Microcontrollers User manual

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User manual Rev. 02 — 19 December 2008 330 of 792

NXP Semiconductors

UM10237

Chapter 13: LPC24XX USB device controller

5. Functional description

The architecture of the USB device controller is shown below in Figure 13–45.

2 4 Bulk Out 8, 16, 32, 64 Yes

2 5 Bulk In 8, 16, 32, 64 Yes

3 6 Isochronous Out 1 to 1023 Yes

3 7 Isochronous In 1 to 1023 Yes

4 8 Interrupt Out 1 to 64 No

4 9 Interrupt In 1 to 64 No

5 10 Bulk Out 8, 16, 32, 64 Yes

5 11 Bulk In 8, 16, 32, 64 Yes

6 12 Isochronous Out 1 to 1023 Yes

6 13 Isochronous In 1 to 1023 Yes

7 14 Interrupt Out 1 to 64 No

7 15 Interrupt In 1 to 64 No

8 16 Bulk Out 8, 16, 32, 64 Yes

8 17 Bulk In 8, 16, 32, 64 Yes

9 18 Isochronous Out 1 to 1023 Yes

9 19 Isochronous In 1 to 1023 Yes

10 20 Interrupt Out 1 to 64 No

10 21 Interrupt In 1 to 64 No

11 22 Bulk Out 8, 16, 32, 64 Yes

11 23 Bulk In 8, 16, 32, 64 Yes

12 24 Isochronous Out 1 to 1023 Yes

12 25 Isochronous In 1 to 1023 Yes

13 26 Interrupt Out 1 to 64 No

13 27 Interrupt In 1 to 64 No

14 28 Bulk Out 8, 16, 32, 64 Yes

14 29 Bulk In 8, 16, 32, 64 Yes

15 30 Bulk Out 8, 16, 32, 64 Yes

15 31 Bulk In 8, 16, 32, 64 Yes

Table 290. Fixed endpoint configuration

Logical

endpoint

Physical

endpoint

Endpoint type Direction Packet size (bytes) Double buffer