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參數(shù)資料
| 型號： | PDIUSBH11 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Universal Serial Bus Hub |
| 中文描述： | 通用串行總線集線器 |
| 文件頁數(shù)： | 10/26頁 |
| 文件大?。?/td> | 146K |
| 代理商： | PDIUSBH11 |
Philips Semiconductors
Product specification
PDIUSBH11
Universal Serial Bus Hub
1997 Aug 01
10
Read Last Transaction Status
Command
: 40–44h
Data
: Read 1 byte
The Read Last Transaction Statuscommand is followed by one data read that returns the status of the last transaction of the endpoint. This
command also resets the corresponding interrupt flag in the interrupt register, and clears the status, indicating that it was read.
This command is useful for debugging purposes. Since it keeps track of every transaction, the status information is overwritten for each new
transaction.
0
7
0
6
0
5
0
4
0
3
0
2
0
1
0
0
POWER ON VALUE
DATA RECEIVE / TRANSMIT SUCCESS
ERROR CODE (SEE TABLE 1)
SETUP PACKET
DATA 0/1 PACKET
PREVIOUS STATUS NOT READ
DATA RECEIVE / TRANSMIT SUCCESS A ‘1’ INDICATES DATA HAS BEEN RECEIVED OR TRANSMITTED SUCCESSFULLY
ERROR CODE SEE TABLE 1
SETUP PACKET A ‘1’ INDICATES THE LAST RECEIVED PACKET HAD A SETUP TOKEN (THIS ALWAYS READ ‘0’ FOR IN BUFFERS.
DATA 0/1 PACKET A ‘1’ INDICATES THAT THE LAST RECEIVED OR SENT PACKET HAD A DATA1 PID
PREVIOUS STATUS NOT READ A ‘1’ INDICATES A SECOND EVENT OCCURRED BEFORE THE PREVIOUS STATUS WAS READ.
SV00507
Table 1.
ERROR CODE
RESULT
0000
No Error
0001
PID Encoding Error, Bits 7–4 are not the inversion of bits 3–0
0010
PID Unknown, encoding is valid, but PID does not exist
0011
Unexpected Packet, Packet is not of the type expected (= token, data or acknowledge), or SETUP token to a
non-control endpoint
0100
Token CRC Error
0101
Data CRC Error
0110
Time Out Error
0111
Babble Error
1000
Unexpected End of Packet
1001
Sent or Received NAK
1010
Sent Stall, a token was received, but the endpoint was stalled
1011
Overflow Error, the received packet was longer than the available buffer space
1101
Bitstuff Error
1111
Wrong DATA PID, the received DATA PID was not the expected one
相關PDF資料 |
PDF描述 |
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| PDIUSBH11D | Universal Serial Bus Hub |
| PDIUSBH11NB | Plug In Relay Switch Function:4PDT; Contact Carry Current:15A; Coil Voltage AC Max:120V; Mounting Type:Socket; Contact Carrying Power:0.9W; Contact Rating:3A; Relay Type:General Purpose RoHS Compliant: Yes |
| PDIUSBH12 | USB 2-port hub |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| PDIUSBH11A | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Universal Serial Bus Hub |
| PDIUSBH11AD | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Universal Serial Bus Hub |
| PDIUSBH11AD-T | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:BUS CONTROLLER |
| PDIUSBH11ANB | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Universal Serial Bus Hub |
| PDIUSBH11D | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Universal Serial Bus Hub |
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