M66290AFP datasheet(9/54 Pages) RENESAS

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USB DEVICE CONTROLLER

M66290AGP/FP

MITSUBISHI <DIGITAL ASSP>

Bit

Name

00h

W/R

Write/Read "0"

SQCLR

[5:0]

When write "1" into the bit which is correspond to the number

of endpoint, sequence toggle bit of that endpoint is cleared

and appoint the DATA0 by the data PID of next transmission.

Write "1" into the bit after set the response PID of the endpoint, which

clears sequence toggle bit, to NAK("00") .

Transfers After the transfer appointed, sequence toggle bit is controlled

by H/W.

In USB reset, Sequence toggle bit of each endpoint is not cleared.

If "0" is written into this bit, flag is not changed.

Read data of this bit is always "0".

Reserved

5 to 0

Sequence toggle bit

clear

15 to 6

Bit

Name

Function

W/R

USB

S/W

H/W

Reset

SQCLR[5:0]

D10

D11

D12

D15

D13

D14

(1-3) Sequence Bit Clear Register (Address : 04h)

Write/Read "0"

Bit

USB address which is assigned by host is stored.

After stored the address, transaction is done only to the token packet

which is transmitted to this address.

(If S/W control mode is set, write operation is available)

00h

USB_

Addr

[6:0]

Reserved

6 to 0

USB_Address

15 to 7

Bit

Name

Function

W/R

USB

S/W

H/W

Reset

USB_Addr[6:0]

D10

D11

D12

D15

D13

D14

(1-4)USB Address Register (Address : 08h)

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