
Revision 1.1
11 - 32
AS8530
Datasheet - Electrical Character i s t ics
6.6 VCC Undervoltage Reset and Window Watchdog
The values in this table are valid for normal and standby modes. All parameters are tested, unless mentioned otherwise.
Symbol
Parameter
Conditions
Min
Typ
Max
Units
Vuvr_off
VCC under-voltage threshold off
(Default)
Rising edge of VCC
2.55
2.95
V
Vuvr_on
VCC under voltage threshold on
(Default)
Falling edge of VCC
2.3
2.7
V
Vuvr1_off
VCC under voltage threshold off
(Factory Option)
Rising edge of VCC
1
1. These are factory options which could be made available on specific request.
3.0
3.4
V
Vuvr1_on
VCC under voltage threshold on
(Factory Option)
Falling edge of VCC
2.75
3.15
V
Vuvr2_off
VCC under voltage threshold off
(Factory Option)
Rising edge of VCC
3.5
3.9
V
Vuvr2_on
VCC under voltage threshold on
(Factory Option)
Falling edge of VCC
3.25
3.65
V
Vuvr3_off
VCC under-voltage threshold off
(Factory Option)
Rising edge of VCC
4.0
4.4
V
Vuvr3_on
VCC under voltage threshold on
(Factory Option)
Falling edge of VCC
3.75
4.15
V
Vhyst_vcc
Hysteresis of under-voltage threshold
on/off VCC
Default and all other factory options
0.1
0.25
0.4
V
trr
Spike filter on VCC
To remove disturbance
4
s
Vsuvr_off
VSUP under-voltage threshold off
3.85
V
Vsuvr_on
VSUP under-voltage threshold on
BOR level (considered to be the Master
Reset for AS8530)
3.25
V
WD_TCL
WWD non-service time
(if factory enabled)
RESET will be generated
2. -40%, -20%, +20%, +60%, and +100% timings are available as factory options.
0-75
0 -100
0-125
ms
WD_TSV
WWD Service – time
(if factory enabled)
RESET will not be generated
75-150 100-200 125-250
ms
tRes
Reset delay time
4ms, 16ms, 32ms (typ) are factory options
(min = -25% and max = +50% of typical)
68
12
ms
Tshd
Temporary shutdown reset active time
0.1
1
s