5 usb pid error counter register (pidecnt), 6 usb framing error counter register (frmecnt), Usb pid error counter register (pidecnt) -25 – Freescale Semiconductor MCF5480 User Manual

Page 899: Usb framing error counter register (frmecnt) -25

Advertising
background image

Memory Map/Register Definition

MCF548x Reference Manual, Rev. 3

Freescale Semiconductor

29-25

29.2.3.5

USB PID Error Counter Register (PIDECNT)

29.2.3.6

USB Framing Error Counter Register (FRMECNT)

Table 29-21. BSECNT Field Descriptions

Bits

Name

Description

15–0

BSECNT

Bitstuffing error counter. This register counts the occurrences of bitstuffing errors in the
incoming packets.

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

R

PIDECNT

W

Reset

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

Reg

Addr

MBAR + 0xB088

Figure 29-22. USB PID Error Counter Register (PIDECNT)

Table 29-22. PIDECNT Field Descriptions

Bits

Name

Description

15–0

PIDECNT

PID Error counter. This register counts the occurrences of errors in PID fields of incoming
packets.

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

R

FRMECNT

W

Reset

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

Reg

Addr

MBAR + 0xB08A

Figure 29-23. USB Framing Error Counter Register (FRMECNT)

Table 29-23. FRMECNT Field Descriptions

Bits

Name

Description

15–0

FRMECNT Framing error counter. This register counts the occurrences of errors in SYNC and EOP

fields of incoming packets.

Advertising
This manual is related to the following products: