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PDF PDIUSBD11D Data sheet ( Hoja de datos )

Número de pieza PDIUSBD11D
Descripción USB device with serial interface
Fabricantes NXP Semiconductors 
Logotipo NXP Semiconductors Logotipo



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INTEGRATED CIRCUITS
PDIUSBD11
USB device with serial interface
Product specification
Supersedes data of 1999 Nov 19
1999 Jul 22
Philips
Semiconductors

1 page




PDIUSBD11D pdf
Philips Semiconductors
USB device with serial interface
Product specification
PDIUSBD11
I2C Interface
The I2C bus is used to interface to an external microcontroller
needed to control the operation of the USB device. For cost
consideration, the target system microcontroller can be shared and
utilized for both the functional part as well as the USB protocol
interfacing. The PDIUSBD11 implements a slave I2C interface.
When the PDIUSBD11 needs to communicate with the
microcontroller it asserts an interrupt signal. The microcontroller
services this interrupt by reading the appropriate status register on
the PDIUSBD11 through the I2C bus. (For more information about
the I2C serial bus, refer to the I2C Handbook, Philips order number
9397 750 00013).
The I2C interface on the PDIUSBD11 defines two types of
transactions:
command transaction – A command transaction is used to
define which data (e.g., status byte, buffer data, ...) will be read
from/written to the USB interface in the next data transaction. A
data transaction usually follows a command transaction.
data transaction – A data transaction reads data from/writes
data to the USB interface. The meaning of the data is dependent
on the command transaction which was sent before the data
transaction.
Two addresses are used to differentiate between command and
data transactions. Writing to the command address is interpreted as
a command, while reading from/writing to the data address is used
to transfer data between the PDIUSBH11A and the controller.
ADDRESS TABLE
Type of Address
Command
Data
Physical Address
MSB to LSB
(Binary)
0011 011
0011 010
Protocol
An I2C transaction starts with a Start Condition, followed by an
address. When the address matches either the command or data
address the transaction starts and runs until a Stop Condition or
another Start Condition (repeated start) occurs.
The command address is write-only and is unable to do a read. The
next bytes in the message are interpreted as commands. Several
command bytes can be sent after one command address. Each of
the command bytes is acknowledged and passed on to the Memory
Management Unit inside the PDIUSBD11.
When the Start Condition address matches the data address, the
next bytes are interpreted as data. When the RW bit in the address
indicates a master writes data to slave (=‘0’) the bytes are received,
acknowledged and passed on to the Memory Management Unit. If
the RW bit in the address indicates a master reads data from slave
(=‘1’) the PDIUSBD11 will send data to the master. The I2C-master
must acknowledge all data bytes except the last one. In this way the
I2C interface knows when the last byte has been transmitted and it
then releases the SDA line so that the master controller can
generate the Stop Condition.
Repeated start support allows another packet to be sent without
generating a Stop Condition.
Timing
The I2C interface in the PDIUSBD11 can support clock speeds up to
1 MHz.
1999 Jul 22
5

5 Page





PDIUSBD11D arduino
Philips Semiconductors
USB device with serial interface
Product specification
PDIUSBD11
RECOMMENDED OPERATING CONDITIONS
SYMBOL
PARAMETER
VCC
VI
VI/O
VAI/O
VO
Tamb
DC supply voltage
DC input voltage range
DC input voltage range for I/O
DC input voltage range for analog I/O
DC output voltage range
Operating ambient temperature range in free air
TEST CONDITIONS
See DC and AC characteristics per device
MIN MAX UNIT
3.0 3.6
V
0 5.5 V
0 5.5 V
0 VCC
0 VCC
–40 85
V
V
°C
ABSOLUTE MAXIMUM RATINGS1
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
MAX
UNIT
VCC DC supply voltage
–0.5 +4.6
V
IIK DC input diode current
VI < 0
–50 mA
VI DC input voltage
Note 2
–0.5 +5.5
V
VI/O DC input voltage range for I/O
–0.5 VCC + 0.5
V
IOK DC output diode current
VO > VCC or VO < 0
±50 mA
VO DC output voltage
Note 2
–0.5 VCC + 0.5
V
IO DC output sink or source current for other pins VO = 0 to VCC
±15 mA
IO DC output sink or source current for D+/D– pins VO = 0 to VCC
±50 mA
IGND, ICC DC VCC or GND current
±100
mA
TSTG Storage temperature range
–60 +150
°C
PTOT Power dissipation per package
NOTES:
1. Stresses beyond those listed may cause damage to the device. These are stress ratings only and functional operation of the device at these
or any other conditions beyond those listed in the RECOMMENDED OPERATING CONDITIONS table is not implied. Exposure to absolute
maximum rated conditions for extended periods may affect device reliability.
2. The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
DC CHARACTERISTICS (Digital pins)
SYMBOL
PARAMETER
Input Levels
VIL LOW level input voltage
VIH HIGH level input voltage
VTLH
LOW to HIGH threshold voltage
VTHL
HIGH to LOW threshold voltage
VHYS Hysteresis voltage
Output Levels
VOL LOW level output voltage
VOH HIGH level output voltage
Leakage Current
IOZ OFF state current
IL Input leakage current
IS Suspend current
IO Operating current
TEST CONDITIONS
ST (Schmitt Trigger) pins
ST pins
ST pins
IOL = rated drive
IOL = 20 µA
IOH = rated drive
IOH = 20 µA
OD (Open Drain) pins
Oscillator stopped &
inputs to GND/VCC
I2C operating
MIN TYP MAX UNIT
0.6 V
2.7 V
1.4 1.9 V
0.9 1.5 V
0.4 0.7 V
2.4
VCC – 0.1
10
0.4 V
0.1 V
V
V
±5 µA
±5 µA
15 µA
mA
1999 Jul 22
11

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