M66596FP datasheet(40/131 Pages) RENESAS

40 / 131 page

M66596FP/WG

rev .1.00

2006.3.14

page 40 of 127

2.11 USB address (low-power recovery)

USB address/low-power status recovery register [RECOVER]

<Address: 50H>

STSRECOV

USBADDR

Bit

Name

Function

S/W

H/W

Note

15-11 Nothing is placed here. These should be fixed at “0”.

10-8 STSRECOV

Status recovery

Status recovery after the low-power sleep state

000: reserved

001: Full-Speed Default state

010: Full-Speed Address state

011: Full-Speed Configured state

100: reserved

101: Hi-Speed Default state

110: Hi-Speed Address state

111: Hi-Speed Configured state

R/W

3.1.7

*1),*2)

Nothing is placed here. This should be fixed at "0".

6-0 USBADDR

USB address

USB address confirmation and recovery

R/W

3.1.7

*1),*2)

<<Notes>>

*1) When a recovery has been made from the low-power sleep state to the normal mode, the communication speed,

device state and USB address have to be returned to the values backed up by the control program software.

“STSRECOV=x00” should not be set.

*2) RECOVER register is effective only at the time of peripheral mode. When operating in host mode, the

peripheral address should be set by DEVSEL bit of PIPEMAXP register.

2.12 USB request register

The USB request register is used to store setup requests for control transfers. The values of USB requests that

have been received are stored here when peripheral mode is selected. The USB requests to be sent should be set here

when host mode is selected.

USB request type register [USBREQ]

<Address: 54H>

bRequest

bmRequestType

Bit

Name

Function

S/W

H/W

Note

15-8 bRequest

Request

The USB request bRequest value is

stored here.

peripheral

mode:R

Host mode:R/W

peripheral

mode:W

Host mode:R

3.6.1

3.6.2

7-0 bmRequestType

Request type

The USB request bmRequestType

is stored here.

peripheral

mode:R

Host mode:R/W

peripheral

mode:W

Host mode:R

3.6.1

3.6.2

<<Note>>

None in particular

M66596FP Datasheet(PDF) 40 Page - Renesas Technology Corp

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