9 endpoint info register (epinfo), Endpoint info register (epinfo) -18 – Freescale Semiconductor MCF5480 User Manual

Page 892

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MCF548x Reference Manual, Rev. 3

29-18

Freescale Semiconductor

29.2.2.9

Endpoint Info Register (EPINFO)

The EPINFO contains the currently active endpoint index. The contents of this register are updated each

time a token is received by the USB device controller.

7

6

5

4

3

2

1

0

R EPSTALLEN CTROVFLEN

ACKEN

TRANSEREN

EPHALTEN

OUTEN

INEN

SETUPEN

W

Reset

1

1

1

1

1

1

1

1

Reg

Addr

MBAR + 0xB001

Figure 29-9. USB Application Interrupt Mask Register (USBAIMR)

Table 29-9. USBAIMR Field Descriptions

Bits

Name

Description

7

EPSTALLEN

Endpoint stall interrupt enable.
0 Endpoint stall interrupt enabled.
1 Endpoint stall interrupt disabled.

6

CTROVFLEN

Counter overflow interrupt enable.
0 Counter overflow interrupt enabled.
1 Counter overflow interrupt disabled.

5

ACKEN

Received acknowledge interrupt enable.
0 Did not receive ACK interrupt enabled.
1 Received ACK interrupt disabled.

4

TRANSEREN

Transaction error interrupt enable.
0 Transaction error interrupt enabled.
1 Transaction error interrupt disabled.

3

EPHALTEN

Endpoint halt interrupt enable.
0 Endpoint halted interrupt enabled.
1 Endpoint halted interrupt disabled.

2

OUTEN

Received OUT interrupt enable.
0 OUT packet interrupt enabled.
1 OUT packet interrupt disabled.

1

INEN

Received IN interrupt enabled.
0 IN packet interrupt enabled.
1 IN packet interrupt disabled.

0

SETUPEN

Received SETUP interrupt enabled.
0 SETUP packet interrupt enabled.
1 SETUP packet interrupt disabled.

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