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AS3677 датащи(PDF) 17 Page - ams AG

номер детали AS3677
подробное описание детали  Triple Channel Lighting Management Unit with DCDC step/up, ALS, 2xDLS(=DBC) and RGB Driver
PDF  68 Pages
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производитель  AMSCO [ams AG]
домашняя страница  http://www.ams.com
Logo AMSCO - ams AG

AS3677 датащи(HTML) 17 Page - ams AG

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AS3677
Datasheet - D e ta i l e d D e s c r i p t i o n
8.3.4
Charge Pump Registers
Table 13. Reg control
Register
Addr: 00h
Reg control
This register controls the Charge Pump.
Bit
Bit Name
Default Access
Description
2
cp_on
0R/W
0
Set Charge Pump into 1:1 mode (off state) unless
cp_auto_on is set
1
Enable manual or automatic mode switching
Table 14. CP control
Register
Addr: 23h
CP control
This register enables/disables the Charge Pump and the Step Up DC/DC
Converter.
Bit
Bit Name
Default Access
Description
0
cp_clk
0R/W
Clock frequency selection.
01 MHz
1
500 kHz
2:1
cp_mode
00b
R/W
Charge Pump mode (in manual mode sets this mode, in
automatic mode reports the actual mode used)
00
1:1 mode
01
10
1:2 mode
11
4:3
cp_mode_switching
00b
R/W
Set the mode switching algorithm
00
Automatic Mode switching
01
10
Manual Mode switching; register cp_mode defines
the actual charge pump mode used
11
5
cp_start_debounce
0R/W
0
Mode switching debounce timer is always 240µs
1
Upon startup (cp_on set to 1) the mode switching
debounce time is first started with 2ms then
reduced to 240µs
6
cp_auto_on
1R/W
0
Charge Pump is switched on/off with cp_on
1
Charge Pump is automatically switched on if a
current sink, which is connected to the charge
pump (defined by registers CP Mode Switch 1 & 2)
is switched on



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