AS3645 austriamicrosystems, AS3645 Datasheet - Page 16

• Manufacturer Part Number: AS3645
• Description: 1000/720ma Ultra Small High Efficient Single/dual Led Flash Driver With Safety Features
• Manufacturer: austriamicrosystems

AS3645
Datasheet - D e t a i l e d D e s c r i p t i o n
Flash Strobe Timings
In I
Figure 19. AS3645 flash duration defined by
Figure 20. AS3645 flash duration defined by flash_timeout, starting flash with STROBE rising edge
Figure 21. AS3645 flash duration and start defined by STROBE, limited by flash_timeout; timer not expired
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2
C mode, the flash timing
10.flash mode is selected by setting
1. Flash duration defined by register
2. Flash duration defined by register
3. Flash start and timing defined by the pin STROBE; the flash duration is limited by the timeout timer defined by
the I
set
ure
set
flash_timeout
set
strobe_on
strobe_on
strobe_on
20):
2
C command









(see
= 0, start the flash by setting
= 1 and
= 1 and
(see Figure
Figure 21
# $
% &
& !


10
" 
strobe_type
strobe_type
is defined as follows:
%
'
'
#$
and
19):
! 
 "# $
mode_setting
Figure
flash_timeout
flash_timeout
"  ( #$
= 0
= 1
flash_timeout
"
22):
& '() *
&"'() + +)
out_on
  
Revision 1.6
! 
% 
= 11 and
and flash started immediately when this mode is selected by
and flash started with a rising edge on pin STROBE
= 1
without using STROBE input
#$
+)
out_on
($)*+ ,
( )*+ - -+
)*+,- .
)$+,-
  
= 1
-
-+
-
  
!
(see Fig-
16 - 33