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IS31FL3193-DLS2-EB Datasheet(PDF) 8 Page - Integrated Silicon Solution, Inc

Part # IS31FL3193-DLS2-EB
Description  3-CHANNEL FUN LED DRIVER
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Manufacturer  ISSI [Integrated Silicon Solution, Inc]
Direct Link  http://www.issi.com
Logo ISSI - Integrated Silicon Solution, Inc

IS31FL3193-DLS2-EB Datasheet(HTML) 8 Page - Integrated Silicon Solution, Inc

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IS31FL3193
Integrated Silicon Solution, Inc. – www.issi.com
8
Rev. C, 11/27/2014
Table 4
01h
Breathing Control Register
Bit
D7:D6
D5
D4
D3
D2
D1:D0
Name
-
RM
HT
-
BME
CSS
Default
00
0
0
0
0
00
The Breathing Control Register sets the breathing
function.
RM
Ramping Mode Enable
0
Disable
1
Enable
HT
Hold Time Selection
0
Hold on T2
1
Hold on T4
BME
Breathing Mark Enable
0
Disable
1
Enable
CSS
Channel Selection
00
OUT1
01
OUT2
10
OUT3
Others
Unavailable
Table 5
02h
LED Mode Register
Bit
D7:D6
D5
D4:D0
Name
-
RGB
-
Default
00
0
00000
The LED Mode Register sets operation mode of
IS31FL3193.
RGB
RGB Mode Selection
0
PWM Control Mode
1
One Shot Programming Mode
Table 6
03h
Current Setting Register
Bit
D7:D5
D4:D2
D1:D0
Name
-
CS
-
Default
000
000
00
The Current Setting Register stores the maximum
current setting, IMAX, for all of the LED output channels.
CS
Current Setting
000
42mA
001
10mA
010
5mA
011
30mA
1xx
17.5mA
Table 7
04h~06h
PWM Register(OUT1~OUT3)
Bit
D7:D0
Name
PWM
Default
0000 0000
The value in the PWM Registers modulate the RGB
LEDs in 256 steps.
The value of the PWM Registers decide the average
output current of OUT1~OUT3. The average output
current may be computed using the Formula (1):
7
0
2
*
]
[
256
n
n
MAX
OUT
n
D
I
I
(1)
Where D[n] stands for the individual bit value, 1 or 0, in
location n.
For example: if D7:D0 = 10110101,
IOUT = IMAX (2
0+22+24+25+27)/256
IMAX is set by Current Setting Register.
07h
PWM Update Register
The data sent to the PWM Registers and the LED
Control Registers will be stored in temporary registers.
A write operation of “0000 0000” to the Update
Register is required to update the registers (04h~06h,
1Dh).
Table 8
0Ah~0Ch
T0 Register (OUT1~OUT3)
Bit
D7:D4
D3:D0
Name
T0
-
Default
0000
0000
The T0 Registers set the T0 time in One Shot
Programming mode.
T0
T0 Setting
0000
0s
0001
0.13s
0010
0.26s
0011
0.52s
0100
1.04s
0101
2.08s
0110
4.16s
0111
8.32s
1000
16.64s
1001
33.28s
1010
66.56s
Others
Unavailable


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