參數(shù)資料
型號: M66596FP
元件分類: 總線控制器
英文描述: UNIVERSAL SERIAL BUS CONTROLLER, PQFP64
封裝: 0.50 MM PITCH, LQFP-64
文件頁數(shù): 67/131頁
文件大小: 1595K
代理商: M66596FP
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>
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
STSRECOV
USBADDR
?
0
-
0
-
0
-
0
?
0
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
R
7
Nothing is placed here. This should be fixed at "0".
6-0 USBADDR
USB address
USB address confirmation and recovery
R/W
<<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>
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
bRequest
bmRequestType
0
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
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
<<Note>>
None in particular
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