M66290AFP データシートの表示（PDF） - MITSUBISHI ELECTRIC

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M66290AFP

USB DEVICE CONTROLLER

MITSUBISHI ELECTRIC  

MITSUBISHI <DIGITAL ASSP>

M66290AGP/FP

USB DEVICE CONTROLLER

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

D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0

SQCLR[5:0]

Bit

Bit

Name

15 to 6 Reserved

Name

Write/Read "0"

Function

Reset

W/R

H/W S/W USB

5 to 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

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

clear

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".

W/R 00h 00h -

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

D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0

USB_Addr[6:0]

Bit

Bit

Name

15 to 7 Reserved

Name

Write/Read "0"

Function

Reset

W/R

H/W S/W USB

6 to 0

USB_

Addr

[6:0]

USB_Address

register

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)

R 00h 00h 00h

8

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