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AS3661 Datasheet(PDF) 30 Page - ams AG

Part # AS3661
Description  Programmable 9-channel LED Dr iver
PDF  87 Pages
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Manufacturer  AMSCO [ams AG]
Direct Link  http://www.ams.com
Logo AMSCO - ams AG

AS3661 Datasheet(HTML) 30 Page - ams AG

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www.austriamicrosystems.com
Revision 1.3
29 - 85
AS3661
Datasheet - D e t a i l e d D e s c r i p t i o n
36
MISC
[7]
R/W
0xxxxxxx
VARIABLE_D_SEL
Variable LED source selection
[6]
x1xxxxxx
EN_AUTO_INCR
Serial bus address auto increment enable
[5]
xx0xxxxx
POWERSAVE_EN
Powersave mode enable
[4:3]
xxx00xxx
CP_MODE
Charge pump gain selection
[2]
xxxxx0xx
PWM_PS_EN
PWM cycle powersave enable
[1]
xxxxxx0x
CLK_DET_EN
External clock detection
[0]
xxxxxxx0
INT_CLK_EN
Clock source selection
37
ENGINE1 PC
[6:0]
R/W
x0000000
PC Program counter for engine 1
38
ENGINE2 PC
[6:0]
R/W
x0000000
PC Program counter for engine 2
39
ENGINE3 PC
[6:0]
R/W
x0000000
PC Program counter for engine 3
3A
STATUS /
INTERRUPT
[7]
R
0xxxxxxx
LEDTEST_MEAS_DONE
Indicates when the LED test measurement is
done.
[6]
x1xxxxxx
MASK_BUSY
Mask bit for interrupts generated by
STARTUP_BUSY or ENGINE_BUSY
[5]
xx0xxxxx
STARTUP_BUSY
This bit indicates that the start-up sequence
is running
[4]
xxx0xxxx
ENGINE_BUSY
This bit indicates that a program execution
engine is clearing internal registers
[3]
xxxx0xxx
EXT_CLK_USED
Indicates when external clock signal is in use
[2]
xxxxx0xx
ENG1_INT
Interrupt bit for program execution engine 1
[1]
xxxxxx0x
ENG2_INT
Interrupt bit for program execution engine 2
[0]
xxxxxxx0
ENG3_INT
Interrupt bit for program execution engine 3
3B
GPO
[2]
R/W
xxxxx0xx
INT_CONF
INT pin can be configured to function as a
GPO with this bit
[1]
xxxxxx0x
GPO pin control
[0]
xxxxxxx0
INT_GPO
GPO pin control for INT pin (when
INT_CONF is set "1")
3C
VARIABLE
[7:0]
R/W
00000000
VARIABLE
Global 8-bit variable
Table 7. Description of Registers
Hex
Address
Register Name
Bit(s)
Type
Default Value
After Reset
Description



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