參數(shù)資料
型號(hào)： AT43USB325E-AU
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, 12 MHz, RISC MICROCONTROLLER, PQFP64
封裝： 1.40 MM HEIGHT, GREEN, PLASTIC, MS-026ACB, LQFP-64
文件頁(yè)數(shù)： 75/109頁(yè)
文件大?。?/td> 643K
代理商： AT43USB325E-AU
75
3355C–USB–4/05
AT43USB325
8.3.6
Hub Endpoint 0 Byte Count Register – HBYTE_CNT0
8.3.7
Function Endpoint 0..3 Byte Count Register – FBYTE_CNT0..3
The contents of these registers stores the number of bytes to be sent or that was received by
USB Hub and Function endpoints. This count includes the 16-bit CRC. To get the actual byte
count of the data, subtract the count in the register by 2. The maximum byte count supported by
the AT43USB325 is 8 bytes. Hub endpoint 1 has no byte count register.
Bit 7..6 – Reserved
These bits are reserved in the AT43USB325 and will read as zero.
Bit 5..0 – BYTCT5..0: Byte Count – Length of Endpoint Data Packet
Bit
7
6
5
4
3
2
1
0
Hub EP0 $1FCF
–
–
BYTCT5
BYTCT4
BYTCT3
BYTCT2
BYTCT1
BYTCT0
HBYTE_CNT0
Function EP0 $1FCD
–
–
BYTCT5
BYTCT4
BYTCT3
BYTCT2
BYTCT1
BYTCT0
FBYTE_CNT0
Function EP1 $1FCC
–
–
BYTCT5
BYTCT4
BYTCT3
BYTCT2
BYTCT1
BYTCT0
FBYTE_CNT1
Function EP2 $1FCB
–
–
BYTCT5
BYTCT4
BYTCT3
BYTCT2
BYTCT1
BYTCT0
FBYTE_CNT2
Function EP3 $1FCA
–
–
BYTCT5
BYTCT4
BYTCT3
BYTCT2
BYTCT1
BYTCT0
FBYTE_CNT3
Read/Write
R
R
R
R/W
R/W
R/W
R/W
R/W
Initial Value
0
0
0
0
0
0
0
0
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AT43USB326 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Missed Watchdog Timer Reset
AT43USB326_06 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Multimedia USB Keyboard Controller with Embedded Hub
AT43USB326-AC 功能描述:USB 接口集成電路 USB KEYBOARD F/LOGI- TECH - COM 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
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
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