User Manual

lQ
15 QT60248-AS R4.02/0405
Figure 4-1 Suggested Communications Flow
0x0E
Setups CRC
Check
0x04
Force Reset
0x06
Report 1st Key
0x07
Report all
detections
Only 1 Key
in Detect
0xck
Cal Key 'k'
~10ms Delay
Key Detection(s) Processing
No key,
no error
m
mm
m
2 Keys
Detected
resolvable
error
0x0F
Get
'Last command'
(clear error)
Comms
Error
Setups CRC failed 2x
Setups CRC
failed 1x
0x05
Get
General Status
calibration fail, or
FMEA fail, or
multiple errors
CRC is OK
Power On or Hardware Reset
Stuck Key
Detected
(optional)
0x0C
Get
FMEA Status
0x0B
Get
Errors for All
Keys
Error Handling
Error Flag
(takes
precedence)
FMEA
Error
Calibration
Error
Done
Keys OK
Note: CRC errors or incorrect
responses should cause
each transmission to retry
Internal Host
Processes
Comms with
QT
0x0F
Get
'Last command'
0xF0
returned
0xF0 not
returned
0x01
Load Setups
Block