2 48-Pin Allocation and Pinout Description Table

Pin NamePin NumberPin TypeBuffer TypeDescription
GP51O—Reserved. Do not connect.
SYNC2O—Gesture device synchronization pulse (every 1 ms)
DNC3——Reserved. Do not connect.
RX14IAnalogAnalog GestIC® input channel 1:

Receive electrode connection.

DNC5——Reserved. Do not connect.
DNC6——Reserved. Do not connect.
MCLR7I—Master Clear (Reset) input.

This pin is an active-low Reset to the device.

VSS8P—Ground reference for logic and I/O pins.

This pin must be connected at all times.

VDD9P—Positive supply for peripheral logic and I/O pins
IS110ISTReserved. Must be connected to VSS.
IS211ISTReserved. Must be connected to VSS.
RX212IAnalogAnalog GestIC input channel 2:

Receive electrode connection.

DNC13——Reserved. Do not connect.
DNC14——Reserved. Do not connect.
AVDD15P—Positive supply for analog modules.

This pin must be connected at all times.

VSS16P—Ground reference for analog modules
VANA17P—Positive supply for analog front end
DNC18——Not connected
RX319IAnalogAnalog GestIC input channel 3:

Receive electrode connection.

DNC20——Reserved. Do not connect.
DNC21——Reserved. Do not connect.
RX422IAnalogAnalog GestIC input channel 4:

Receive electrode connection.

DNC23——Reserved. Do not connect.
TX024O—GestIC Transmit electrode connection 0
TX125O—GestIC Transmit electrode connection 1
TX226O—GestIC Transmit electrode connection 2
TX327O—GestIC Transmit electrode connection 3
TX428O—GestIC Transmit electrode connection 4
SDA29I/OSTSynchronous serial data input/output for I2C
SCL30I/OSTSynchronous serial clock input/output for I2C
VDD31P—Positive supply for peripheral logic and I/O pins
MODE32IST

Gesture Devices Scan mode:
High: 2D touch device measuring;
Low: gesture device measuring.

TS33O—Transfer Status. GestIC message ready interrupt.
VSS34P—Ground reference for analog modules.

This pin must be connected at all times.

DNC35——Reserved. Do not connect.
DNC36——Reserved. Do not connect.
PGD37I/OSTProgramming Data line, connect to test pin in application
PGC38I/OSTProgramming Clock line, connect to test pin in application
DNC39——Reserved. Do not connect.
DNC40——Reserved. Do not connect.
RX041IAnalogAnalog GestIC input channel 0:

Receive electrode connection.

DNC42——Reserved. Do not connect.
DNC43——Reserved. Do not connect.
VCORECAP44P—Capacitor for Internal Voltage Regulator
GP145O—Reserved. Do not connect.
GP246O—Reserved. Do not connect.
GP347O—Reserved. Do not connect.
GP448O—Reserved. Do not connect.
Legend:

Analog = Analog input

P = Power

ST = Schmitt Trigger input with CMOS levels

I = Input

O = Output

I/O = Input/Output

— = N/A

Important: Exposed pad must be connected to VSS.