CapSense Express Evaluation Board - CAPEXP1

5
4
3
2
1
D
D
C
C
CapSense Express Evaluation Board CAPEXP1
Rev 2.1
B
B
CYPRESS SEMICONDUCTOR © 2007
A
A
Title
CapSense Express_EVK_Buttons
Size
A
Date:
5
4
3
Document Number
<Doc>
Tuesday, March 04, 2008
2
Rev
2.1
Sheet
1
of
1
6
5
4
3
2
1
VCC_3V3
L1
J1
D
VCC_0.9V_1.5V
1
2
3
4
1
2
D
2.2 uH, 4018
R2
Battery Clip AAA
100K 1%
1
2
8
PS
FB
PAD
PGND
VAUX
10
C3
10 uFd 16v
1
1206
C2
C
0603
0.1 uFd
R8
TPS61200DRCT
0603
100K 1%
0603
C4
10 uFd 16v
1206
2
UVLO
160 1%
0603
560K 1%
0603
VOUT
2
0603
R7
R5
11
0603
J2
EN
7
GND
R6
249K 1%
L
3
VIN
6
4
1206
C
R1
5
9
NO LOAD
0603
0603
C1
10 uFd 16v
0603
U1
R4
R3
549K 1%
D1
LED RED
100K 1%
1
HEADER 2 SMD
Boost Regulator, 0.9V to 1.5V Input, 3.3V, 200mA Output
B
B
CYPRESS SEMICONDUCTOR © 2007
A
A
Title
Boost Regulator Circuit
Size
A
Date:
5
4
3
Document Number
<Doc>
Tuesday, March 04, 2008
2
Rev
2.1
Sheet
2
of
6
1
HCL Confidential
5
4
3
CSInt
2
1
VCC_3V3
VCC_3V3
D2
Keypad_BKLight_1
0603
C10
0603
C11 C12 C13
C14
C15
C16
1
0603
0.1 uFd 0.1 uFd 0.1 uFd0.1 uFd0.01 uF0.01 uF0.01 uF0.01 uF0.01 uF
2
Keypad_BKLight_2
LED GREEN RMNT
68
D3
R36
1
1206R
D
C9
0603
C8
No Load 0603
0603
1206R
C7
0603
R35
D
2
0603
Optional
Capacitor to
improve SNR
Keypad_BKLight_3
LED GREEN RMNT
68
D4
R32
1
1206R
Mech_Button
Decap for CapSense
Express
2
0603
Keypad Backlight LEDs, Green
13
LED_1
1
Keypad_BKLight_2
2
GP0[1]
3
I2C SCL
I2C SDA
GP1[3]
9
B
GP0[2]
12 Cap_Button_1
XRES
11 XRES_PSOC
GP1[4]
10 Cap_Button_3
Cap_Button_2
Mech_Button
VCC_3V3
XRES_PSOC
Cap_Button_3
D6
R9
LED GREEN RMNT
68
D7
R10
LED_1
Cap_Button_2
GP1[2]
GP1[0]
4
VSS
I2C_SDA
I2C_SDA
GP0[0]
GP1[1]
I2C_SCL
I2C_SCL
C
VDD
14 LED_3
VCC_3V3
GP0[3]
CSInt
15
CSInt
Mech_Button
GP0[4]
U2
68
0603
C
16
LED GREEN RMNT
B
LED_2
68
D8
R11
LED GREEN RMNT
68
7
8
LED_3
LED_2
Keypad_BKLight_3 6
LED GREEN RMNT
0603
Keypad_BKLight_1 5
0603
CY8C20110 QFN16
Status LEDs, Green
CapSense Express
CYPRESS SEMICONDUCTOR © 2007
A
A
Title
Capsense Express, Keypad Backlight LEDs and Status LEDs
Size
A
Date:
5
4
3
Document Number
<Doc>
Tuesday, March 04, 2008
2
Rev
2.1
Sheet
3
of
1
6
5
4
3
2
1
VCC_3V3
C6
D
0603
D
0.1 uFd
R13
R15
1
2
3
4
5
NO LOAD
0603
VCC_3V3
0603
J5
NO LOAD
XRES
C17
R16
330
I2C_SCL
I2C_SCL
0603
No Load 0603 R101
0603
XRES_PSOC
HDR 1x5 RA
330
I2C_SDA
I2C_SDA
XRES
0603
R12
R100
XRES_PSOC
0603
0603
NO LOAD
NO LOAD
I2C Interface
C
C
B
B
CYPRESS SEMICONDUCTOR © 2007
A
A
Title
I2C Communication Interface
Size
A
Date:
5
4
3
Document Number
<Doc>
Tuesday, March 04, 2008
2
Rev
2.1
Sheet
4
of
1
6
5
4
3
2
1
VCC_3V3
Cap_Button_1
Cap_Button_1
R19
560
Button_3
0603
R33
0603
D
S1
Mech_Button
Cap_Button_2
Cap_Button_2
R18
560
Button_2
2
4
Mech_Button
D
10K
1
3
0603
0603
R41
Cap_Button_3
Cap_Button_3
R20
560
Dome Switch
100K 1%
Button_1
Mechanical Button
0603
C
C
CSB3
Button_1
CSB2
Button_2
1
CapSense
1
CapSense
CSB1
B
Button_3
B
1
CapSense
CapSense Rectangular Buttons
with Curved Edges
CYPRESS SEMICONDUCTOR © 2007
A
A
Title
CapSense Buttons and Mechanical button
Size
A
Date:
5
4
3
Document Number
<Doc>
Tuesday, March 04, 2008
2
Rev
2.1
Sheet
5
of
1
6
5
4
3
2
1
Revision History
Revision
D
Date
Changes
1.0
20-Aug-2007
Initial Revision
1.1
20-Aug-2007
Internal Review Comments Updated
1.2
22-Aug-2007
Cypress Review Comments Updated
1.3
22-Aug-2007
Jumper Connector added in Series with the ISSP Programmer lines
D
CY8C20110 Symbol updated with the new datasheet
1.4
Zero ohm resistors replaced with no load resistors in capsense
jumpers section
Changed as per review comments from Layout
1. Changed Slider and Button combinations to
Segment 4 with Button 1, Segment 5 with Button 3,
Segment 1 with Button 4, Segment 3 with Mech Button
2. Changed CapSense and Keypad LED backlight lines to PSOC to
avoid less criss cross
30-Aug-2007
C
1.5
04-Sep-2007
1. Changed Button 1 and Button 3 connections to avoid criss cross
2. Changed the ISSP Header
1.6
05-Sep-2007
1. No load pull up resistors added in the I2C_SCL and I2C_SDA lines
2. Series resistor for Power LED changed to 160 ohm to avoid
overcurrent during programming
1.7
05-Sep-2007
1. Jumper and Pull down resistor added for boost regulator enable
pin
2. Backannotation done
1.8
24-Sep-2007
1. Pull down resistor added in Mechanical button interface
2. Backlight and Power LED Footprint name updated
1.9
18-Oct-2007
1. ISSP Interface and Jumpers for ISSP Interface Removed
2.0
24-Oct-2007
2. RC for the XRES line has been added as DNP
2.1
03-Dec-2007
1. Modified to support 3 CapSense buttons, 3 Backlighting LEDs,
3 Status LEDs and 1 Mechanical Switch
2. Removed LCD Module and Slider
B
C
B
CYPRESS SEMICONDUCTOR © 2007
A
A
Title
Revision History
Size
A
Date:
5
4
3
Document Number
<Doc>
Tuesday, March 04, 2008
2
Rev
2.1
Sheet
6
of
1
6