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PDF PDIUSBH12D Data sheet ( Hoja de datos )
| Número de pieza | PDIUSBH12D | |
| Descripción | USB 2-port hub | |
| Fabricantes | NXP Semiconductors | |
| Logotipo |  |
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INTEGRATED CIRCUITS
PDIUSBH12
USB 2-port hub
Product specification
Supersedes data of 1999 Feb 25
Philips
Semiconductors
1999 Jul 22
1 page  
Philips Semiconductors
USB 2-port hub
Product specification
PDIUSBH12
ENDPOINT DESCRIPTIONS
There are two endpoint configuration modes supported by the PDIUSBH12, the Single Embedded Function mode and the Multiple (3)
Embedded Function mode. The Single Embedded Function mode is the default at power up reset. The Multiple (3) Embedded Function mode
can be configured by writing a zero to bit 7 of the first byte of the Set Mode command. Either mode is backward compatible to the PDIUSBH11.
Table 1. SINGLE EMBEDDED FUNCTION MODE (DEFAULT AT POWER UP)
FUNCTION
PORTS
ENDPOINT #
ENDPOINT
INDEX
TRANSFER
TYPE
Hub
0: Upstream
2–3: Downstream
0
1
0
Embedded
Function 1
1
1
2
NOTE:
1. Hub interrupt endpoint is not indexed.
2. Generic endpoint can be used for Interrupt or Bulk endpoint.
3
0
1 Control
– Interrupt
2
3 Control
5
4 Generic
6
7 Generic
8
9 Generic
DIRECTION
OUT
IN
IN
OUT
IN
OUT
IN
OUT
IN
OUT
IN
MAX
PACKET SIZE
(BYTES)
8
8
1
8
8
8
8
8
8
8
8
Table 2. MULTIPLE (3) EMBEDDED FUNCTION MODE
FUNCTION
PORTS
ENDPOINT #
ENDPOINT
INDEX
Hub
Embedded
Function 1
Embedded
Function 6
Embedded
Function 7
0: Upstream
2–3: Downstream
1
6
7
0
01
1–
2
03
5
14
10
0 11
6
17
12
0 13
8
19
TRANSFER
TYPE
Control
Interrupt
Control
Generic
Control
Generic
Control
Generic
DIRECTION
OUT
IN
IN
OUT
IN
OUT
IN
OUT
IN
OUT
IN
OUT
IN
OUT
IN
MAX
PACKET SIZE
(BYTES)
8
8
1
8
8
8
8
8
8
8
8
8
8
8
8
1999 Jul 22
5
5 Page 
Philips Semiconductors
USB 2-port hub
Product specification
PDIUSBH12
COMMAND DESCRIPTIONS
Command Procedure
There are four basic types of commands: Initialization, Data, Hub
Specific, and General commands. Respectively, these are used to
initialize the hub and embedded function; for data flow between the
hub, embedded function, and the host; some hub specific
commands for controlling individual downstream ports; and some
general commands.
Initialization Commands
Initialization commands are used during the enumeration process of
the USB network. These commands are used to enable the hub and
embedded function endpoints. They are also used to set the USB
assigned address.
Set Address / Enable
Command
: D0h (Hub), D1h, D2h, D3h,
(Embedded Functions)
Data
: Write 1 byte
This command is used to set the USB assigned address and enable
the hub or embedded functions respectively. The hub powers up
enabled and needs not be enabled by the firmware at power up
initialization.
76 54 32 1 0
00 00 00 00
POWER ON VALUE
ADDRESS
ENABLE
SV00825
Address
Enable
The value written becomes the address.
A ‘1’ enables this function.
Set Endpoint Enable
Command
: D8h
Data
: Write 1 byte
The hub’s interrupt endpoint and the embedded functions generic
endpoints can only be enabled when the corresponding hub/function
is enabled via the Set Address/Enable command.
7 6 54 3 2 10
X X X X 0 0 0 0 POWER ON VALUE
HUB’S INTERRUPT ENDPOINT
EMBEDDED FUNCTION 1 GENERIC ENDPOINTS
EMBEDDED FUNCTION 6 GENERIC ENDPOINTS
EMBEDDED FUNCTION 7 GENERIC ENDPOINTS
RESERVED
Hub’s Interrupt Endpoint
Embedded Function 1 Generic Endpoint
Embedded Function 6 Generic Endpoint
Embedded Function 7 Generic Endpoint
SV00841
A value of ‘1’ indicates
the hub’s interrupt
endpoint is enabled.
A value of ‘1’ indicates
the embedded function
1 generic endpoints are
enabled.
A value of ‘1’ indicates
the embedded function
6 generic endpoints are
enabled.
A value of ‘1’ indicates
the embedded function
7 generic endpoints are
enabled.
Set Mode
Command
Data
: F3h
: Write 2 bytes
The Set Mode command is followed by two data writes. The first
byte contains the configuration byte values. The second byte is the
clock division factor byte.
1999 Jul 22
11
11 Page | ||
| Páginas | Total 28 Páginas | |
| PDF Descargar | [ Datasheet PDIUSBH12D.PDF ] | |
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