Cypress CY7C67300 Manual De Usuario

Document #: 38-08015 Rev. *J

Page 4 of 99

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USB 2.0-compliant for full and low speed

■

Up to four downstream USB host ports

■

Up to two upstream USB peripheral ports

■

Configurable endpoint buffers (pointer and length), must reside 
in internal RAM

■

Up to eight available peripheral endpoints (one control 
endpoint)

■

Supports control, interrupt, bulk, and isochronous transfers

■

Internal DMA channels for each endpoint

■

Internal pull up and pull down resistors

■

Internal series termination resistors on USB data lines

EZ-Host has one USB port that is compatible with the USB
On-The-Go supplement to the USB 2.0 specification. The USB
OTG port has a various hardware features to support Session
Request Protocol (SRP) and Host Negotiation Protocol (HNP).
OTG is only supported on USB PORT 1A.

■

Internal charge pump to supply and control VBUS

■

VBUS valid status (above 4.4V)

■

VBUS status for 2.4V< VBUS <0.8V

■

ID pin status

■

Switchable 2K ohm internal discharge resistor on VBUS

■

Switchable 500 ohm internal pull up resistor on VBUS

■

Individually switchable internal pull up and pull down resistors 
on the USB data lines

2 Hosts + 1 Peripheral

Host

Host

Peripheral

–

2 Hosts + 1 Peripheral

Host

Host

–

Peripheral

2 Hosts + 1 Peripheral

Peripheral

–

Host

Host

2 Hosts + 1 Peripheral

–

Peripheral

Host

Host

1 Host + 1 Peripheral

Host

–

Peripheral

–

1 Host + 1 Peripheral

Host

–

–

Peripheral

1 Host + 1 Peripheral

–

Host

–

Peripheral

1 Host + 1 Peripheral

–

Host

Peripheral

–

1 Host + 1 Peripheral

Peripheral

–

Host

–

1 Host + 1 Peripheral

Peripheral

–

–

Host

1 Host + 1 Peripheral

–

Peripheral

–

Host

1 Host + 1 Peripheral

–

Peripheral

Host

–

2 Peripherals

Peripheral

–

Peripheral

–

2 Peripherals

Peripheral

–

–

Peripheral

2 Peripherals

–

Peripheral

–

Peripheral

2 Peripherals

–

Peripheral

Peripheral

–

1 Peripheral

Any Port

Table 3.  USB Port Configuration Options  (continued)

DM1A

22

DP1A

23

DM1B

18

DP1B

19

DM2A

9

DP2A

10

DM2B

4

DP2B

5

DM1A

22

DP1A

23

OTGVBUS

11

OTGID

41

CSwitchA

13

CSwitchB

12