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
Name
Reset
H/W S/W USB
Bit
Name
Write/Read "0"
Function
W/R
15 to 6 Reserved
5 to 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
SQCLR Sequence toggle bit clears sequence toggle bit, to NAK("00") .
Transfers After the transfer appointed, sequence toggle bit is controlled
[5:0]
clear
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
Name
Reset
H/W S/W USB
Bit
Name
Write/Read "0"
Function
W/R
15 to 7 Reserved
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
RENESAS [ RENESAS TECHNOLOGY CORP ]
