AS3645 austriamicrosystems, AS3645 Datasheet - Page 20

• 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
Register Description (I
Table 7.
Table 8.
Table 9.
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7:0
3:0
7:4
3:0
5:4
Bit
Bit
Bit
Design Info
Version Control
Indicator/Flash
Addr: 0
Addr: 1
Addr: 2
flash_timeout
vref_offset
Bit Name
Bit Name
Bit Name
reserved
fixed_id
version
Register
TimerRegister
Register
2
C mode)
Default Access
Default Access
Default Access
11h
Xh
Xh
Fh
00
This register defines Indicator Current and Flash Timeouts
R/W
R/W
R
R
R
Revision 1.6
Adjust the single/dual LED detection voltage V
This register defines design versions
Ch
Dh
Ah
Bh
Eh
Fh
0h
1h
2h
3h
4h
5h
6h
7h
8h
9h
00
01
10
11
Indicator/Flash Timer
This is a fixed identification (e.g. to verify the I
This register has a fixed ID
Version Control
Define the duration of the flash timeout timer
Design Info
Single/Dual LED Detection on page 12)
AS3645 version number
reserved - don’t use
communication)
Register
Description
Description
Description
V
V
V
V
Register
LED_DET
LED_DET
LED_DET
LED_DET
Register
100ms
150ms
200ms
250ms
300ms
350ms
400ms
450ms
500ms
550ms
600ms
650ms
700ms
750ms
800ms
850ms
=4.35V
=4.65V
=4.05V
=4.95V
LED_DET
2
C
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