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MTCH6301T-I/ML Datasheet(PDF) 21 Page - Microchip Technology

Part # MTCH6301T-I/ML
Description  MTCH6301 Projected Capacitive Touch Controller
PDF  40 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MTCH6301T-I/ML Datasheet(HTML) 21 Page - Microchip Technology

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7.0
MEMORY MAP
TABLE 7-1:
MTCH6301 MEMORY MAP
Group
Index
Byte
Offset
Byte
Register Name
Size
(Bytes)
Description
Data Range
Default Value
General
0x00
0x01
RX Channels
1
Number of RX Sensor Channels
3-13
12
0x02
TX Channels
1
Number of TX Sensor Channels
3-18
9
0x04
RX Scaling <7:0>
2
RX Scaling Coefficient
3640-21845
5461
0x05
RX Scaling <15:8>
0x06
TX Scaling <7:0>
2
TX Scaling Coefficient
3640-21845
7281
0x07
TX Scaling <15:8>
Sensor Map
0x01
0x00-0x0C RX Pin Map
13
RX Pin Map Array
0-12
Section 5.6.1
“RX/TX Pin
Map”
0x02
0x00-0x12 TX Pin Map
18
TX Pin Map Array
0-34
Section 5.6.1
“RX/TX Pin
Map”
Self
0x10
0x00
Self Scan Time
1
Number of self readings to sum per electrode
1-30
5
0x01
Self Threshold
1
Threshold at which a touch may be present
10-150
40
Mutual
0x20
0x00
Mutual Scan Time
1
Number of mutual readings to sum per node
1-30
9
0x01
Mutual Threshold
1
Threshold at which a touch may be present
10-150
40
Decoding
0x30
0x00
Flip State
1
This determines the orientation of the sensor with respect to the
coordinate output
0b000-0b111
0b001
0x01
Number of Averages
1
Number of previous touch coordinates to average with current position
coordinate (smoothing filter)
1-16
8
0x04
Minimum Touch Distance
1
Minimum distance (interpolated coordinates) allowed between two touch
locations before suppressing the weaker touch.
0-255
150
0x05
Pen Down Timer
1
Number of successive sensor scans identifying a touch required prior to
transmitting touch data
0-10
3
0x06
Pen Up Timer
1
Number of successive sensor scans without detecting a touch prior to a
touch up packet being sent
0-10
3
0x07
Touch Suppression Value
1
The maximum number of touch points to transmit. Note that ten touch IDs
are still analyzed and tracked, just not reported; 0 = Disabled
0-10
0



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