ISP1130 Просмотр технического описания (PDF) - Philips Electronics
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ISP1130 Datasheet PDF : 68 Pages
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Philips Semiconductors
ISP1130
USB compound hub with keyboard controller
Table 4: Status Change byte: bit allocation…continued
Bit Symbol
Description
4
Port 4 SC a logic 1 indicates a status change on embedded function 2 or on
embedded function 3 (downstream port 2 disabled)
5
Port 5 SC a logic 1 indicates a status change on embedded function 3; not used
if downstream port 2 is disabled
6
reserved
not used
7
reserved
not used
8. Host requests
The ISP1130 handles all standard USB requests from the host via control endpoint 0.
The control endpoint can handle a maximum of 64 bytes per transfer.
Remark: Please note that the USB data transmission order is Least Significant Bit
(LSB) first. In the following tables multi-byte variables are displayed least significant
byte first.
8.1 Standard requests
Table 5 shows the supported standard USB requests. Some requests are explicitly
unsupported. All other requests will be responded with a STALL packet.
Table 5: Standard USB requests
Request name
bmRequestType
byte 0 [7:0]
(Bin)
Address
Set Address
X000 0000
Configuration
Get Configuration
1000 0000
bRequest
byte 1
(Hex)
05
08
wValue
byte 2, 3
(Hex)
address [1]
00, 00
wIndex
byte 4, 5
(Hex)
00, 00
00, 00
Set Configuration (0)
X000 0000
09
Set Configuration (1)
X000 0000
09
Descriptor
Get Configuration
Descriptor
1000 0000
06
00, 00
01, 00
00, 02
00, 00
00, 00
00, 00
Get Device Descriptor 1000 0000
06
Get String Descriptor (0) 1000 0000
06
Get String Descriptor (1) 1000 0000
06
Get String Descriptor (2) 1000 0000
06
00, 01
00, 03
01, 03
02, 03
00, 00
00, 00
09, 04
09, 04
wLength
byte 6, 7
(Hex)
00, 00
01, 00
00, 00
00, 00
length [2]
length [2]
length [2]
length [2]
length [2]
Data
none
configuration
value = 01H
none
none
configuration,
interface and
endpoint
descriptors
device
descriptor
language ID
string
manufacturer
string
product string
9397 750 06895
Objective specification
Rev. 01 — 23 March 2000
© Philips Electronics N.V. 2000. All rights reserved.
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