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MTCH6301-I/ML Datasheet(PDF) 13 Page - Microchip Technology

No. de pieza MTCH6301-I/ML
Descripción Electrónicos  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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Fabricante Electrónico  MICROCHIP [Microchip Technology]
Página de inicio  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MTCH6301-I/ML Datasheet(HTML) 13 Page - Microchip Technology

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 2012 Microchip Technology Inc.
DS41663A-page 13
MTCH6301 PROJECTED CAPACITIVE TOUCH CONTROLLER
FIGURE 5-3:
WRITE REGISTER COMMAND
FIGURE 5-4:
READ REGISTER COMMAND
5.6.2
MANUFACTURING TEST
The manufacturing test ensures electrical functionality
of the sensor. This test performs the following checks
on all mapped sensor pins: short to VDD, Short to GND,
and pin-to-pin short.
If an I/O error is reported, bits for the pins in question
will be set in the “TX Short Status” and “RX Short Sta-
tus” registers.
Please note that:
1.
The RX7/RX8 pins will always report an error.
2.
If the sensor has more than 16 TX channels,
then channels 17 and 18 will never report an
error.
FIGURE 5-5:
MANUFACTURING TEST
0x55
0x04
0x15
[D0]
[D1]
[D2]
0x55
0x02 0x00
0x15
Master Command
Controller Response
D0 = Index Location
D1 = Offset Location
D2 = Value to Write to Specified Register
0x55
0x03
0x16
[D0]
[D1]
0x55
0x03
0x00 0x16
[D2]
Master Command
Controller Response
D0 = Index Location
D1 = Offset Location
D2 = Read Value at Specified Register
0x55
0x01
0x1A 0x55
0x03
0x00
0x1A
[D0]
Master Command
Controller Response
D0 = Result; 0 = success, 1 = I/O error



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