2 usb control register (usbcr), Usb control register (usbcr) -10, The usbcr configures features of the module – Freescale Semiconductor MCF5480 User Manual

Page 884

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MCF548x Reference Manual, Rev. 3

29-10

Freescale Semiconductor

29.2.2.2

USB Control Register (USBCR)

The USBCR configures features of the module.

6–4

—

Reserved, should be cleared.

3–0

ISOERREP Isochronous error endpoint. This is the endpoint number for the isochronous OUT endpoint

that has experienced a PID sequencing error and caused the ISO_ERR interrupt to assert.
The value in this register will always reflect the endpoint number for the last isochronous
OUT endpoint to experience a PID sequencing error (or 0x0 if no PID sequencing errors
have occurred). It is not cleared along with the USBISR[ISOERR] interrupt bit.

31

30

29

28

27

26

25

24

23

22

21

20

19

18

17

16

R

Uninitialized

W

Reset

Uninitialized

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

R

Uninitialized

RAM

SPLIT

—

RAM

EN

0

APP

LOCK

0

W

RST

RESUME

Reset

Uninitialized

0

0

0

0

0

0

0

0

Reg

Addr

MBAR + 0xB404

Figure 29-3. USB Control Register (USBCR)

Table 29-2. USBSR Field Descriptions

Bits

Name

Description

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