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參數(shù)資料
| 型號(hào)： | FUSB2805MLX |
| 廠(chǎng)商： | Fairchild Semiconductor |
| 文件頁(yè)數(shù)： | 15/49頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | TXRX USB2.0 HS OTG ULPI 32MLP |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | * |
| 其它名稱(chēng)： | FUSB2805MLXFSDKR |
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2008 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FUSB2805 Rev. 1.0.3
22
F
USB2
8
0
5
—
USB2
.0
High
-S
pee
d
OTG
Tra
nsc
e
iv
e
rw
ith
UL
P
I
Inter
fac
e
Line State Encoding
As mentioned in Table 9, the LINESTATE[1:0] sent to
the link is a function of whether the port is upstream
(peripheral) or downstream (host) facing. Dual-role OTG
devices must select the correct LINESTATE encoding,
depending upon its mode. Note that the configuration
as a LS peripheral (upstream facing port), with DM pull-
up, is not supported by the FUSB2805.
Table 10. LINESTATE[1:0] Encoding for Upstream (Peripheral) Facing Ports; DP_PULLDOWN=0b
Mode
Value
Full Speed
High Speed
Chirp
XCVRSELECT[0:1]
01, 11
00
TERMSELECT
1
0
1
LINESTATE[1:0]
00b
SE0
Squelch
01b
FS-J
! Squelch
(! Squelch) AND (HS_Differential_Receiver_Output)
10b
FS-K
Invalid
(! Squelch) AND (! HS_Differential_Receiver_Output)
11
SE1
Invalid
Notes:
12. (! Squelch) indicates inactive squelch.
13. (! HS_Differential_Receiver_Output) indicates inactive HS_Differential_Receiver_Output.
Table 11. LINESTATE[1:0] Encoding for Downstream (Host) Facing Ports; DP_PULLDOWN and
DM_PULLDOWN=1b
Mode
Value
Low Speed
Full Speed
High Speed
Chirp
XCVRSELECT[0:1]
10
01, 11
00
TERMSELECT
1
0
OPMODE[1:0]
X
00, 01 or 11
10
LINESTATE[1:0]
00b
SE0
Squelch
01b
LS-K
FS-J
! Squelch
(! Squelch) AND
(HS_Differential_Receiver_Output)
10b
LS-J
FS-K
Invalid
(! Squelch) AND
(! HS_Differential_Receiver_Output)
11
SE1
Invalid
invalid
Notes:
14. (! Squelch) indicates inactive squelch.
15. (! HS_Differential_Receiver_Output) indicates inactive HS_Differential_Receiver_Output.
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