be read. A “0” means that the feature is not stored
and should not be read.
Address Range
Content
0x00 - 0x01
EEPROM's signature
0x02 - 0x03
Mask Bits
0x04 onwards
VID, PID and strings
Initial Check Byte
0x70 - 0xFF
Keyboard matrix
Address Location
Value/Content
0x00
0x17
0x01
0x5A
Mask 1
Address Location
0x02
Remark
Mask 2 - Reserved for Future Use
0x03
Bit 7: Keyboard Matrix
Bit 6: Reserved
Bit 5: Extra Hot Key Codes
Bit 4: Serial Number String
Bit 3: Product String
Bit 2: Manufacturer String
Bit 0: VID, PID, Version
Bit 1: Language String
相關(guān)PDF資料
PDF描述
AT43USB326-AU Multimedia USB Keyboard Controller with Embedded Hub
AT43USB351M-AC Full-speed/Low-speed USB Microcontroller with ADC and PWM
AT43USB353M-AC Low Cost Full-speed USB Microcontroller with Embedded Hub, ADC and PWM
AT43USB355E-AC Full-speed USB Microcontroller with Embedded Hub, ADC and PWM
AT43USB355E-AU Full-speed USB Microcontroller with Embedded Hub, ADC and PWM
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AT43USB326-AU 功能描述:USB 接口集成電路 USB KEYBOARD FOR LOGITECH - IND TEMP 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(fēng)格:SMD/SMT 封裝 / 箱體:WLCSP-20
AT43USB351M 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Missed Watchdog Timer Reset
AT43USB351M_04 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Full-speed/ Low-speed USB Microcontroller with ADC and PWM
AT43USB351M-AC 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Full-speed/ Low-speed USB Microcontroller with ADC and PWM
AT43USB353M 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Missed Watchdog Timer Reset
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