ISP1130DL Philips Semiconductors, ISP1130DL Datasheet - Page 26

• Manufacturer Part Number: ISP1130DL
• Description: Universal Serial Bus compound hub with integrated keyboard controller
• Manufacturer: Philips Semiconductors

Table 27: Interrupt Register: bit configuration
Table 28: Interrupt Register: bit description
Philips Semiconductors
9397 750 06895
Objective specification
Bit
Byte 2
15
14
13
12
11
10
9
8
Byte 1
7
6
5
4
3
2
1
0
Bit
Symbol
Reset
Access
Bit
Symbol
Reset
Access
Symbol
DeviceStatusRegChange
Port5StatusRegChange
Port4StatusRegChange
Port3StatusRegChange
Func3Endp1In
Func3Endp1Out
Func3ContlInEndp
Func3ContlOutEndp
Func2Endp1In
Func2Endp1Out
Func2ContlInEndp
Func2ContlOutEndp
Func1Endp1In
Func1Endp1Out
Func1ContlInEndp
Func1ContlOutEndp
StatusReg
Change
Device
Endp1
Func2
15
In
R
R
0
7
0
StatusReg
Remark: All hub endpoints are handled internally by the ISP1130 hardware without
the need of microcontroller intervention.
The interrupt register bits are cleared as follows:
Change
•
•
•
Endp1
Func2
Port5
Out
Reading the Device Status register resets the DeviceStatusRegChange bit
Reading the Embedded Port Status register of a port resets the associated
PortStatusRegChange bit
The Select Endpoint/Clear Interrupt command clears the endpoint interrupt bits of
the selected endpoint.
14
R
R
0
6
0
StatusReg
Change
Description
Status register change on hub device
Status register change on embedded function 3
Status register change on embedded function 2
Status register change on embedded function 1
Endpoint 1 IN of embedded function 3
Endpoint 1 OUT of embedded function 3
Control endpoint IN of embedded function 3
Control endpoint OUT of embedded function 3
Endpoint 1 IN of embedded function 2
Endpoint 1 OUT of embedded function 2
Control endpoint IN of embedded function 2
Control endpoint OUT of embedded function 2
Endpoint 1 IN of embedded function 1
Endpoint 1 OUT of embedded function 1
Control endpoint IN of embedded function 1
Control endpoint OUT of embedded function 1
ContlIn
Func2
Port4
Endp
13
R
R
0
5
0
Rev. 01 — 23 March 2000
StatusReg
ContlOut
Change
Func2
Port3
Endp
12
R
R
0
4
0
USB compound hub with keyboard controller
Endp1
Endp1
Func3
Func1
11
In
In
R
R
0
3
0
Func3
Endp1
Endp1
Func1
Out
Out
10
R
R
0
2
0
© Philips Electronics N.V. 2000. All rights reserved.
ContlIn
ContlIn
Func3
Func1
Endp
Endp
R
R
9
0
1
0
ISP1130
ContlOut
ContlOut
Func3
Func1
Endp
Endp
R
R
8
0
0
0
26 of 68