參數(shù)資料
型號: ISP1161ABD
廠商: NXP SEMICONDUCTORS
元件分類: 總線控制器
英文描述: Full-speed Universal Serial Bus single-chip host and device 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): 28/134頁
文件大?。?/td> 587K
代理商: ISP1161ABD
Philips Semiconductors
ISP1161A
Full-speed USB single-chip host and device controller
Product data
Rev. 03 — 23 December 2004
28 of 134
9397 750 13962
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Table 5:
Symbol
ActualBytes[9:0]
CompletionCode[3:0]
Philips Transfer Descriptor (PTD): bit description
Access
R/W
Contains the number of bytes that were transferred for this PTD
R/W
0000
NoError
Description
General TD or isochronous data packet processing
completed with no detected errors.
Last data packet from endpoint contained a CRC error.
Last data packet from endpoint contained a bit stuffing
violation.
Last packet from endpoint had data toggle PID that did
not match the expected value.
TD was moved to the Done queue because the
endpoint returned a STALL PID.
Device did not respond to token (IN) or did not provide a
handshake (OUT).
Check bits on PID from endpoint failed on data PID (IN)
or handshake (OUT)
Received PID was not valid when encountered or PID
value is not defined.
The amount of data returned by the endpoint exceeded
either the size of the maximum data packet allowed
from the endpoint (found in MaximumPacketSize field of
ED) or the remaining buffer size.
The endpoint returned is less than MaximumPacketSize
and that amount was not sufficient to fill the specified
buffer.
-
-
During an IN, the HC received data from an endpoint
faster than it could be written to system memory.
During an OUT, the HC could not retrieve data from the
system memory fast enough to keep up with the USB
data rate.
0001
0010
CRC
BitStuffing
0011
DataToggleMismatch
0100
Stall
0101
DeviceNotResponding
0110
PIDCheckFailure
0111
UnexpectedPID
1000
DataOverrun
1001
DataUnderrun
1010
1011
1100
reserved
reserved
BufferOverrun
1101
BufferUnderrun
Active
R/W
Set to logic 1 by firmware to enable the execution of transactions by the HC. When the
transaction associated with this descriptor is completed, the HC sets this bit to logic 0,
indicating that a transaction for this element will not be executed when it is next
encountered in the schedule.
Used to generate or compare the data PID value (DATA0 or DATA1). It is updated after
each successful transmission or reception of a data packet.
The maximum number of bytes that can be sent to or received from the endpoint in a
single data packet.
USB address of the endpoint within the function.
Last PTD of a list (ITL or ATL). Logic 1 indicates that the PTD is the last PTD.
Speed of the endpoint:
Toggle
R/W
MaxPacketSize[9:0]
R
EndpointNumber[3:0]
Last
Speed
R
R
R
0 —
full speed
1 —
low speed
Specifies the total number of bytes to be transferred with this data structure. For Bulk and
Control only, this can be greater than MaximumPacketSize.
TotalBytes[9:0]
R
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