E981.07 Datasheet, PDF (31/46 Pages) ELMOS Semiconductor AG – Two independent operating channels

Two Channel Sensor Interface PSI5
ADVANCE PRODUCT INFORMATION JUL 26, 2011
5.2.5.5 Error and Status Bits
E981.07
The conditions for setting and clearing of status bits in Sensor Data Request message are defined in the table
below.
Bit Description
OE Over-current
Error
ND No Data
CNC Conditions
Not Correct
HE Hardware
Error
ME Manchester
Error
Setting Condition
Satellite channel short to V+
condition
• no sensor data arrived since
enabling of the channel
• second attempt to read
sensor data from one logical
channel, although no new
sensor data has been
received intermediately
• Request for undefined
channel
• request for a channel not yet
turned on
• Satellite channel short to
GND condition
• Satellite average Iq too high
• Channel over-temperature
• REXT out of range
• CLK malfunction
• VSYNC too low
• VBUS too low
Improper manchester data:
• Invalid bit count
• Invalid bit timing
Clearing Condition
Channel Behaviour
• External reset
Channel is
• Internal reset
deactivated
• LINE_ENABLE command
with LEx=0 (OFF) for the
affected channel
Cleared after a new satellite None
data is received
• External reset
• Internal reset
• requesting an activated
channel
None
• External reset
Channel is
• Internal reset
deactivated
• LINE_ENABLE command
with LEx=0 (OFF) for the
affected channel
• External reset
• Internal reset
• Cleared when read
None
DE Data
Error
• Satellite Data Parity Error
• External reset
• Internal reset
• Cleared when read
None
The next tables summarises the error handling and the error priority.
ELMOS Semiconductor AG
Data Sheet 31 / 45
QM-No.: 25DS0050E.00
This document contains information on a new product. ELMOS Semiconductor AG reserves the right to change specifications and information herein without notice.