ISP1130DL datasheet(13/68 Pages) PHILIPS

13 / 68 page

Philips Semiconductors

ISP1130

USB compound hub with keyboard controller

Objective speciﬁcation

Rev. 01 — 23 March 2000

13 of 68

9397 750 06895

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.

Port 4 SC

a logic 1 indicates a status change on embedded function 2 or on

embedded function 3 (downstream port 2 disabled)

Port 5 SC

a logic 1 indicates a status change on embedded function 3; not used

if downstream port 2 is disabled

reserved

not used

reserved

not used

Table 4:

Status Change byte: bit allocation…continued

Bit

Symbol

Description

Table 5:

Standard USB requests

Request name

bmRequestType

byte 0 [7:0]

(Bin)

bRequest

byte 1

(Hex)

wValue

byte 2, 3

(Hex)

wIndex

byte 4, 5

(Hex)

wLength

byte 6, 7

(Hex)

Data

Address

Set Address

X000 0000

address [1]

00, 00

none

Conﬁguration

Get Conﬁguration

1000 0000

00, 00

01, 00

conﬁguration

value = 01H

Set Conﬁguration (0)

X000 0000

00, 00

none

Set Conﬁguration (1)

X000 0000

01, 00

00, 00

none

Descriptor

Get Conﬁguration

Descriptor

1000 0000

00, 02

00, 00

length [2]

conﬁguration,

interface and

endpoint

descriptors

Get Device Descriptor

1000 0000

00, 01

00, 00

length [2]

device

descriptor

Get String Descriptor (0)

1000 0000

00, 03

00, 00

length [2]

language ID

string

Get String Descriptor (1)

1000 0000

01, 03

09, 04

length [2]

manufacturer

string

Get String Descriptor (2)

1000 0000

02, 03

09, 04

length [2]

product string

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