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PDF PDIUSBH11 Data sheet ( Hoja de datos )
| Número de pieza | PDIUSBH11 | |
| Descripción | Universal Serial Bus Hub | |
| Fabricantes | NXP Semiconductors | |
| Logotipo |  |
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INTEGRATED CIRCUITS
PDIUSBH11
Universal Serial Bus Hub
Product specification
Supersedes data of 1997 Apr 17
1997 Aug 01
Philips
Semiconductors
1 page  
Philips Semiconductors
Universal Serial Bus Hub
PIN DESCRIPTION (MODE 1)
PIN NO
PIN SYMBOL
I/O
1 TEST1 I
2 TEST2 I
3 TEST3 I
4 RESET_N I
5
GND
POWER
6
XTAL1
I/O
7
XTAL2
I/O
8
CLK12MHZ
O
9
VCC
POWER
10 OCURRENT2_N
I
11 SWITCH_N O
12 SUSPEND O
13 DN2_EN_N O
14 OCURRENT3_N
I
15 OCURRENT4_N
I
16 OCURRENT5_N
I
17 INT_N O
18
SDA
I/O
19 SCL I/O
20
GND
POWER
21
DN5_DP
AI/O
22
DN5_DM
AI/O
23
DN4_DP
AI/O
24
DN4_DM
AI/O
25
DN3_DP
AI/O
26
DN3_DM
AI/O
27
DN2_DP
AI/O
28
DN2_DM
AI/O
29
AGND
POWER
30
AVCC
POWER
31
UP_DP
AI/O
32
UP_DM
AI/O
NOTES:
1. Signals ending in _N indicate active low signals.
ST: Schmitt Trigger
OD4, OD8: Open Drain with 4 or 8 mA drive
AI/O: Analog I/O
DRIVE
ST
2mA
ST
OD8
4mA
OD8
ST
ST
ST
OD4
OD4
OD4
Product specification
PDIUSBH11
NAME AND FUNCTION
Connect to VCC
Connect to VCC
Connect to Ground
Power-on reset
Ground reference
Crystal connection 1 (48MHz)
Crystal connection 2 (48MHz)
12MHz output clock for external devices
Voltage supply 3.3V " 0.3V
Downstream port 2 over-current notice
Enables power to downstream ports
Device is in suspended state
Downstream port 2 LED enable indicator
Downstream port 3 over-current notice
Downstream port 4 over-current notice
Downstream port 5 over-current notice
Connect to microcontroller interrupt
I2C bi-directional data
I2C bit-clock
Ground reference
Downstream port 5 D+ connection
Downstream port 5 D– connection
Downstream port 4 D+ connection
Downstream port 4 D- connection
Downstream port 3 D+ connection
Downstream port 3 D- connection
Downstream port 2 D+ connection
Downstream port 2 D- connection
Analog Ground reference
Analog voltage supply 3.3V " 0.3V
Upstream D+ connection
Upstream D- connection
1997 Aug 01
5
5 Page 
Philips Semiconductors
Universal Serial Bus Hub
Read Endpoint Status
Command
: 80–84h
Data
: Read 1 byte
Product specification
PDIUSBH11
76 54 3 2 1 0
00 00 0 0 0 0
POWER ON VALUE
RESERVED
SETUP PACKET
STALL
DATA 0/1 PACKET
BUFFER FULL
RESERVED
SETUP PACKET
STALL
DATA 0/1 PACKET
BUFFER FULL
A ‘1’ INDICATES THE LAST RECEIVED PACKET WAS A SETUP TOKEN
A ‘1’ INDICATES THE ENDPOINT IS STALLED
A ‘1’ INDICATES THAT THE LAST RECEIVED OR SENT PACKET HAD A DATA1 PID
A ‘1’ INDICATES THAT THE BUFFER IS FULL
SV00508
Read Buffer
Command
: F0h
Data
: Read multiple bytes (max 10)
The Read Buffer command is followed by a number of data reads, which return the contents of the selected endpoint data buffer. After each
read, the internal buffer pointer is incremented by 1.
The buffer pointer is not reset to the buffer start by the Read Buffer command. This means that reading or writing a buffer can be interrupted by
any other command (except for Select Endpoint), or can be done by more than one I2C transaction (read the first 2 bytes to get the number of
data bytes, then read the rest in other transactions).
The data in the buffer are organized as follows:
• byte 0: reserved: can have any value
• byte 1: Number / length of data bytes
• byte 2: Data byte 1
• byte 3: Data byte 2
Write Buffer
Command
: F0h
Data
: Write multiple bytes (max 10)
The Write Buffer command is followed by a number of data writes, which load the endpoints buffer. The data must be organized in the same
way as described in the Read Buffer command. The first byte (reserved) should always be 0. As in the Read Buffer command, the data can be
split up into different I2C data transactions.
WARNING
There is no protection against writing or reading over a buffer’s boundary or against writing into an OUT buffer or reading from an IN buffer. Any
of these actions could cause an incorrect operation. Data in an OUT buffer are only meaningful after a successful transaction.
1997 Aug 01
11
11 Page | ||
| Páginas | Total 26 Páginas | |
| PDF Descargar | [ Datasheet PDIUSBH11.PDF ] | |
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