MLX90333KGO MELEXIS [Melexis Microelectronic Systems], MLX90333KGO Datasheet - Page 29

• Manufacturer Part Number: MLX90333KGO
• Description: Triaxis 3D-Joystick Position Sensor
• Manufacturer: MELEXIS [Melexis Microelectronic Systems]

…MLX90333 Fault Mode
ADC Monitor (Analog to Digital
Converter)
Undervoltage Mode
Firmware Flow Error
Read/Write Access out of
physical memory
Write Access to protected area
(IO and RAM Words)
Unauthorized entry in
“SYSTEM” Mode
V
V
Broken V
Broken V
3901090333
Rev. Preliminary
DD
DD
> 7 V
> 9.4 V
SS
DD
Fault Mode
Set Outputs in Diagnostic low.
Normal Mode with immediate
recovery without CPU Reset
At Start-Up, wait Until V
During operation, CPU Reset after
3 ms debouncing
CPU Reset
CPU Reset
CPU Reset
CPU Reset
Set Output High Impedance
(Analog)
IC is switched off (internal supply)
CPU Reset on recovery
CPU Reset on recovery
CPU Reset on recovery
Action
DD
Page 29 of 38
> 3V.
Triaxis 3D-Joystick Position Sensor
Immediate Diagnostic low
- V
Outputs high impedance
- POR level < V
Outputs in Diagnostic low.
Immediate Diagnostic low
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
DD
Effect on Outputs
< POR level =>
(21)
DD
< 3 V =>
MLX90333
ADC Inputs are Shorted
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 kΩ to
meet Diag Low spec: < 4%
V
No valid diagnostic for
V
Pull up load (≤ 10kΩ) to
V
Hi spec > 96% Vdd.
DD
PULLUP
PULLUP
= V
> 8 V to meet Diag
Data Sheet
Remark
DD
May 07
.