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参数资料
| 型号： | ADJD-S371-QR999 |
| 厂商： | Avago Technologies Ltd. |
| 英文描述： | Miniature Surface-Mount RGB Digital Color Sensor Module |
| 中文描述： | 微型表面贴装RGB数字色彩传感器模块 |
| 文件页数： | 20/23页 |
| 文件大小： | 270K |
| 代理商： | ADJD-S371-QR999 |
6
Serial Interface Timing Information
Parameter
Symbol
Minimum
Maximum
Units
SCL Clock Frequency
fscl
0
00
kHz
(Repeated) START Condition Hold Time
tHD:STA
4
-
s
Data Hold Time
tHD:CAT
0
3.45
s
SCL Clock Low Period
tLOW
4.7
-
s
SCL Clock High Period
tHIGH
4.0
-
s
Repeated START Condition Setup Time
tSU:STA
4.7
-
s
Data Setup Time
tSU:DAT
250
-
s
STOP Condition Setup Time
tSU:STD
4.0
-
s
Bus Free Time Between START and STOP Conditions
tBUF
4.7
-
s
Figure 2. Serial interface bus timing waveforms
Serial Interface Reference
Description
The programming interface to the ADJD-S37-QR999 is
a 2-wire serial bus. The bus consists of a serial clock (SCL)
and a serial data (SDA) line. The SDA line is bi-directional
on ADJD-S37-QR999 and must be connected through
a pull-up resistor to the positive power supply. When the
bus is free, both lines are HIGH.
The 2-wire serial bus on ADJD-S37-QR999 requires one
device to act as a master while all other devices must be
slaves. A master is a device that initiates a data transfer
on the bus, generates the clock signal and terminates
the data transfer while a device addressed by the master
is called a slave. Slaves are identified by unique device
addresses.
Both master and slave can act as a transmitter or a
receiver but the master controls the direction for data
transfer. A transmitter is a device that sends data to the
bus and a receiver is a device that receives data from
the bus.
The ADJD-S37-QR999 serial bus interface always oper-
ates as a slave transceiver with a data transfer rate of up
to 00kbit/s.
START/STOP Condition
The master initiates and terminates all serial data
transfers. To begin a serial data transfer, the master must
send a unique signal to the bus called a START condition.
This is defined as a HIGH to LOW transition on the SDA
line while SCL is HIGH.
tLOW
tHD:DAT
tHD:STA
tSU:STO
tHIGH
tSU:DAT
tHD:STA
tBUF
tSU:STA
SDA
SCL
S
Sr
P
S
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| ADJD-WD00 | 制造商:Avago Technologies 功能描述: |
| ADJD-WM00 | 制造商:Avago Technologies 功能描述:MOONSTONE LEVEL II, 3 LED STRIP,COOL WHITE,W/O RESISTOR - Rail/Tube |
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| ADJD-WM01 | 制造商:Avago Technologies 功能描述:MOONSTONE LEVEL II, 3 LED STRIP WITH RESISTOR,COOL WHITE - Rail/Tube |
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