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參數(shù)資料
| 型號： | SL811S |
| 廠商： | CYPRESS SEMICONDUCTOR CORP |
| 元件分類： | 總線控制器 |
| 英文描述： | USB Dual Speed Slave Controller |
| 中文描述： | UNIVERSAL SERIAL BUS CONTROLLER, PQCC28 |
| 封裝： | PLASTIC, LCC-28 |
| 文件頁數(shù)： | 11/27頁 |
| 文件大?。?/td> | 181K |
| 代理商： | SL811S |
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SL811S/T
Document #: 38-08009 Rev. **
Page 11 of 27
5.3
Each endpoint set has a control register defined as follows:
Endpoint Control Registers
5.3.1
Pointer to memory buffer location for USB reads and writes.
Endpoint Base Address
5.3.2
The Endpoint Base Length is the maximum packet size for Out transfers from the Host. Essentially, this designates the largest
packet size that can be received by the SL811S/T. For Transfers In to Host, Base Length designates the size of the data packet
to be sent.
Endpoint Base Length
5.3.3
The packet status contains information relative to the packet that has been received or transmitted. The register is defined as
follows:
Packet Status
5.3.4
Contains the number of bytes left over (from
’
Length
’
field) after a packet is received. If an overflow condition occurs, i.e., the
received packet from host was greater than the Length field, a bit is set in the Packet Status Register indicating the condition.
The user can then determine the number of bytes received greater than the Length field specified by reading this register.
Transfer Count
Bit Position
Bit Name
Function
0
Arm
Allows enabled transfers when set =
’
1
’
. Clears to '0' when transfer is complete.
1
Enable
When set = '1' allows transfers to this endpoint. When set 0 USB transactions are ignored.
If Enable = '1' and Arm = '0', the endpoint will return NAKs to USB transmissions.
2
Direction
When set = '1' transmit to Host. When '0', receive from Host.
3
Next Data Set
'0' if next data set is
‘
a
’
, '1' if next data set is 'b'
4
ISO
When set to '1' allows Isochronous mode for this endpoint.
5
Send STALL
When set to
‘
1
’
sends Stall in response to next request on this endpoint.
6
Sequence
Sequence Bit. '0' if DATA0, '1' if DATA1.
7
Reserved
Bit Position
Bit Name
Function
0
ACK
Transmission Acknowledge.
1
Error
Error detected in transmission.
2
Time-out
Time-out occurred.
3
Sequence
Sequence Bit. '0' if DATA0, '1' if DATA1.
4
Setup
'1' indicates Setup Packet
5
Overflow
Overflow condition - maximum length exceeded during receives.
6
NAK
Slave returns NAK
7
STALL
Slave set STALL bit
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SL811S-DK | 功能描述:TOOLS DEVELOPMENT FOR SL811 RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 過時/停產(chǎn)零件編號 系列:- 標準包裝:1 系列:- 類型:MCU 適用于相關(guān)產(chǎn)品:Freescale MC68HC908LJ/LK（80-QFP ZIF 插口） 所含物品:面板、纜線、軟件、數(shù)據(jù)表和用戶手冊 其它名稱:520-1035 |
| SL811ST | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:SL811S/T USB Dual Speed Slave Controller |
| SL8203 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:DCDC升壓IC |
| SL82184P12NF | 功能描述:ANTENNA 850-1900MHZ 4DBI N FML RoHS:是 類別:RF/IF 和 RFID >> RF 天線 系列:* 標準包裝:1 系列:* |
| SL82184P36SMM | 制造商:Laird Technologies Inc 功能描述:DUAL BAND, 850/1900 MHZ, 4 DBI CEILING MOUNT OMNIDIRECTIONAL ANTENNA WITH 36 OF COAXIAL CABLE AND TERMINATED IN A SMA MALE CONNECTOR. |
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