參數(shù)資料
型號(hào): ISP1760
廠商: NXP Semiconductors N.V.
英文描述: Hi-Speed Universal Serial Bus host controller for embedded applications
中文描述: 高速嵌入式應(yīng)用的通用串行總線主控制器
文件頁(yè)數(shù): 61/105頁(yè)
文件大小: 449K
代理商: ISP1760
9397 750 13257
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data sheet
Rev. 01 — 8 November 2004
61 of 105
Philips Semiconductors
ISP1760
Embedded Hi-Speed USB host controller
28 to 18
MaxPacketLength
[10:0]
SW —
writes
Maximum Packet Length
: This field indicates the maximum number
of bytes that can be sent to or received from an endpoint in a single
data packet. The maximum packet size for a bulk transfer is 512 bytes.
The maximum packet size for the isochronous transfer is also variable
at any whole number.
Number of Bytes to Transfer
: This field indicates the number of bytes
that can be transferred by this data structure. It is used to indicate the
depth of the DATA field (32 kbytes).
-
Valid
:
0 —
This bit is deactivated when the entire PTD is executed—across
μ
SOF and SOF—or when a fatal error is encountered.
1 —
Software updates to one when there is payload to be sent or
received even across ms boundary. The current PTD is active.
17 to 3
NrBytesToTransfer
[14:0]
SW —
writes
2 to 1
0
reserved
V
-
SW —
sets
HW —
resets
Table 65:
Bit
High-speed bulk IN and OUT, QHA: bit description
…continued
Symbol
Access
Description
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