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參數(shù)資料
| 型號： | AAT3129ITP-60-T1 |
| 廠商： | Advanced Analog Technology,lnc. |
| 英文描述： | High Efficiency 1X/1.5X/2X Charge Pump for RGB Color LED Applications |
| 中文描述： | 高效率1x/1.5x/2x充電泵為RGB顏色LED應(yīng)用 |
| 文件頁數(shù)： | 10/15頁 |
| 文件大?。?/td> | 433K |
| 代理商： | AAT3129ITP-60-T1 |
Applications Information
AS
2
Cwire Serial Interface
The Advanced Simple Serial Control digital interface
is used to set the color, overall intensity, and method
of update for the R, G, and B channels. The intensi-
ty for each channel is set by dedicated 4-bit registers
giving each channel 16 levels of brightness and
resulting in 4096 possible color combinations. In
addition to the three color registers, there is an inten-
sity register and a mode register. The intensity reg-
ister sets the overall intensity and provides 16 glob-
al brightness levels. The mode register toggles the
method of update between two possibilities.
Depending on the mode register setting, the
AAT3129 will update the R, G, and B channels
immediately or update them only when the intensity
register is updated.
AS
2
Cwire relies on the number of rising edges of the
EN/SET pin to address and load the registers.
AS
2
Cwire latches data or address after the EN/SET
pin has been held high for time T
LAT
. Address or
data is differentiated by the number of EN/SET rising
edges. Since the data registers are 4 bits each, the
differentiating number of pulses is 2
4
or 16, so that
address 1 is signified by 17 rising edges, address 2
by 18 rising edges, and so forth. Data is set to any
number of rising edges between 1 and including 16.
A typical write protocol is a burst of EN/SET rising
edges, signifying a particular address, followed by a
pause with EN/SET held high for the T
LAT
timeout
period, a burst of rising edges signifying data, and a
T
LAT
timeout for the data registers. Once an address
is set, then multiple writes to the corresponding data
register are allowed.
When EN/SET is held low for an amount of time
greater than T
OFF
, the AAT3129 enters into shut-
down mode and draws less than 1
μ
A from the sup-
ply. Address 1 is the default address on the first ris-
ing edge after the AAT3129 has been disabled.
When shutdown mode is entered, the Address and
Data registers are reset to 1.
AS
2
Cwire Serial Interface Timing
AS
2
Cwire Serial Interface Addressing
Address
EN/SET Rising Edges
Data Register
Description
1
2
3
4
5
17
18
19
20
21
R
G
B
T
M
Red
Green
Blue
Intensity
Mode
Address
Data
1
EN/SET
2
17
18
Address
G
R, B, T, M
1
2 . . .
n <= 16
1
2
1
1
n
T
HI
T
LO
T
LAT
T
LAT
AAT3129
High Efficiency 1X/1.5X/2X Charge Pump
for RGB Color LED Applications
10
3129.2007.01.1.4
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| AAT3131 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:High Efficiency 1X/1.5X Fractional Charge Pump for White LED Applications |
| AAT3131_08 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:High Efficiency 1X/1.5X Fractional Charge Pump for White LED Applications |
| AAT3131ITP-T1 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:High Efficiency 1X/1.5X Fractional Charge Pump for White LED Applications |
| AAT3132 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:High Efficiency 1.5X Fractional Charge Pump for White LED Applications |
| AAT3132A | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:High Efficiency 1.5X Fractional Charge Pump for White LED Applications |
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