Cypress CapSense CY3280-SmartSense, Kit Manual

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CY3280-SmartSense CapSense Auto-Tuning Kit Guide, Doc. # 001-64672 Rev. *B 25
A. Appendix
A.1 Schematics
A.1.1 CapSense Controller, Buttons, I/O Interfaces
Programming Header
C 3
10 u Fd 1 6v
Expansion Connector
V D D _D ev
R1
4
56
0E
SD
A
SC
L
R1
5
56
0E
P1 [ 5] P1[ 2]
VD D _D ev
R 11 560 E P1 [ 7]
R 8
N O L OA D
P 0[ 4 ]
XR ES
LED 1
LED 0
P1[ 2]
LE
D
2
C O N _P 0[4]
P 1 [5 ]
LE D 0
LE D 2
R 1 2
5. 1K
1
2
V D D _E x t
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 (CY8C20246A)
BT
N
1
CM
O
D
BT
N
2
VD 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
C O N _P0[ 4]
L E D 3
R1
3
56
0E
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
P 1 [ 5]
PO T2 10k
1 3
2
P0[ 4]
R 1 8
ZE R O
1 2
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
I2C_SDA
I2C_SCL
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
C O N _P0 [ 4]
P1[ 7 ]
P O T1 10k
1 3
2
Do Not Populate
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
DNP
R 22 ZE R O
1 2 SC L
R 21 2 2 Oh m s
C MO D 1
Place CMOD pad near U3.
C MO D
R 23 ZE R O
1 2
SD A
P 0[ 4]
R 9
330 ohm
1 2
C 5
0.1 uFd
R 16
330 ohm
1 2
P 1[7]
U 3
C Y 8C 20 24 6A Q F N 16
P0[ 4]
12
VS
S
7
P1[ 2]
9
XR E S
11
P2[ 3]
2
P1[ 7]
3
P0
[7
]
14
P2[ 5]
1
P1
[3
]
5
P1[ 4]
10
P1
[1
]
6
P1
[0
]
8
VD
D
13
P0
[1
]
16
P0
[3
]
15
P1[ 5]
4
R 17
330 ohm
1 2
R 10
330 ohm
1 2