CY3684 datasheet(10/60 Pages) CYPRESS

Part #	CY3684

Description	EZ-USB FX2LP??USB Microcontroller

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Manufacturer	CYPRESS [Cypress Semiconductor]

Direct Link	http://www.cypress.com

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CY7C68013A/CY7C68014A

CY7C68015A/CY7C68016A

Document #: 38-08032 Rev. *K

Page 10 of 60

EP2–1024

double

buffered;

EP6–512

quad

buffered

(column 8).

3.12.5

Default Full-Speed Alternate Settings

3.12.6

Default High-Speed Alternate Settings

64

512

1024

512

EP2

EP2 EP2

EP6

EP8

EP0 IN&OUT

EP1 IN

EP1 OUT

Figure 3-5. Endpoint Configuration

1024

EP6

1024

512

EP8

512

EP6

512

EP2

512

EP4

512

EP2

512

EP4

512

EP2

512

EP4

512

EP2

512

EP2

512

EP2

512

1024

EP2

1024

EP2

1024

EP2

1024

512

EP6

1024

EP6

512

EP8

512

EP6

512

EP6

1024

EP6

512

EP8

512

EP6

512

64

1

2

3

4

5

6

7

8

9

10

11

12

Table 3-6. Default Full-Speed Alternate Settings[4, 5]

Alternate Setting

0

1

2

3

ep0

64

ep1out

0

64 bulk

64 int

ep1in

0

64 bulk

64 int

ep2

0

64 bulk out (2×)

64 int out (2×)

64 iso out (2×)

ep4

0

64 bulk out (2×)

ep6

0

64 bulk in (2×)

64 int in (2×)

64 iso in (2×)

ep8

0

64 bulk in (2×)

Notes:

4.

“0” means “not implemented.”

5.

“2×” means “double buffered.”

6.

Even though these buffers are 64 bytes, they are reported as 512 for USB 2.0 compliance. The user must never transfer packets larger than 64 bytes to EP1.

Table 3-7. Default High-Speed Alternate Settings[4, 5]

Alternate Setting

0

1

2

3

ep0

64

ep1out

0

512 bulk[6]

64 int

ep1in

0

512 bulk[6]

64 int

ep2

0

512 bulk out (2×)

512 int out (2×)

512 iso out (2×)

ep4

0

512 bulk out (2×)

ep6

0

512 bulk in (2×)

512 int in (2×)

512 iso in (2×)

ep8

0

512 bulk in (2×)

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