2.1 48-Pin Allocation and Pinout Description Table

Pin Name	Pin Number	Pin Type	Buffer Type	Description
DNC	1	—	—	Reserved. Do not connect
DNC	2	—	—	Reserved. Do not connect
DNC	3	—	—	Reserved. Do not connect
RX1	4	I	Analog	Analog GestIC® input channel 1: Receive electrode connection.
DNC	5	—	—	Reserved. Do not connect
DNC	6	—	—	Reserved. Do not connect
MCLR	7	I	ST	Master Clear (Reset) input. This pin is an active-low Reset to the device.
V_SS	8	P	—	Ground reference for logic and I/O pins. This pin must be connected at all times.
V_DD	9	P	—	Positive supply for peripheral logic and I/O pins.
IS1	10	I	ST	Reserved. Must be connected to V_SS.
IS2	11	I	ST	Reserved. Must be connected to V_SS.
RX2	12	I	Analog	Analog GestIC® input channel 2: Receive electrode connection.
DNC	13	—	—	Reserved. Do not connect
DNC	14	—	—	Reserved. Do not connect
AV_DD	15	P	—	Positive supply for analog modules. This pin must be connected at all times.
AV_SS	16	P	—	Ground reference for analog modules.
V_ANA	17	P	—	Positive supply for analog front end.
DNC	18	—	—	not connected
RX3	19	I	Analog	Analog GestIC® input channel 3: Receive electrode connection.
DNC	20	—	—	Reserved. Do not connect
DNC	21	—	—	Reserved. Do not connect
RX4	22	I	Analog	Analog GestIC® input channel 4: Receive electrode connection.
DNC	23	—	—	Reserved. Do not connect
TX	24	O	—	Touch Controller TX trigger signal.
DNC	25	—	—	Reserved. Do not connect
DNC	26	—	—	Reserved. Do not connect
DNC	27	—	—	Reserved. Do not connect
SYNC	28	O	—	Gesture device synchronization pulse (every 1 ms).
MSDA	29	I/O	ST	Reserved. Connect a 10 kΩ pull-up to V_DD.
MSCL	30	I/O	ST	Reserved. Connect a 10 kΩ pull-up to V_DD.
V_DD	31	P	—	Positive supply for peripheral logic and I/O pins.
MODE	32	I	ST	Gesture devices scan mode: High: 2D touch device measuring; Low: Gesture device measuring
MTS	33	O	—	Reserved. Connect a 10 kΩ pull-up to V_DD.
V_SS	34	P	—	Ground reference for analog modules.
SCL	35	I/O	ST	Synchronous serial Clock input/output for I²C.
SDA	36	I/O	ST	Synchronous serial Data input/output for I²C.
PGD	37	I/O	ST	Programming Data line, connect to test pin in application.
PGC	38	I/O	ST	Programming Clock line, connect to test pin in application.
DNC	39	—	—	Reserved. Do not connect
DNC	40	—	—	Reserved. Do not connect
RX0	41	I	Analog	Analog GestIC® input channel 0: Receive electrode connection.
DNC	42	—	—	Reserved. Do not connect
DNC	43	—	—	Reserved. Do not connect
V_CORECAP	44	P	—	Capacitor for Internal Voltage Regulator.
DNC	45	—	—	Reserved. Do not connect
DNC	46	—	—	Reserved. Do not connect
TS	47	O	ST	Transfer Status. MXG3141 message ready interrupt. Connect a 10 kΩ pull-up to V_DD.
DNC	48	—	—	Reserved. Do not connect
Legend: Analog = Analog input, P = Power, ST = Schmitt Trigger input with CMOS levels, I/O = Input/Output, — = N/A

DNC

1

—

Reserved. Do not connect

DNC

2

—

Reserved. Do not connect

DNC

3

—

Reserved. Do not connect

RX1

4

I

Analog

Analog GestIC® input channel 1: Receive electrode connection.

DNC

5

—

Reserved. Do not connect

DNC

6

—

Reserved. Do not connect

MCLR

7

I

ST

Master Clear (Reset) input. This pin is an active-low Reset to the device.

V_SS

8

P

—

Ground reference for logic and I/O pins. This pin must be connected at all times.

V_DD

9

P

—

Positive supply for peripheral logic and I/O pins.

IS1

10

I

ST

Reserved. Must be connected to V_SS.

IS2

11

I

ST

Reserved. Must be connected to V_SS.

RX2

12

I

Analog

Analog GestIC® input channel 2: Receive electrode connection.

DNC

13

—

Reserved. Do not connect

DNC

14

—

Reserved. Do not connect

AV_DD

15

P

—

Positive supply for analog modules. This pin must be connected at all times.

AV_SS

16

P

—

Ground reference for analog modules.

V_ANA

17

P

—

Positive supply for analog front end.

DNC

18

—

not connected

RX3

19

I

Analog

Analog GestIC® input channel 3: Receive electrode connection.

DNC

20

—

Reserved. Do not connect

DNC

21

—

Reserved. Do not connect

RX4

22

I

Analog

Analog GestIC® input channel 4: Receive electrode connection.

DNC

23

—

Reserved. Do not connect

TX

24

O

—

Touch Controller TX trigger signal.

DNC

25

—

Reserved. Do not connect

DNC

26

—

Reserved. Do not connect

DNC

27

—

Reserved. Do not connect

SYNC

28

O

—

Gesture device synchronization pulse (every 1 ms).

MSDA

29

I/O

ST

Reserved. Connect a 10 kΩ pull-up to V_DD.

MSCL

30

I/O

ST

Reserved. Connect a 10 kΩ pull-up to V_DD.

V_DD

31

P

—

Positive supply for peripheral logic and I/O pins.

MODE

32

I

ST

Gesture devices scan mode:
High: 2D touch device measuring;
Low: Gesture device measuring

MTS

33

O

—

Reserved. Connect a 10 kΩ pull-up to V_DD.

V_SS

34

P

—

Ground reference for analog modules.

SCL

35

I/O

ST

Synchronous serial Clock input/output for I²C.

SDA

36

I/O

ST

Synchronous serial Data input/output for I²C.

PGD

37

I/O

ST

Programming Data line, connect to test pin in application.

PGC

38

I/O

ST

Programming Clock line, connect to test pin in application.

DNC

39

—

Reserved. Do not connect

DNC

40

—

Reserved. Do not connect

RX0

41

I

Analog

Analog GestIC® input channel 0: Receive electrode connection.

DNC

42

—

Reserved. Do not connect

DNC

43

—

Reserved. Do not connect

V_CORECAP

44

P

—

Capacitor for Internal Voltage Regulator.

DNC

45

—

Reserved. Do not connect

DNC

46

—

Reserved. Do not connect

TS

47

O

ST

Transfer Status. MXG3141 message ready interrupt. Connect a 10 kΩ pull-up to V_DD.

DNC

48

—

Reserved. Do not connect

Legend:

Analog = Analog input,

P = Power,

ST = Schmitt Trigger input with CMOS levels,

I/O = Input/Output,

— = N/A