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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： | 2/23页 |
| 文件大小： | 270K |
| 代理商： | ADJD-S371-QR999 |
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Addressing
Each slave device on the serial bus needs to have a unique
address. This is the first byte that is sent by the master-
transmitter after the START condition. The address is
defined as the first seven bits of the first byte.
The eighth bit or least significant bit (LSB) determines
the direction of data transfer. A‘one’in the LSB of the first
byte indicates that the master will read data from the
addressed slave (master-receiver and slave-transmitter).
A ‘zero’ in this position indicates that the master will
write data to the addressed slave (master-transmitter
and slave-receiver).
A device whose address matches the address sent by
the master will respond with an acknowledge for the
first byte and set itself up as a slave-transmitter or slave-
receiver depending on the LSB of the first byte.
The slave address on ADJD-S37-QR999 is 0x74 (7-bits).
Data Format
ADJD-S37-QR999 uses a register-based programming
architecture. Each register has a unique address and
controls a specific function inside the chip.
To write to a register, the master first generates a START
condition. Then it sends the slave address for the device
it wants to communicate with. The least significant bit
(LSB) of the slave address must indicate that the master
wants to write to the slave. The addressed device will
then acknowledge the master.
The master writes the register address it wants to access
and waits for the slave to acknowledge. The master
then writes the new register data. Once the slave
acknowledges, the master generates a STOP condition
to end the data transfer.
Figure 9. Slave addressing
Figure 10. Register byte write protocol
A6
A5
A4
A3
A2
A1
A0
1
0
1
0
R/W
SLAVE ADDRESS
MSB
LSB
S A6 A5 A4 A3 A2 A1 A0 W A D7 D6 D5 D4 D3 D2 D1 D0 A D7 D6 D5 D4 D3 D2 D1 D0 A P
START CONDITION
MASTER WILL WRITE DATA
STOP CONDITION
MASTER SENDS
SLAVE ADDRESS
MASTER WRITES
REGISTER ADDRESS
MASTER WRITES
REGISTER DATA
SLAVE ACKNOWLEDGE
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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 |
| ADJD-WM00-NKKZ0 | 功能描述:LED照明模块 Cool White MS Strip 3 RoHS:否 制造商:Cree, Inc. 产品:LED Modules LED 数量:1 照明颜色:Neutral White 射束角:96 deg 波长/色温:3500 K 光强度: 光通量:3000 lm 宽度: 长度:88.2 mm 系列: 封装:Bulk |
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| ADJD-WM01-NKKZ0 | 功能描述:LED照明模块 Cool White MS Strip 3R RoHS:否 制造商:Cree, Inc. 产品:LED Modules LED 数量:1 照明颜色:Neutral White 射束角:96 deg 波长/色温:3500 K 光强度: 光通量:3000 lm 宽度: 长度:88.2 mm 系列: 封装:Bulk |
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