E909-05 Datasheet, PDF (7/67 Pages) ELMOS Semiconductor AG – The HALIOS® multi purpose optical sensor is based on an optical bridge which provides a contactless detec-tion of gestures (e.g. movement of a finger).

HALIOS® MULTI-PURPOSE OPTICAL SENSOR WITH HIGH LIGHT IMMUNITY
E909.05
PRELIMINARY INFORMATION AUG 02, 2011
4.2 Reset Generation
No. Parameter
Condition
1 Power on reset level
2
Brown out high-to-low
threshold level
Reference is DVDD
Reference is DVDD
3 Brown out reset hysteresis
Minimum supply voltage for
4 power on reset and brown
out circuit 
5
NRST-pin low-to-high
threshold level
6
NRST-pin high-to-low
threshold level
7 Pull up current NRST-pin VNRST = VDDI
Min. pulse width for a valid
8 reset at pin NRST (denoun- DVDD > DVDD min
cing)
9
Delay Watchdog start 
reset 
Table 4.2.1 Reset Generation
 : Will not be tested in production test
Symbol
VPOR
VBOHL
VBOHYST
VDDmin
Min.
1.95
100
NRSTLH
NRSTHL
INRSTPU
TDEBNRST
0.25
200
TWDOG
Typ.
200
Max. Unit
2.25
V
V
300 mV
0.9
V
0.80
VDDI
VDDI
20
µA
-
ns
timer
value
1/FSYS
4.3 Internal Clock Generation
4.3.1 Reference Clocks
No. Parameter
1 Wakeup clock frequency
2 Master clock
Table 4.3.1.1 Reference Clocks
Condition
Within recom-
mended operating
conditions
Within recom-
mended operating
conditions
Symbol
FWK
FSYS
Min.
115.2
Typ. Max. Unit
128.0 140.8 kHz
7.2
8.0
8.8 MHz
This document contains information on a pre-production product. ELMOS Semiconductor AG reserves the right to change specifications and information herein without notice.
ELMOS Semiconductor AG
Data Sheet 7 / 67
QM-No.: 25DS0014E.00