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ISL29021IROZ-T7 датащи(PDF) 5 Page - Intersil Corporation

номер детали ISL29021IROZ-T7
подробное описание детали  Digital Proximity Sensor with Interrupt Function
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производитель  INTERSIL [Intersil Corporation]
домашняя страница  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

ISL29021IROZ-T7 датащи(HTML) 5 Page - Intersil Corporation

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5
FN6732.0
March 3, 2009
of the interrupt. An unexpected camera flash, for example,
can be ignored by setting the persistency to 8 integration
cycles.
I2C Interface
There are eight 8-bit registers available inside the ISL29021.
The two command registers define the operation of the device.
The command registers do not change until the registers are
overwritten. The two 8-bit data Read Only registers are for the
ADC output and the Timer output. The data registers contain
the ADC's latest digital output, or the number of clock cycles in
the previous integration period. The four 8-bit interrupt registers
hold 16-bit interrupt high and low thresholds.
The ISL29021’s I2C interface slave address is internally hard-
wired as 1000100. When 1000100x with x as R or W is sent
after the Start condition, this device compares the first seven
bits of this byte to its address and matches.
Figure 1 shows a sample one-byte read. Figure 2 shows a
sample one-byte write. The I2C bus master always drives
the SCL (clock) line, while either the master or the slave can
drive the SDA (data) line. Figure 2 shows a sample write.
Every I2C transaction begins with the master asserting a
start condition (SDA falling while SCL remains high). The
following byte is driven by the master, and includes the slave
address and read/write bit. The receiving device is
responsible for pulling SDA low during the
acknowledgement period. Every I2C transaction ends with
the master asserting a stop condition (SDA rising while SCL
remains high).
For more information about the I2C standard, please consult
the PhilipsI2C specification documents.
FIGURE 1. I2C READ TIMING DIAGRAM SAMPLE
START
W A
A
A6 A5 A4 A3 A2 A1 A0 W A R7 R6 R5 R4 R3 R2 R1 R0 A
A6 A5 A4 A3 A2 A1 A0 W A
A
A
A D7D6 D5 D4 D3 D2D1 D0
13
5
7
13
57
1 2 3
4 5
6
9
2
4
6
STOP START
SDA DRIVEN BY MASTER
DEVICE ADDRESS
SDA DRIVEN BY ISL29021
DATA BYTE0
REGISTER ADDRESS
OUT
DEVICE ADDRESS
I2C DATA
SDA DRIVEN BY MASTER
SDA DRIVEN BY MASTER
24
68 9
2
46
8 9
7
8
13
5
7
8
9
I2C SDA
I2C SDA
I2C CLK
IN
FIGURE 2. I2C WRITE TIMING DIAGRAM SAMPLE
START
W
A
A
A6 A5 A4 A3 A2 A1 A0 W
A R7 R6 R5 R4 R3 R2 R1 R0 A B7 B6 B5 B4 B3 B2 B1 B0
A
A
1
2
615
948
STOP
SDA DRIVEN BY MASTER
FUNCTIONS
REGISTER ADDRESS
DEVICE ADDRESS
SDA DRIVEN BY MASTER
SDA DRIVEN BY MASTER
I2C DATA
I2C SDA IN
I2C SDA OUT
I2C CLK IN
AA
34
5
7
8
9
2
3
4
6
7
8
1
2
3
5
67
9
A
ISL29021


Аналогичный номер детали - ISL29021IROZ-T7

производительномер деталидатащиподробное описание детали
logo
Intersil Corporation
ISL29021IROZ-T7 INTERSIL-ISL29021IROZ-T7 Datasheet
583Kb / 12P
   Digital Proximity Sensor with Interrupt Function
logo
Renesas Technology Corp
ISL29021IROZ-T7 RENESAS-ISL29021IROZ-T7 Datasheet
816Kb / 12P
   Digital Proximity Sensor with Interrupt Function
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Аналогичное описание - ISL29021IROZ-T7

производительномер деталидатащиподробное описание детали
logo
Intersil Corporation
ISL29021 INTERSIL-ISL29021 Datasheet
583Kb / 12P
   Digital Proximity Sensor with Interrupt Function
logo
Renesas Technology Corp
ISL29021 RENESAS-ISL29021 Datasheet
816Kb / 12P
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ISL29011 RENESAS-ISL29011 Datasheet
1Mb / 19P
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Intersil Corporation
ISL29011IROZ-T7 INTERSIL-ISL29011IROZ-T7 Datasheet
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ISL29018IROZ-T7 INTERSIL-ISL29018IROZ-T7 Datasheet
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   Digital Ambient Light Sensor and Proximity Sensor with Interrupt Function
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logo
Renesas Technology Corp
ISL29018 RENESAS-ISL29018 Datasheet
1Mb / 19P
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