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MTCH6301-I/ML Datasheet(PDF) 9 Page - Microchip Technology

Part # MTCH6301-I/ML
Description  The MTCH6301 is a turnkey projected capacitive con-troller that allows easy integration of multi-touch and gestures to create a rich user interface in your design.
PDF  32 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MTCH6301-I/ML Datasheet(HTML) 9 Page - Microchip Technology

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 2012 Microchip Technology Inc.
DS41663A-page 9
MTCH6301 PROJECTED CAPACITIVE TOUCH CONTROLLER
4.4
Example Custom Application
Layout
An example 4-channel RX/11-channel TX sensor is
shown in Figure 4-3. In addition to using a completely
modified pin layout, this example differs from the
default configuration by also having the TX axis along
the bottom (X) and RX axis along the side (Y). Note that
some RX pins are used as TX lines in this example.
FIGURE 4-3:
NON-STANDARD LAYOUT EXAMPLE
Using the scaling coefficient table generates the values
displayed in Table 4-3.
The FLIPSTATE register, using Figure 4-2, should be
set to 0b111, or 0x7, for this particular example.
Sensor Line
MTCH63001
Pin
Map ID
TX
0TX11
16
1TX17
31
2TX16
32
3TX15
33
4TX14
34
5RX12
21
6RX11
22
7TX13
8
8TX12
5
9RX10
23
10
RX9
24
RX
0RX5
10
1RX6
9
2RX7
1
3RX8
0
MTCH6301
TX3
TX2
TX1
TX0
VSS
VDD
RX0
RX1
RX2
RX3
RX4
TX15
TX16
TX17
SDA
TX14
VSS
VCAP
INT
N/C
RX12
RX11
TX0
TX10
SENSOR
The Pin Map arrays for this particular setup are as
follows (arrays are shown as organized in memory):
RXPinMap: {10,9,1,0}
TXPinMap: {16,31,32,33,34,21,22,8,5,23,24}
TABLE 4-3:
CUSTOM APPLICATION
SCALING COEFFICIENTS
Axis
Channels
Scaling
Coefficient
Maximum
Output
RX
4
65535
[0-3071]
TX
11
26214
[0-4095]



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