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PDF LC717A00ARGEVK Data sheet ( Hoja de datos )
| Número de pieza | LC717A00ARGEVK | |
| Descripción | Capacitance-Digital-Converter IC | |
| Fabricantes | ON Semiconductor | |
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LC717A00ARGEVK
Capacitance‐Digital‐Converter
IC for Electrostatic Capacitive
Touch Sensors Evaluation
Board User's Manual
http://onsemi.com
EVAL BOARD USER’S MANUAL
Introduction
This manual contains configuration, usage, setup guide
(page 12), and main specifications regarding Capacitance
touch sensor Evaluation board set (LC717A00ARGEVK).
For the latest edition of this manual, please refer to
ON Semiconductor homepage.
Product Outline
This set includes four (4) different Evaluation boards that
can evaluate Capacitance touch sensor operation in various
switch patterns and Communication tools to make register
setting changes on PC.
Capacitance Touch Sensor Evaluation Board
“LC717A00AR01GEVB”
Capacitance Touch Sensor Evaluation Board
“LC717A00AR02GEVB”
Capacitance Touch Sensor Evaluation Board
“LC717A00AR03GEVB”
Capacitance Touch Sensor Conversion Module
“LC717A00ARGPGEVB”
Multi-functional USB−I2C Conversion Module
“MM−FT232H”
USB Cable
EVALUATION BOARDS
LC717A00AR01GEVB Evaluation Board
This Evaluation board has 42 switch pattern with an
LED on the center. Acrylic board is mounted on the board
with a space of approx. 1.5 mm. When the user touches the
Green light, which is lit under this acrylic board, the color
will change to Red.
Configuration
1. Connector for Multifunctional USB−I2C
Conversion module:
This is used to connect Multifunctional USB−I2C
conversion module “MM−FT232H”. By using this
module, user can connect the Evaluation board and
PC. By connecting this Evaluation board to PC
and activating Touch sensor evaluation application
“LC717A00AR Software” on PC, user can change
the parameter of touch sensor LSI, or can monitor
an operation condition. Also, power will be
supplied from this connector.
2. Power source switching jumper:
This is used to set a supplier of the power source.
If this is set on “PC” side, power is supplied from
Multifunctional USB conversion module. If this is
set on “AC ADAPTER” side, power is supplied
from DC jack.
3. DC Jack:
This is used to connect AC adopter (+5 V).
(Note: Using wrong polarity will damage this jack)
4. RESET switch:
This is used to RESET Capacitance touch sensor
LSI. Use this switch when Error LED is lit or if
any abnormality is found during operation.
5. Error LED:
This will light up when error is occurring in
Capacitance touch sensor LSI. When this LED is
lit, press RESET switch to release the error.
6. Capacitance touch sensor LSI:
Please do not touch this during operation – It may
cause malfunction or breakdown.
7. Touch switch area:
An area where Touch switch is located. Touch
switch is Green at power ON. When the user
touches the Green light, Touch sensor will react
and change the color to Red.
Semiconductor Components Industries, LLC, 2013
January, 2013 − Rev. 1
1
Publication Order Number:
EVBUM2149/D
1 page  
LC717A00ARGEVK
MAIN SPECIFICATIONS
Main specifications of each device are as listed below:
Table 1. MAIN SPECIFICATIONS OF LC717A00AR01GEVB
Parameter
Conditions
Board Size
155 115 (mm)
Board Material
Glass Epoxy (FR4)
Supply Voltage
5V
Capacitance Touch Sensor
LC717A00AR
External RESET Circuit
With Manual REWSET Switch
Switch Pattern
4 2 Configuration
Connector
6 Pins 1 Row, DC Jack
Ramarks
Copper Foil 35 mm, Thickness 1.6 mm, Double-sided Board
Provided from either DC Jack or MM−FT232H
Table 2. MAIN SPECIFICATIONS OF LC717A00AR02GEVB
Parameter
Conditions
Board Size
127 28.5 (mm)
Board Material
Glass Epoxy (FR4)
Supply Voltage
5V
Capacitance Touch Sensor
LC717A00AR
External RESET Circuit
With Manual REWSET Switch
