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IQS231A Datasheet(PDF) 7 Page - List of Unclassifed Manufacturers

Part # IQS231A
Description  Integrated SAR user interface offering a simple GPIO output
PDF  36 Pages
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Manufacturer  ETC2 [List of Unclassifed Manufacturers]
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IQS231A Datasheet(HTML) 7 Page - List of Unclassifed Manufacturers

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ProxSense
® Series
Copyright © Azoteq 2016
IQS231A Datasheet v1.3
Page 7 of 36
All Rights Reserved
Check for latest datasheet
December 2016
3 Summary: One-Time-Programmable (OTP) options
OTP bank 0
IQS231A 000000xx TSR
Bit7
6
5
4
3
2
1
Bit 0
Movement time-out
Reserved
Movement
threshold
Quick release threshold
Quick release beta
Prox no mov UI
00 - 2s
01 - 5s
10 - 10s
11 - Disabled (0s)
Prox&Mov UIs
00 - 10s
01 - 30s
10 - 60s
11 - 10min
n/a
0
– 4 counts
1
– 6 counts
00
– moderate
100 counts
01
– strict
150
10
– relaxed
50
11 - very strict
250
00
– 2 (fast following)
01 - 3
10 - 4
11
– 5 (slow following)
OTP Bank 1
IQS231A 0000xx00 TSR
Bit7
6
5
4
3
2
1
Bit 0
I2C address
Proximity Threshold
(low/high)
AC Filter
Touch threshold
00
– standalone
01
– 44H
10
– 46H
11
– 47H
Sensitivity input low / Sync input
active / Mov output / Touch output
00
– 4 counts
01
– 6
10
– 8
11
– 10
Sensitivity
input
high
(internal
20kΩ pull-up)
00
– 8 counts
01
– 10
10
– 12
11
– 14
00 - 1
01 - 2
10 - 3
11 - 0
00
– 32 counts
01
– 64
10
– 256
11
– 320
OTP Bank 2
IQS231A 00xx0000 TSR
Bit7
6
5
4
3
2
1
Bit 0
Increase
debounce
Target
Base value
Failsafe
Quick
release
User interface
0
– 6in, 4out
1
– 12in, 8out
0 = 1200 /
1096
(movement)
1 = 768
00
– 100 counts
01
– 75
10
– 150
11
– 200
0
– Disabled
1
– Enabled
0
– Enabled
1
– Disabled
00 - Prox / No movement
01 - Prox with movement
10 - Prox with movement /
Touch with no movement
11 - Same as '10', touch
output forced on IO2
OTP Bank 3
IQS231A xx000000 TSR
Bit7
6
5
4
3
2
1
Bit 0
Charge transfer
frequency
Temperature
compensation
IO2 function
ATI events
on IO1
Sample rate
00
– 500kHz
01
– 125 kHz
10
– 64 kHz
11
– 16.5kHz
0
– Disabled
1
– Enabled
00 - Sensitivity input (proximity
threshold adjust)
01 - Sync input
10 - Movement output
11 - Ignore input, no output
0
– Enabled
1
– Disabled
Sample-to-sample time
(Response time) Includes 6
sample debounce burst of
24ms
00
– 30 Hz
(57ms)
01
– 100 Hz
(34ms)
10
– 8 Hz
(154ms)
11
– 4 Hz
(280ms)



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