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| 型號(hào)： | CY3687 |
| 廠商： | Cypress Semiconductor Corp. |
| 英文描述： | MoBL-USB⑩ FX2LP18 USB Microcontroller |
| 中文描述： | 的MoBL - USB FX2LP18的USB微控制器⑩ |
| 文件頁(yè)數(shù)： | 7/39頁(yè) |
| 文件大小： | 453K |
| 代理商： | CY3687 |
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CY7C68053
Document # 001-06120 Rev *H
Page 7 of 39
3.12.4 Endpoint Configurations (High-Speed Mode)
Endpoints 0 and 1 are the same for every configuration. Endpoint
0 is the only CONTROL endpoint, and endpoint 1 can be either
BULK or INTERRUPT. The endpoint buffers can be configured
in any one of the 12 configurations shown in the vertical columns
of
Figure 5
. When operating in full-speed BULK mode only the
first 64 bytes of each buffer are used. For example, in high-speed
the maximum packet size is 512 bytes, but in full-speed it is 64
bytes. Even though a buffer is configured to be a 512 byte buffer,
in full-speed only the first 64 bytes are used. The unused
endpoint buffer space is not available for other operations. An
example endpoint configuration is:
EP2–1024 double buffered; EP6–512 quad buffered (column 8).
3.12.5 Default Full-Speed Alternate Settings
64
64
64
512
512
EP8
1024
1024
1024
1024
1024
1024
1024
512
512
512
512
512
512
512
512
512
512
EP2
EP2
EP2
EP6
EP6
EP8
EP8
EP0 IN&OUT
EP1 IN
EP1 OUT
Figure 5. Endpoint Configuration
1024
1024
EP6
1024
512
512
512
512
EP6
512
512
512
512
EP2
512
512
EP4
512
512
EP2
512
512
EP4
512
512
EP2
512
512
EP4
512
512
EP2
512
512
512
512
EP2
512
512
512
512
EP2
512
512
1024
EP2
1024
1024
EP2
1024
1024
EP2
1024
512
512
EP6
1024
1024
EP6
512
512
EP8
512
512
EP6
512
512
512
512
EP6
1024
1024
EP6
512
512
EP8
512
512
EP6
512
512
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
1
2
3
4
5
6
7
8
9
10
11
12
Table 4. Default Full-Speed Alternate Settings
[3, 4]
Alternate Setting
0
64
0
0
0
0
0
0
1
2
3
ep0
ep1out
ep1in
ep2
ep4
ep6
ep8
64
64 bulk
64 bulk
64 bulk out (2×)
64 bulk out (2×)
64 bulk in (2×)
64 bulk in (2×)
64
64 int
64 int
64 int out (2×)
64 bulk out (2×)
64 int in (2×)
64 bulk in (2×)
64
64 int
64 int
64 iso out (2×)
64 bulk out (2×)
64 iso in (2×)
64 bulk in (2×)
Notes
3. ‘0’ means ‘not implemented.’
4. ‘2×’ means ‘double buffered.’
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| CY3688 | 功能描述:界面開(kāi)發(fā)工具 CY3688 RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類型:RS-485 工具用于評(píng)估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V |
| CY3690 | 功能描述:開(kāi)發(fā)板和工具包 - 其他處理器 USB 2.0 DVEL KIT RoHS:否 制造商:Freescale Semiconductor 產(chǎn)品:Development Systems 工具用于評(píng)估:P3041 核心:e500mc 接口類型:I2C, SPI, USB 工作電源電壓: |
| CY3691 | 功能描述:開(kāi)發(fā)板和工具包 - 其他處理器 USB 2.0 DVEL KIT RoHS:否 制造商:Freescale Semiconductor 產(chǎn)品:Development Systems 工具用于評(píng)估:P3041 核心:e500mc 接口類型:I2C, SPI, USB 工作電源電壓: |
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