參數(shù)資料
型號(hào)： STCF03
廠商： 意法半導(dǎo)體
元件分類(lèi)： LED驅(qū)動(dòng)器
英文描述： High power white LED driver with I2C⑩ interface
中文描述： 大功率白光LED驅(qū)動(dòng)器具有I2C⑩接口
文件頁(yè)數(shù)： 18/35頁(yè)
文件大?。?/td> 455K
代理商： STCF03
Introduction
STCF03
18/35
7.11
Reading from a single register
The reading operation starts with a START bit followed by the 7 bit device address of
STCF03. The 8
th
bit is the R/W bit, which is 0 in this case. STCF03 confirms the receiving of
the address + R/W bit by an acknowledge pulse. The address of the register which should
be read is sent afterwards and confirmed again by an acknowledge pulse of STCF03 again.
Then the master generates a START bit again and sends the device address followed by the
R/W bit, which is 1 now. STCF03 confirms the receiving of the address + R/W bit by an
acknowledge pulse and starts to send the data to the master. No acknowledge pulse from
the master is required after receiving the data. Then the master generates a STOP bit to
terminate the communication. See
Figure 10
7.12
Reading from multiple registers with incremental addressing
Reading from multiple registers starts in the same way like reading from a single register. As
soon as the first register is read, the register address is automatically increased. If the
master generates an acknowledge pulse after receiving the data from the first register, then
reading of the next register can start immediately without sending the device address and
Figure 9.
Writing to multiple register with incremental addressing
T
7 bits
K
E
B
B
W
K
REGISTER i
DATA i
C
K
P
B
B
B
B
DATA i+1
K
B
DATA i+2
K
B
DATA i+2
B
DATA i+n
K
S
B
B
B
B
K
B
SDA LINE
R
ADDRESS
C
T
S
S
/
A
ADDRESS OF
C
O
S
M
S
S
C
S
C
S
S
C
S
S
S
S
C
S
S
T
A
DEVICE
A
W
R
I
M
L
R
A
S
T
M
L
L
A
L
A
L
L
A
M
M
M
M
A
L
Figure 10.
Reading from a single register
T
7 bits
K
E
B
B
W
REGISTER
K
B
B
T
K
W
D
7 bits
DATA
B
P
O
K
SDA LINE
S
T
A
R
DEVICE
ADDRESS
A
C
W
R
I
T
M
S
L
S
R
/
ADDRESS
OF
A
C
M
S
L
S
S
T
A
R
A
C
R
/
R
E
A
DEVICE
ADDRESS
L
S
S
T
O
N
A
C
相關(guān)PDF資料
PDF描述
STCF03PNR High power white LED driver with I2C⑩ interface
STCF03TBR High power white LED driver with I2C⑩ interface
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
STCF03I 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:High power white LED driver with IC interface
STCF03I_08 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:High power white LED driver with IC interface
STCF03ITBR 功能描述:LED照明驅(qū)動(dòng)器 HP white LED driver RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N
STCF03PNR 功能描述:LED照明驅(qū)動(dòng)器 Hi Pwr white LED Driver RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N
STCF03TBR 功能描述:LED照明驅(qū)動(dòng)器 HP white LED driver RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N
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