Device n address register [w, Device n status register [r/w – Cypress EZ-OTG CY7C67200 User Manual

Page 36

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CY7C67200

Document #: 38-08014 Rev. *G

Page 36 of 78

Device n Address Register [W]

• Device 1 Address Register 0xC08E

• Device 2 Address Register 0xC0AE

Figure 36. Device n Address Register

Register Description

The Device n Address register holds the device address assigned by the host. This register initializes to the default address 0 at
reset but must be updated by firmware when the host assigns a new address. Only USB data sent to the address contained in
this register will be responded to, all others are ignored.

Address (Bits [6:0])

The Address field contains the USB address of the device assigned by the host.

Reserved

All reserved bits must be written as ‘0’.

Device n Status Register [R/W]

• Device 1 Status Register 0xC090

• Device 2 Status Register 0xC0B0

Figure 37. Device n Status Register

Register Description

The Device n Status register provides status information for
device operation. Pending interrupts can be cleared by writing
a ‘1’ to the corresponding bit. This register can be accessed
by the HPI interface.

VBUS Interrupt Flag (Bit 15)

The VBUS Interrupt Flag bit indicates the status of the OTG
VBUS interrupt (only for Port 1A). When enabled this interrupt
triggers on both the rising and falling edge of VBUS at 4.4V.
This bit is only available for Device 1 and is a reserved bit in
Device 2.

1: Interrupt triggered

0: Interrupt did not trigger

ID Interrupt Flag (Bit 14)

The ID Interrupt Flag bit indicates the status of the OTG ID
interrupt (only for Port 1A). When enabled this interrupt
triggers on both the rising and falling edge of the OTG ID pin.
This bit is only available for Device 1 and is a reserved bit in
Device 2.

1: Interrupt triggered

0: Interrupt did not trigger

SOF/EOP Interrupt Flag (Bit 9)

The SOF/EOP Interrupt Flag bit indicates if the SOF/EOP
received interrupt has triggered.

1: Interrupt triggered

0: Interrupt did not trigger

Bit #

15

14

13

12

11

10

9

8

Field

Reserved...

Read/Write

-

-

-

-

-

-

-

-

Default

0

0

0

0

0

0

0

0

Bit #

7

6

5

4

3

2

1

0

Field

...Reserved

Address

Read/Write

-

W

W

W

W

W

W

W

Default

0

0

0

0

0

0

0

0

Bit #

15

14

13

12

11

10

9

8

Field

VBUS

Interrupt Flag

ID Interrupt

Flag

Reserved

SOF/EOP

Interrupt Flag

Reset

Interrupt Flag

Read/Write

R/W

R/W

-

-

-

-

R/W

R/W

Default

X

X

X

X

X

X

X

X

Bit #

7

6

5

4

3

2

1

0

Field

EP7 Interrupt

Flag

EP6 Interrupt

Flag

EP5 Interrupt

Flag

EP4 Interrupt

Flag

EP3 Interrupt

Flag

EP2 Interrupt

Flag

EP1 Interrupt

Flag

EP0 Interrupt

Flag

Read/Write

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

Default

X

X

X

X

X

X

X

X

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