MLX90316_05 Datasheet, PDF (20/34 Pages) List of Unclassifed Manufacturers – Rotary Position Sensor IC

MLX90316
Rotary Position Sensor IC
…MLX90316 Fault Mode
Fault Mode
Undervoltage Mode
Firmware Flow Error
Action
At Start-Up, wait Until Vdd > 3V.
During operation, CPU Reset after
3 ms debouncing
CPU Reset
Effect on Outputs
- Vdd < POR level =>
Outputs high impedance
- POR level < Vdd < 3 V =>
Outputs in Diagnostic low.
Immediate Diagnostic low
Read/Write Access out of
physical memory
Write Access to protected area
(IO and RAM Words)
Unauthorized entry in
“SYSTEM” Mode
Vdd > 7 V
Vdd > 9.4 V
Broken Vss
Broken Vdd
CPU Reset
CPU Reset
CPU Reset
Set Output High Impedant (Analog)
IC is switched off (internal supply)
CPU Reset on recovery
CPU Reset on recovery
CPU Reset on recovery
Immediate Diagnostic low
Immediate Diagnostic low
Immediate Diagnostic low
Pull down resistive load =>
Diag. Low
Pull up resistive load =>
Diag. High#^'+&
Pull down resistive load =>
Diag. Low
Pull up resistive load =>
Diag. High
Pull down resistive load =>
Diag. Low
Pull up resistive load =>
Diag. High
Pull down resistive load =>
Diag. Low
Pull up resistive load =>
Diag. High
Remark
Intelligent Watchdog
(Observer)
100% Hardware detection.
100% Hardware detection.
100% Hardware detection.
100% Hardware detection.
100% Hardware detection.
100% Hardware detection.
Pull down load < 10 k to
meet Diag Lo spec < 2%
Vdd
100% Hardware detection.
Pull up load to Vpullup> 8 V
to meet Diag Hi spec > 96%
Vdd
#^'*& CPU Reset means:
1. Core Reset (same as Power-On-Reset). It induces a typical start up time.
2. Periphery Reset (same as Power-On-Reset)
3. Fault Flag/Status Lost
#^'+& Refer to Section 7 for the Diagnostic Output Level specifications
3901090316
Rev. 001
Page 20 of 34
Data Sheet
4 October 05