Datasheet
CY8CMBR3002, CY8CMBR3102
CY8CMBR3106S, CY8CMBR3108
CY8CMBR3110, CY8CMBR3116 Datasheet
Document Number: 001-85330 Rev. *G Page 7 of 37
CY8CMBR3106S (16 Sensing Inputs; Sliders Supported)
Table 2. Pin Diagram and Definitions - CY8CMBR3106S
24-QFN
Pin Diagram
Pin # Pin Name Type Description If unused
Default
Configuration
1 CS0/PS0 – CapSense button / proximity
sensor
Ground/Ground CS0
2 CS1/PS1 – CapSense button / proximity
sensor
Ground/Ground CS1
3 CS2 – CapSense button Ground CS2
4 CS3 – CapSense button Ground CS3
5 CMOD – External modulator capacitor.
Connect 2.2 nF/ 5 V/X7R or
NPO capacitor
NA CMOD
6
VCC Power Internal regulator output.
Connect a 0.1-µF decoupling
capacitor if VDD > 1.8 V. If VDD
is 1.71 V to 1.89 V, short this pin
to VDD.
NA VCC
7
VDD Power Power NA VDD
8 VSS Power Ground NA VSS
9 SLD10 – Slider1, segment0 Ground SLD10
10 SLD11 – Slider1, segment1 Ground SLD11
11 SLD12 – Slider1, segment2 Ground SLD12
12 SLD13 – Slider1, segment3 Ground SLD13
13 SLD14 – Slider1, segment4 Ground SLD14
14 CS11/SLD20 – CapSense button / Slider2,
segment0
Ground/Ground SLD20
15 CS12/SLD21 – CapSense button / Slider2,
segment1
Ground/Ground SLD21
16 CS13/SLD22 – CapSense button / Slider2,
segment2
Ground/Ground SLD22
17 CS14/SLD23 – CapSense button / Slider2,
segment3
Ground/Ground SLD23
18 CS15/SLD24 – CapSense button / Slider2,
segment4
Leave open/Leave open SLD24
19 CS5/SH/HI – CapSense button / shield
electrode/host interrupt.
(SPO1 in the register map)
Ground/Leave open/Leave
open
CS5
20 CS4 – CapSense Button Ground CS4
21
I2C SDA DIO I2C Data Leave open I2C SDA
22
I2C SCL DIO I2C Clock Leave open I2C SCL
23 HI/BUZ O Host interrupt / buzzer output.
This pin acts as SPO0 for this
device (SPO0 in register map).
Leave open/Leave open HI
24 XRES XRES External reset Leave open XRES
25 Center Pad
[2]
E-pad Connect to VSS for best
mechanical, thermal and
electrical performance
Floating, not connected to
any other signal
E-pad
Legend: I = Analog Input, O = Analog Output, DIO = Digital Input/Output, CS = CapSense Button,
PS = Proximity Sensor, SH = Shield Electrode, BUZ = Buzzer Output, SPO = Special Purpose Output.
Note
2. The center pad on the QFN package should be connected to ground (VSS) for best mechanical, thermal, and electrical performance. If it is not connected to ground,
it should be left floating without being connected to any other signal.
QFN
(Top View)
CS0/PS0
CS3
CMOD
VCC
1
2
3
4
5
6
18
17
16
15
14
13
CS14/SLD23
CS13/SLD22
24
23
22
21
20
19
HI/BUZ
I2C SCL
I2C SDA
CS4
CS15/SLD24
7
8
9
10
11
12
VDD
SLD11
SLD12
CS2
VSS
SLD14
SLD13
CS11/SLD20
CS12/SLD21
CS5/SH/HI
XRES
SLD10
CS1/PS1