參數(shù)資料
型號: ISP1362BD
廠商: NXP SEMICONDUCTORS
元件分類: 總線控制器
英文描述: Single-chip Universal Serial Bus On-The-Go controller
中文描述: UNIVERSAL SERIAL BUS CONTROLLER, PQFP64
封裝: 10 X 10 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-314-2, LQFP-64
文件頁數(shù): 101/150頁
文件大?。?/td> 647K
代理商: ISP1362BD
Philips Semiconductors
ISP1362
Single-chip USB OTG controller
Product data
Rev. 03
06 January 2004
101 of 150
9397 750 12337
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
15.6.3
HcDirectAddressData register (R/W: 45H/C5H)
This is a data port for the HCD to access the ISTL, INTL or ATL buffers under the
direct addressing mode.
Table 79
contains the bit description of the register.
Code (Hex): 45
read
Code (Hex): C5
write
15.7 Isochronous (ISO) transfer registers
15.7.1
HcISTLBufferSize register (R/W: 30H/B0H)
This register requires you to allocate the size of the buffer to be used for ISO
transactions. The buffer size speci
fi
ed in the register is applied to the ISTL0 and
ISTL1 buffers. Therefore, ISTL0 and ISTL1 always have the same buffer size.
Table 80
shows the bit description of the register.
Code (Hex): 30
read
Code (Hex): B0
write
15.7.2
HcISTL0BufferPort register (R/W: 40H/C0H)
In addition to the HcDirectAddressData register, the ISP1362 provides this register to
act as another data port for accessing the ISTL0 buffer. The starting address for
accessing the buffer is always
fi
xed at 0000H. Therefore, random access of the ISTL0
buffer is not allowed. The bit description of the register is given in
Table 81
.
Bit
Symbol
Reset
Access
7
6
5
4
3
2
1
0
BufferStartAddress[7:0]
0
R/W
0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Table 78:
Bit
31 to 16
15
14 to 0
HcDirectAddressLength register: bit description
Symbol
DataByteCount [15:0]
-
BufferStartAddress[14:0] The starting address of the buffer for accessing of data.
Description
Total number of bytes to be accessed.
reserved
Table 79:
Bit
15 to 0
HcDirectAddressData register: bit description
Symbol
Access Value
DataWord
[15:0]
Description
R/W
0000H The data port for accessing the ISTL, INTL or ATL
buffers. The address of the buffer and byte count of
the data must be speci
fi
ed in the
HcDirectAddressLength register.
Table 80:
Bit
15 to 0
HcISTLBufferSize register: bit description
Symbol
Access Value
ISTLBuffer
Size[15:0]
Description
The size of the buffer to be used for ISO
transactions and must be speci
fi
ed in bytes.
R/W
0000H
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