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SX8661Z Datasheet(PDF) 45 Page - Semtech Corporation

Part # SX8661Z
Description  Low Power, Capacitive Button Touch and Proximity Controller with LED Drivers and Analog Output
PDF  87 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SX8661Z Datasheet(HTML) 45 Page - Semtech Corporation

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ADVANCED COMMUNICATIONS & SENSING
DATASHEET
Revision v4.0, February 2016
© 2012 Semtech Corp.
www.semtech.com
45
SX8661Z
Low Power, Capacitive Button Touch and Proximity Controller
(8 sensors) with LED Drivers and Analog Output
5.3
Capacitive Sensors Parameters
Capacitive Sensors Parameters
Address
Name
Bits Description
0x09
CapModeMisc
7:3
Reserved (0x00)
2:0
IndividualSensitivity Defines common sensitivity for all sensors or individual sensor
sensitivity.
000: Common sensitivity settings (CapSensitivity0_1[7:4])
100: Individual sensitivity settings (CapSensitivityx_x)
Else : Reserved
0x0A
Reserved
7:0
Reserved (0x00)
0x0B
CapMode7_4
7:6
CAP7 Mode
Defines the mode of the CAP pin.
00: Disabled
01: Button
10: Reserved
11: Proximity (CAP0),
Reserved (CAP6,..CAP1)
5:4
CAP6 Mode
3:2
CAP5 Mode
1:0
CAP4 Mode
0x0C
CapMode3_0
7:6
CAP3 Mode
5:4
CAP2 Mode
3:2
CAP1 Mode
1:0
CAP0 Mode
0x0D
CapSensitivity0_1
7:4
CAP0 Sensitivity - Common Sensitivity
Defines the sensitivity.
0x0: Minimum
0x1: 1
…
0x7: Maximum
0x8..0xF: Reserved
3:0
CAP1 Sensitivity
0x0E
CapSensitivity2_3
7:4
CAP2 Sensitivity
3:0
CAP3 Sensitivity
0x0F
CapSensitivity4_5
7:4
CAP4 Sensitivity
3:0
CAP5 Sensitivity
0x10
CapSensitivity6_7
7:4
CAP6 Sensitivity
3:0
CAP7 Sensitivity
0x11
Reserved
7:0
Reserved (0x00)
0x12
Reserved
7:0
Reserved (0x00)
0x13
CapThresh0
7:0
CAP0 Touch Threshold
Defines the Touch Threshold ticks.
0x00: 0,
0x01: 4,
…
0xA0: 640
…
0xFF: 1020
0x14
CapThresh1
7:0
CAP1 Touch Threshold
0x15
CapThresh2
7:0
CAP2 Touch Threshold
0x16
CapThresh3
7:0
CAP3 Touch Threshold
0x17
CapThresh4
7:0
CAP4 Touch Threshold
0x18
CapThresh5
7:0
CAP5 Touch Threshold
0x19
CapThresh6
7:0
CAP6 Touch Threshold
0x1A
CapThresh7
7:0
CAP7 Touch Threshold
0x1B
CapPerComp
7:4
Reserved (0x00)
3:0
Periodic Offset Compensation
Defines the periodic offset compensation.
0x0: OFF
0x1: 1 second
0x2: 2 seconds
…



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