qt60325 Quantum Research Group, qt60325 Datasheet - Page 32

• Manufacturer Part Number: qt60325
• Description: 32, 48, 64 Key Qmatrix Keypanel Sensor Ics
• Manufacturer: Quantum Research Group

Setup Commands
Char
^M
^A
^B
^C
^D
^E
^F
^G
^H
^K
^L
^N
^O
^P
^J
^I
0x0C
0x0D
0x01
0x02
0x03
0x04
0x05
0x06
0x07
0x08
0x09
0x0A
0x0B
0x0E
0x0F
0x10
Hex
Negative hysteresis
Negative threshold
Neg drift comp rate
Pos drift comp rate
Positive hysteresis
Intra-burst spacing
Positive threshold
Key suppression
Neg det int limit
Pos recal delay
Neg recal delay
Pos error band
Neg error band
Burst spacing
Burst length
Dwell time
Name
set gain via number of QT cycles / burst; zero disables
0,1,2,3,5,7,10,15,20,32,45,60,90,123,175,255 counts
0,.1,.2,.3,.5,.7,1,1.5,2,3.2,4.5,6,9,12.3,17.5,25.5 secs
tolerable negative reference deviation with respect to
rate of drift compensation for negative signal swings
tolerable positive reference deviation with respect to
.1,.2,.3,.4,.6,.8,1,1.2,1.5,2,2.5,3.3,4.5,6,7.5,10 secs
rate of drift compensation for positive signal swings
.1,.2,.3,.4,.6,.8,1,1.2,1.5,2,2.5,3.3,4.5,6,7.5,10 secs
0,1,2,3,5,7,10,15,20,32,45,60,90,123,175,255 secs
4,5,6,7,8,10,12,15,17,20,25,30,35,45,55,64 counts
4,5,6,7,8,10,12,15,17,20,25,30,35,45,55,64 counts
counted in bursts of detection; zero disables a key.
Locked reference values, step 10%. Zero disables.
number of detections required to register a touch,
excursion in 0.1s increments; zero disables recal.
time req’d to trigger a recal from a detection, in 1s
Locked reference values, step 1%. Zero disables.
time req’d to trigger a recal from a positive signal
delay from the rise of an X line to end of Y-gate;
only setting is 0x01 (167ns/period @ 6MHz Xtal)
time from start of one burst to start of next burst
250us, 300us, 400us, 500us, 1000us, 2000us
sensitivity to positive signals for recalibration
0,1,2,3,4,5,7,10,12,15,20,25,30,40,50,64
adjacent key suppression feature; 1 = on
touch sensitivity threshold; less = more
period of QT pulses, in microseconds
hysteresis for negative threshold
hysteresis for positive threshold
increments. Zero disables recal.
2, 3, 4, 5, 6, 7, 8, 9, 10us
50%, 25%, 12.5%, 0%
50%, 25%, 12.5%, 0%
Description
burst
© Quantum Research Group Ltd.
P/G
P/G
P/G
P/G
P/G
P/G
P/G
P/G
P/G
P/G
P/G
P/G
P/G
P/G
P/G
P/G
P/G
Scope
1, 8, 64
1, 8, 64
1, 8, 64
1, 8, 64
1, 8, 64
1, 8, 64
1, 8, 64
1, 8, 64
1, 8, 64
64
64
64
64
64
64
64
Bytes/Put
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
Put Mode
0x04..0x40
0x04..0x40
0x00..0x03
0x00..0x03
0x00..0x40
0x00..0x05
0x01..0x64
0x01..0x64
0x00..0xFF
0x00..0xFF
0x00..0xFF
0x02..0x0A
0x00..0x64
0x00..0x63
0x00, 0x01
Operand
Range
0x01
Returns
0x0A
0x0B
0x0C
0x0D
0x0E
0x0F
0x01
0x02
0x03
0x04
0x05
0x06
0x07
0x08
0x09
0x10
Scope
64
64
64
64
64
1
1
1
1
1
1
1
1
1
1
1
returned
Get Mode
Bytes
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0x00..0xFF
0x00..0xFF
0x00..0xFF
0x02..0x0A
0x04..0x40
0x04..0x40
0x00..0x03
0x00..0x03
0x01..0x40
0x00..0x05
0x01..0x64
0x01..0x64
0x00..0x64
0x00..0x63
0x00, 0x01
Return
range
0x01
0x01 (25%)
0x01 (25%)
0x64 (10s)
0x1E (3s)
0x0A (1s)
0x0A (1s)
Default
setting
(300us)
0 (off)
0 (off)
0 (off)
0x0C
0x08
0x01
0x0C
0x01
0x03
0x02
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