Philips integrated circuits pdiusbh12 User Manual
Philips Semiconductors
Product specification
PDIUSBH12
USB 2-port hub
1999 Jul 22
10
COMMAND SUMMARY
Some commands have the same command code (e.g., Read Buffer and Write Buffer). In these cases, the direction of the Data Phase (read or
write) indicates which command is executed.
write) indicates which command is executed.
COMMAND NAME
RECIPIENT
CODING
DATA PHASE
Initialization Commands
Set Address / Enable
Hub
D0h
Write 1 byte
Embedded Function 1
D1h
Write 1 byte
Embedded Function 6
D2h
Write 1 byte
Embedded Function 7
D3h
Write 1 byte
Set Endpoint Enable
Hub + Embedded Functions
D8h
Write 1 byte
Set Mode
Hub + Embedded Functions
F3h
Write 2 bytes
Data Flow Commands
Read Interrupt Register
F4h
Read 2 bytes
Select Endpoint
Hub Control OUT
00h
Read 1 byte (optional)
Hub Control IN
01h
Read 1 byte (optional)
Other Endpoints
00h + Endpoint Index
Read 1 byte (optional)
Read Last Transaction Status
Hub Control OUT
40h
Read 1 byte
Hub Control IN
41h
Read 1 byte
Other Endpoints
40h + Endpoint Index
Read 1 byte
Read Endpoint Status
Hub Control OUT
80h
Read 1 byte
Hub Control IN
81h
Read 1 byte
Other Endpoints
80h + Endpoint Index
Read 1 byte
Read Buffer
Selected Endpoint
F0h
Read n bytes
Write Buffer
Selected Endpoint
F0h
Write n bytes
Set Endpoint Status
Hub Control OUT
40h
Write 1 byte
Hub Control IN
41h
Write 1 byte
Other Endpoints
40h + Endpoint Index
Write 1 byte
Acknowledge Setup
Selected Endpoint
F1h
None
Clear Buffer
Selected Endpoint
F2h
None
Validate Buffer
Selected Endpoint
FAh
None
Hub Commands
Clear Port Feature
Port 2
E0h
Write 1 byte
Port 3
E1h
Write 1 byte
Set Port Feature
Port 2
E8h
Write 1 byte
Port 3
E9h
Write 1 byte
Get Port Status
Port 2
E0h
Read 1 or 2 bytes
Port 3
E1h
Read 1 or 2 bytes
Set Status Change Bits
F7h
Write 1 byte
General Commands
Send Resume
F6h
None
Read Current Frame Number
F5h
Read 1 or 2 bytes