AR1100 Datasheet, PDF (9/58 Pages) Microchip Technology – AR1100 Resistive USB and RS-232 Touch Screen Controller

AR1100 RESISTIVE USB AND RS-232 TOUCH SCREEN CONTROLLER
3.0 HARDWARE
3.1 Pin Assignments
TABLE 3-1: PIN ASSIGNMENTS
Pin
SSOP, SOIC
QFN
1
18
2
19
3
20
4
1
5
2
6
3
7
4
8
5
9
6
10
7
11
8
12
9
13
10
14
11
15
12
16
13
17
14
18
15
19
16
20
17
Function
VDD
OSC1
OSC2
MODE
LED
(Y+)
X+
SY-
SX+
UART-TX
WAKE
UART-RX
SX-
X-
Y+(SY+)
Y-
VUSB
USB-D-
USB-D+
VSS
Description/Comments
Power
Oscillator
Oscillator
GND: 5-Wire
Open: 4-/8-Wire
Led control
Sensor connection
4W: n/a
5W: n/a
8W: Y+
Sensor connection
Sensor connection
Sensor connection
UART Transmit Data
Wake pin
UART Receive Data
Sensor connection
4W: n/a
5W: WSX-
8W: SX-
Sensor connection
Sensor connection
4W: Y+
5W: Y+
8W: SY+
Sensor connection
USB Internal Voltage Reference
USB data I/O
USB data I/O
GND
 2011 Microchip Technology Inc.
DS41606B-page 9