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MTCH6301-I/ML Datasheet(PDF) 15 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) 15 Page - Microchip Technology

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 2012 Microchip Technology Inc.
DS41663A-page 15
MTCH6301 PROJECTED CAPACITIVE TOUCH CONTROLLER
FIGURE 5-7:
I2C™ COMMAND READ AND WRITE
5.7.6
TYPICAL I2C TOUCH PACKET READ
Figure 5-8 depicts a single touch packet being
streamed from the controller. In this case, touch ID 0 at
location (1940,2592).
FIGURE 5-8:
I2C™ TOUCH PACKET READ
5.7.7
WAKE ON I2C
The MTCH6301 is capable of waking up upon receiving
an I2C command from the host
. Note that since
wake-up time can take up to 350 µs, the controller must
resend any I2C bytes that were not acknowledged
(ACK) before continuing the transmission.
Since the controller will wake up upon a correct I2C
address match, it does not matter which command is
sent. For simplicity, the Enable Touch command is
recommended.
SDA
SCL
Start
Stop
INT
DATA
55
4A
03
16
00
01
SDA
SCL
Start
Stop
INT
DATA
05
4B
55
03
00
0C
16
SDA
SCL
Start
Stop
INT
DATA
05
4B
81
14
0F
14
20



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