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MXT224 Datasheet(PDF) 5 Page - ATMEL Corporation

Part # MXT224
Description  maXTouch 224-channel Touchscreen Sensor IC
PDF  12 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

MXT224 Datasheet(HTML) 5 Page - ATMEL Corporation

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5
9530BS–AT42–10/09
mXT224
1.2.2
48-pin QFN
Table 1-2.
Pin Listing
Pin
Name
Type
Comments
If Unused, Connect To...
1
Y13
I/O
Y line connection or X line in extended mode
Leave open
2
GND
P
Ground
–
3
AVDD
P
Analog power
–
4
X8
O
X matrix drive line
Leave open
5
X9
O
X matrix drive line
Leave open
6
X10
O
X matrix drive line
Leave open
7
X11
O
X matrix drive line
Leave open
8
X12
O
X matrix drive line
Leave open
9
X13
O
X matrix drive line
Leave open
10
X14
O
X matrix drive line
Leave open
11
X15
O
X matrix drive line
Leave open
12
GND
P
Ground
–
13
VDD
P
Digital power
–
14
RESET
I
Reset low; has internal 30 k
 to 60 k pull-up resistor
Leave open or Vdd
15
N/C
–
No connection
Leave open
16
SDA
OD
Serial Interface Data
–
17
SCL
OD
Serial Interface Clock
–
18
GPIO0/
SYNC
I/O
General purpose I/O
External synchronization
Input: GND
Output: leave open
19
GPIO1
I/O
General purpose I/O
Input: GND
Output: leave open
20
VDD
P
Digital power
–
21
GPIO2/
SCK
I/O
General purpose I/O /
Debug clock
Input: GND
Output: leave open
22
GPIO3/
MOSI
I/O
General purpose I/O /
Debug data
Input: GND
Output: leave open
23
ADDR_SEL
I
I2C-compatible address select
–
24
CHG
OD
State change interrupt
–
25
GND
P
Ground
–
26
X0
O
X matrix drive line
Leave open
27
X1
O
X matrix drive line
Leave open
28
X2
O
X matrix drive line
Leave open
29
X3
O
X matrix drive line
Leave open
30
X4
O
X matrix drive line
Leave open
31
X5
O
X matrix drive line
Leave open
32
X6
O
X matrix drive line
Leave open



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