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AS3682 Datasheet(PDF) 30 Page - ams AG

No. de pieza AS3682
Descripción Electrónicos  480mA Camera Lighting Management Unit
PDF  43 Pages
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Fabricante Electrónico  AMSCO [ams AG]
Página de inicio  http://www.ams.com
Logo AMSCO - ams AG

AS3682 Datasheet(HTML) 30 Page - ams AG

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AS3682
austriamicrosystems
Data Sheet
Charge Pump Control Registers
www.austriamicrosystems.com
Revision 2.21
30 - 43
11.5 Charge Pump Control Registers
Addr: 00
Powerdown_control
This register switches the charge pump and current sinks_1x on and off.
Bit
Bit Name
Default
Access
Description
0
cp_led_on
0
R/W
Charge pump enable/disable.
0 = Switches the charge pump off.
1 = Switches the charge pump on.
1
curr11_on
See curr11_on (page 24).
2
curr12_on
See curr12_on (page 24).
3
curr13_on
See curr13_on (page 24).
7:4
N/A
Addr: 0D
CP_control
This register sets the charge pump mode and reads the current charge pump mode.
Bit
Bit Name
Default
Access
Description
0
cp_clk
0
R/W
Charge pump clock frequency selection.
0 = 1MHz
1 = 500 kHz
1cp_man
0
R/W
Charge pump mode control.
0 = Automatic mode.
1 = Manual mode.
3:2
cp_mode
00b
R/W
Charge pump mode selection.
01 = N/A
01 = Charge pump mode 1:1.
10 = Charge pump mode 1:1.5.
11 = Charge pump mode 1:2.
4
cp_mode2
0
R/W
Used for test purposes only.
5:7
N/A
Addr: 0F
Curr_voltage_control
This register indicates if the voltage at any current sink has dropped below a predefined
value. If the charge pump is operating in automatic-mode (default), the contents of this
register can be disregarded. The voltages at current sinks 1x are used for automatic
mode selection of the charge pump. The voltages at current sinks 2, 3, and 4 can be
optionally used for automatic mode selection of the charge pump (see register
Curr234_ctrl
(page 29)).
Bit
Bit Name
Default
Access
Description
0
curr11_low_voltage
N/A
R
See curr11_low_voltage (page 26).
1
curr12_low_voltage
N/A
R
See curr12_low_voltage (page 26).
2
Curr13_low_voltage
N/A
R
See curr13_low_voltage (page 26).
3
Curr2_low_voltage
N/A
R
See Curr2_low_voltage (page 29).
4
Curr3_low_voltage
N/A
R
See Curr3_low_voltage (page 29).
5
Curr4_low_voltage
N/A
R
See Curr4_low_voltage (page 29).
7:6
cp_status
N/A
R
01 = Charge pump mode 1:1.
10 = Charge pump mode 1:1.5.
11 = Charge pump mode 1:2.



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