Switch Pattern
8 1 Configuration
Connector
6 Pins 1 Row
Ramarks
Copper Foil 35 mm, Thickness 1.6 mm, Double-sided Board
Provided from MM−FT232H
Table 3. MAIN SPECIFICATIONS OF LC717A00AR03GEVB
Parameter
Conditions
Board Size
29 69 (mm)
Board Material
Glass Epoxy (FR4)
Supply Voltage
5V
Capacitance Touch Sensor
LC717A00AR
External RESET Circuit
N/A
Switch Pattern
4 2 Configuration
Connector
USB A Type
Ramarks
Copper Foil 35 mm, Thickness 1.6 mm, Double-sided Board
Provided from USB Connector
Table 4. MAIN SPECIFICATIONS OF LC717A00ARGPGEVB
Parameter
Conditions
Board Size
17.78 35.56 (mm)
Board Material
Glass Composite (CEM3)
Supply Voltage
2.6 to 5.5 V
Capacitance Touch Sensor
LC717A00AR
External RESET Circuit
With Manual REWSET Switch
Switch Pattern
4 2 Configuration
Connector
Connector 600 mil Width 28 Pins
DIP Type
Ramarks
Copper Foil 35 mm, Thickness 1.6 mm, Double-sided Board
http://onsemi.com
5
5 Page 
LC717A00ARGEVK
Table 5. SIGNAL PIN FUNCTIONS
No Name I/O
Functions
1
Pout7
Output
Cin0 Evaluation Result Output
2
Pout6
Output
Cin1 Evaluation Result Output
3
Pout5
Output
Cin2 Evaluation Result Output
4
Pout4
Output
Cin3 Evaluation Result Output
5
Pout3
Output
Cin4 Evaluation Result Output
6
Pout2
Output
Cin5 Evaluation Result Output
7
Pout1
Output
Cin6 Evaluation Result Output
8
Pout0
Output
Cin7 Evaluation Result Output
9
ERROR
Output
ERROR State Output
10
Cref
Input
Reference Capacity Input Pin
11
Cdrv
Output
Output for Capacitive Sensor Drive
12
INTOUT
Output
Interruption Output
13
GAIN
Input
Pin for Gain Initial Value Selection (JP1 Initialization : H Level = 14)
14 GND
− GND (EARTH)
15 Vdd
− Power Source
16
SCL/SCK
Input
Clock Input (I2C)/Clock Input (SPI) (2.2 kW Pull-up)
17 SDA/SI I/O Data I/O (I2C)/Data Input (SPI) (2.2 kW Pull-up)
18 SA/SO I/O Slave Address Selection (I2C)/Data Output (SPI) (JP2 Initialization : L Level)
19
CS
Input
Interface Selection/Chip Select Inverting Input (SPI)
20
RESET
Input
External RESET Signal Inverting Input (2.2 kW Pull-up, with Switch)
21 Cin0 I/O Capacitive Sensor Input
22 Cin1 I/O Capacitive Sensor Input
23 Cin2 I/O Capacitive Sensor Input
24 Cin3 I/O Capacitive Sensor Input
25 Cin4 I/O Capacitive Sensor Input
26 Cin5 I/O Capacitive Sensor Input
27 Cin6 I/O Capacitive Sensor Input
28 Cin7 I/O Capacitive Sensor Input
*For evaluation result output of Pout0~7; Evaluation result (ON/OFF) after removing Capacitive sensor input’s chattering will come out.
Capacitive sensor’s measurement will become readable by connecting I2C compatible bus or SPI.
Table 6. JUMPER, PATTERN FOR ADDITIONAL PARTS
Pattern
Parameter
Set Contents
JP1
Initial Gain Setting
H Level (1-2 Short) = High-sensitivity (14) *: Initial Setting: H Level
L Level (2-3 Short) = Low-sensitivity (7)
JP2
Slave Address Selection (I2C)
When Interface is Selected as I2C Compatible Bus by CS Pin;
/ H Level (2-3 Short) = 0x16 (7 Bits)
Data Output (SPI)
L Level (1-2 Short) = 0x17 (7 Bits) *: Initial Setting: L Level
C3
Pattern for Cref Capacity
Implement Capacitor of any Capacity as Needed (Size: 1608)
Adjustment
PRECAUTION FOR USE
1. For approach in the use of IC and the design rule
of the sensor pattern that will become the switch:
Please refer to the User’s manual and FAQ pages
in ON Semiconductor homepage.
2. Regarding ON/OFF output change in accordance
with long press of the switch:
This happens with “Auto OFF function”. As a
fail-safe function, if LSI is initial setting, output
will be OFF after holding the switch for 10
seconds. By using Switch ON Count
Lower/Higher Register in I2Ct compatible bus or
SPI connection, the time to set OFF will be
adjustable.
http://onsemi.com
11
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| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet LC717A00ARGEVK.PDF ] | |
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