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IQS227AS датащи(PDF) 9 Page - List of Unclassifed Manufacturers

номер детали IQS227AS
подробное описание детали  Single Channel Capacitive Proximity/Touch Controller
PDF  31 Pages
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производитель  ETC2 [List of Unclassifed Manufacturers]
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IQS227AS датащи(HTML) 9 Page - List of Unclassifed Manufacturers

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IQ Switch
®
ProxSense
® Series
Copyright © Azoteq (Pty) Ltd 2015
IQS227AS Datasheet
Page 9 of 31
All rights reserved
Revision 1.05
October 2015
Table 4.3
User Selectable Configuration Options: Bank 1
– Partial ATI1
tHALT1
tHALT0
MULTSENSE1
MULTSENSE0
MULTCOMP3
MULTCOMP2
MULTCOMP1
MULTCOMP0
bit 7
bit 0
Bank1:7-6
tHALT: Halt times
Section 6.13
00 = 20 seconds
01 = 40 seconds
10 = Never
11 = Always (Prox on 40s)
Bank1: bit 5-4
MULT: Multiplier for Sensitivity
Section 6.8
00 = 1
01 = 2
10 = 3
11 = 4
Bank1: bit 3-0
MULT: Multiplier for Compensation
Section 6.8
0000 = 0
1111 = 15
Table 4.4
User Selectable Configuration Options: Bank 2 (0xC6H)
STREAM
TRANS
COMMS
ND
Target
ATI
LP1
LP0
bit 7
bit 0
Bank2: bit 7
STREAM: Streaming Method
Section 7.2
0 = 1-wire
1 = 2-wire (I
2C)
Bank2: bit 6
TRANS: Charge Transfer Frequency
Section 6.9
0 = 512kHz
1 = 250kHz
Bank2: bit 5
COMMS: Streaming
Section 7
0 = Disabled
1 = Enabled
Bank2: bit 4
ND: Noise Detect
Section 6.11
0 = Disabled
1 = Enabled (1-wire comms only)
Bank2: bit 3
Target: ATI target counts
Section 6.10
0 = 1024
1 = 512
Bank2: bit 2
ATI: ATI selection
Section 6.12
0 = Full
1 = Partial
Bank2: bit 1-0
LP: Low Power Modes
Section 6.6
00 = BP (9ms)
01 = NP (128ms)
10 = LP1 (256ms)
11 = LP2 (512ms)
1 Requires OTP bit 2 in Bank 2 to be set.



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