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AS3658F-BCTP Datasheet(PDF) 58 Page - ams AG

Part # AS3658F-BCTP
Description  Power and Audio Management Unit for Portable Devices
PDF  158 Pages
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Manufacturer  AMSCO [ams AG]
Direct Link  http://www.ams.com
Logo AMSCO - ams AG

AS3658F-BCTP Datasheet(HTML) 58 Page - ams AG

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Revision 1v13
57 - 157
AS3658
Data Sheet Confidential - Detail ed Descri ption-Power Management Functions
Table 48. Battery, supply voltage Bit definitions
Addr:12
Battery voltage monitor
These bits controls the battery/Supply voltage monitor (Reset levels)
Bit
Bit Name
Default Access
Description
2:0
ResVoltRise
ROM
(101b)
R/W
This value determines the reset level VRESRISE for rising
VBAT. It is recommended to set this value at least 200mV
higher than VRESFALL.
000b
VRESRISE=2.7V
001b
VRESRISE=2.8V
010b
VRESRISE=2.9V
011b
VRESRISE=3.0V
100b
VRESRISE=3.1V
101b
VRESRISE=3.2V
110b
VRESRISE=3.3V
111b
VRESRISE=3.4V
5:3
ResVoltFall
ROM
(011b)
R/W
This value determines the reset level VRESFALL for falling
VVBAT. It is recommended to set this value at least 200mV
lower than VRESRISE.
000b
VRESFALL=2.7V
001b
VRESFALL=2.8V
010b
VRESFALL=2.9V
011b
VRESFALL=3.0V
100b
VRESFALL=3.1V
101b
VRESFALL=3.2V
110b
VRESFALL=3.3V
111b
VRESFALL=3.4V
6
SupResEn
ROM
(0b)
R/W
0
A reset is generated if Vsupply falls below 2.7V.
(If VVBAT falls below VRESFALL only an interrupt is
generated (if enabled) and the Processor can shut
down the system)
1
A reset is generated if Vsupply falls below
VRESFALL
7
FastResEn
ROM
R/W
0
Vresetfall debounce time = 3msec
1
Vresetfall debounce time = 4µsec



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