Cypress CapSense Express CY3280-MBR, Manual

Page: 25 / 32

CY3280-MBR CapSense Express with SmartSense Auto-Tuning Kit Guide, Doc. # 001-64772 Rev. ** 25
A. Appendix
A.1 Board Schematics
5 PIN HEADER
DNP
C 3
10 u Fd 1 6v
Expansion Connector
V D D _D ev
R1
4
56
0E
CS
2
CS
1
R1
5
560
E
D ELA Y AR S T
VD D _D ev
R 11 560 E TO G G LE
R 8
N O L OA D
S LE EP
XR ES
LED 1
LED 0
AR ST
LE
D
2
S L EE P_ C N T
D E L AY
LE D 0
LE D 2
R 1 2
5. 1K
1
2
V D D _E x t
U 3
C Y 8C MB R 204 4
S C AN R A TE / SLEE P
12
VS
S
7
A R ST
9
XR E S
11
G P O 0
2
TOG G LE/ FS S
3
GP
O3
14
G P O 1
1
CS
0
5
C S3
10
CS
1
6
CS
2
8
VD
D
13
GP
O2
16
CM
O
D
15
D E LA Y
4
Shield Sensor
B 2
C a pSe ns e But ton 1 0m m R o und
1
Shield Sensor
B 3
C a pSe ns e But ton 1 3m m R o und
1
R 2 4
ZE R O
1 2
Shield Sensor
B 0
C a pSe ns e But ton 1 3m m R o und
1
Shield Sensor
B 1
C a pSe ns e But ton 9 mm R ou nd
1 BTN 1
LE
D
3
BT
N
0
BTN 3
BTN 2
BTN 0
Demo CapSense Controller (CY8CMBR2044)
BT
N
1
CM
O
D
BT
N
2
V D D _S W
BTN 3
1206R
D 4
LE D R ed
2 1
L E D 0
L E D 1
1206R
D 5
LE D R ed
2 1
1206R
D 6
LE D R ed
2 1 L E D 2
1206R
D 7
LE D R ed
2 1
CapSense Buttons
SLE EP _C N T
L E D 3
R1
3
560
E
C 4
220 0 pFd
LEDs
J 2
C O N N H E AD E R 10 P OS . 10 0 R / A 15 AU
33
33
35
35
37
37
39
39
41
41
3 4
3 4
3 6
3 6
3 8
3 8
4 0
4 0
4 2
4 2
Delay, Sleep & Toggle control
D E L AY
PO T2 10k
1 3
2
SLEE P
R 20
1.5K 1%
1 2
VD D _D ev
J 5
5 H EA D ER
1
2
3
4
5
XR ES
R 19
5. 1 K 1%
1 2
SW 1
SP 4 T
3
1
2
5
6 4
VD D _D ev
SW 2
SP D T
2
1
3
SLE EP _C N T
TO G GL E
P O T1 10k
1 3
2
J 1
C O N N H EAD ER 1 0P O S . 1 00 R / A 15 AU
1 2
3 4
5 6
7 8
9 10
LED 1
LED 3
XR ES
CMOD
R 21 22 O h ms
R 22 ZE R O
1 2 C S1
C MO D 1
Place CMOD pad near U3.
C MO D
R 23 ZE R O
1 2
C S2
S LE EP
R 9
330 oh m
1 2
C 5
0.1 uFd
Delay POT
Sleep POT
R 16
330 oh m
1 2
TO G G LE
R 1 8
Z ER O
1 2
R 17
330 ohm
1 2
R 10
330 oh m
1 2