參數(shù)資料
型號： ISP1362
廠商： NXP Semiconductors N.V.
英文描述： Single-chip Universal Serial Bus On-The-Go controller
中文描述： 單芯片通用串行總線和On - The - Go控制器
文件頁數(shù)： 125/150頁
文件大?。?/td> 647K
代理商： ISP1362
Philips Semiconductors
ISP1362
Single-chip USB OTG controller
Product data
Rev. 03
—
06 January 2004
125 of 150
9397 750 12337
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
16.3.3
DcScratch register (R/W: B3H/B2H)
This command accesses the 16-bit DcScratch register, which can be used by the
fi
rmware to save and restore information. For example, the device status before
powering down in the
‘
suspend
’
state. The register bit allocation is given in
Table 133
.
Code (Hex): B2/B3
—
write or read DcScratch register
Transaction
—
write or read 2 bytes (code or data)
16.3.4
DcFrameNumber register (R: B4H)
This command returns the frame number of the last successfully received SOF. It is
followed by reading one word from the DcFrameNumber register, containing the
frame number. The DcFrameNumber register is shown in
Table 135
.
Remark:
After a bus reset, the value of the DcFrameNumber register is unde
fi
ned.
Code (Hex): B4
—
read frame number
Transaction
—
read 1 or 2 bytes (code or data)
Bit
Symbol
Reset
Access
7
6
5
4
3
2
1
0
UNLOCK[7:0] = 37H
1
W
0
W
0
W
1
W
0
W
1
W
1
W
1
W
Table 132: DcLock register: bit description
Bit
Symbol
15 to 0
UNLOCK[15:0]
Description
Sending data AA37H unlocks the internal registers and buffer
memory for writing, following a
‘
resume
’
.
Table 133: DcScratch Information register: bit allocation
Bit
15
Symbol
reserved
Reset
-
Access
-
Bit
7
Symbol
Reset
0
Access
R/W
14
13
12
11
10
9
8
SFIR[12:8]
0
R/W
2
-
-
6
-
-
5
0
0
0
0
R/W
4
R/W
3
R/W
1
R/W
0
SFIR[7:0]
0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Table 134: DcScratch Information register: bit description
Bit
Symbol
Description
15 to 13
-
reserved; must be logic 0
12 to 0
SFIR[12:0]
Scratch Information register
相關(guān)PDF資料
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ISP1362BD Single-chip Universal Serial Bus On-The-Go controller
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相關(guān)代理商/技術(shù)參數(shù)
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ISP1362BD157 制造商:NXP Semiconductors 功能描述:IC CONTROLLER USB-OTG 64LQFP 制造商:ST-Ericsson 功能描述:IC CONTROLLER USB OTG 64-LQFP
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