E909-05 Datasheet, PDF (17/67 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
5.4.2 Power-On-Reset
5.4.2.1 Timing Diagram
DVDD /
VDDI
NPOR
VDD
Vpor
VDDmin
Brown-Out is not detected
End of Power-On-Reset
t
Figure 5.4.2.1-1 Power-On-Reset timing diagram
5.4.2.2 Functional Description
The power on reset is designed to cause a reset during the power on cycle of the chip. The reset will be
deactivated when the supply crosses Vpor.
After the power up sequence the power on reset block will only cause a new reset if the power supply voltage
drops below VDDmin and the rise and fall times of the supply are below the specified values.
5.5 System Failsafe Features
failsafe feature
FLASH write detection
RAM byte parity
uninitialized RAM word / byte read detection
CPU register parity
CPU undefined opcode detection
CPU misaligned word access detection
opcode execution memory protection
stack overflow detection
invalid module register access detection
watchdog time out
watchdog window protection
brownout detection (supply voltage monitoring)
Table 5.5.1: Fail-safe Features
asserts interrupt
x
x
x
x
x
x
x
asserts reset
x
x
x
x
x
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 17 / 67
QM-No.: 25DS0014E.00