8 windex register (windexr), 9 wlength register (wlengthr), Windex register (windexr) -33 – Freescale Semiconductor MCF5480 User Manual

Page 907: Wlength register (wlengthr) -33, Endpoint

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Memory Map/Register Definition

MCF548x Reference Manual, Rev. 3

Freescale Semiconductor

29-33

29.2.4.8

wIndex Register (WINDEXR)

The WINDEXR records the wIndex field of a SETUP transaction on Endpoint 0.

29.2.4.9

wLength Register (WLENGTHR)

The WLENGTHR records the wLength field of a SETUP transaction on Endpoint 0.

.

29.2.4.10 Endpoint n Sync Frame Register (EPnOUTSFR, EPnINSFR)

The endpoint sync frame register is relevant only if the EPnOUTACR or EPnINACR is programmed for

isochronous type transfers. This register contains the synchronization frame number for that endpoint.

Table 29-32. WVALUER Field Descriptions

Bits

Name

Description

15–0

WVALUE

wValue of setup transaction. This register records the wValue field of a SETUP transaction
for the specified endpoint.

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

R

WINDEX

W

Reset

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

Reg

Addr

MBAR + 0xB10A

Figure 29-37. wIndex Register (WINDEXR)

Table 29-33. WINDEXR Field Descriptions

Bits

Name

Description

15–0

WINDEX

wIndex of setup transaction. This register records the wIndex field of a SETUP transaction
for the specified endpoint.

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

R

WLENGTH

W

Reset

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

Reg

Addr

MBAR + 0xB10C

Figure 29-38. wLength Register (WLENGTHR)

Table 29-34. WLENGTHR Field Descriptions

Bits

Name

Description

15–0

WLENGTH wLength of setup transaction. This register records the wLength field of a SETUP

transaction for the specified endpoint.

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