isp1760 NXP Semiconductors, isp1760 Datasheet - Page 69

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isp1760

Manufacturer Part Number
isp1760
Description
Hi-speed Universal Serial Bus Host Controller For Embedded Applications
Manufacturer
NXP Semiconductors
Datasheet

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Philips Semiconductors
Table 69:
9397 750 13257
Product data sheet
Bit
41 to 35
34 to 32
DW0
31
30 to 29
28 to 18
17 to 3
2 to 1
0
Symbol
DeviceAddress
[6:0]
EndPt[3:1]
EndPt[0]
Mult[1:0]
MaxPacket
Length[10:0]
NrBytesTo
Transfer[14:0]
reserved
V
High-speed interrupt IN and OUT, QHP: bit description
Access
SW — writes
SW — writes
SW — writes
SW — writes
SW — writes
SW — writes
-
SW — sets
HW — resets
Description
Device Address: This is the USB address of the function containing the
endpoint that is referred to by the buffer.
Endpoint: This is the USB address of the endpoint within the function.
Endpoint: This is the USB address of the endpoint within the function.
Multiplier: This field is a multiplier counter used by the Host Controller as
the number of successive packets the Host Controller may submit to the
endpoint in the current execution.
Set this field to 01b. You can also set it to 11b and 10b depending on your
application. 00b is undefined.
Maximum Packet Length: This field indicates the maximum number of
bytes that can be sent to or received from the endpoint in a single data
packet.
Number of Bytes to Transfer: This field indicates the number of bytes 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 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.
Rev. 01 — 8 November 2004
…continued
Embedded Hi-Speed USB host controller
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
ISP1760
69 of 105

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