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PDF CAP1005 Data sheet ( Hoja de datos )
| Número de pieza | CAP1005 | |
| Descripción | (CAP1005 / CAP1006) 5 and 6 Channel Capacitive Touch Sensor | |
| Fabricantes | SMSC Corporation | |
| Logotipo |  |
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CAP1005 / CAP1006
5 and 6 Channel Capacitive
Touch Sensor
PRODUCT FEATURES
General Description
The CAP1006 and CAP1005 are multiple channel
Capacitive Touch sensors. The CAP1006 contains six
(6) individual Capacitive Touch sensor inputs while the
CAP1005 contains five (5) sensors. Both devices offer
programmable sensitivity for use in touch sensor
applications. Each sensor automatically recalibrates to
compensate for gradual environmental changes.
The CAP1005 / CAP1006 offers multiple power states
operating at low quiescent currents.
During the Standby mode of operation, one or more
Capacitive Touch Sensors are active.
The Deep Sleep mode of operation is the lowest power
state available drawing 3uA of current. During this
mode, no sensors are active. Communications will wake
the device.
Datasheet
Applications
Desktop and Notebook PC’s
LCD Monitors
Printers
Appliances
Features
Six (6) Capacitive Touch Sensor Inputs - CAP1006
Five (5) Capacitive Touch Sensor Inputs - CAP1005
— Programmable sensitivity
— Automatic recalibration
— Individual thresholds for each button
Flexible Capacitive Touch Sense algorithm
Multiple Communication interfaces
— SMBus / I2C compliant interface (CAP1006-1 only)
— SMSC BC-Link interface (CAP1006-2 only)
— SPI communications (CAP1005 only)
Low Power operation
— 3uA quiescent current in Deep Sleep
— Samples one or more channels in Standby
— Open Drain or Push-Pull
Available in 10-pin 3mm x 3mm RoHS compliant DFN
package
CAP1006 Block Diagram
VDD GND
Capacitive Sensing Algorithm
SMBus
Slave
Protocol
www.DataSheet4U.com
CS1 CS2 CS3 CS4 CS5 CS6
SMCLK1 / BC_CLK2
SMDATA1 / BC_DATA2
ALERT#1 / BC_IRQ#2
1 = CAP1006-1
2 = CAP1006-2
CAP1005 Block Diagram
VDD GND
Capacitive Sensing Algorithm
SPI
Protocol
SPI_CS#
SPI_CLK
SPI_MOSI
SPI_MISO
CS1 CS2 CS3 CS4 CS5
Note: I2C is a trademark of NXP semiconductor. BC-Link is a trademark of SMSC.
SMSC CAP1005 / CAP1006
DATASHEET
Revision 1.1 (08-05-09)
1 page  
5 and 6 Channel Capacitive Touch Sensor
Datasheet
List of Figures
Figure 1.1
Figure 1.2
Figure 3.1
Figure 3.1
Figure 3.1
Figure 3.2
Figure 3.3
Figure 3.4
Figure 3.5
Figure 3.6
Figure 4.1
Figure 4.2
Figure 4.3
Figure 4.4
Figure 6.1
Figure 6.2
Figure 6.3
Figure 6.4
Figure 6.5
Figure 6.6
CAP1006 Pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
CAP1005 Pin Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
SMBus Timing Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
SPI Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Example SPI Bus Communication - Normal Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
SPI Reset Interface Command - Normal Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
SPI Set Address Pointer Command - Normal Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
SPI Write Command - Normal Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
SPI Read Command - Normal Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
SPI Read Command - Normal Mode - Full . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
System Diagram for CAP1006 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
System Diagram for CAP1005 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Sensor Interrupt Behavior - Repeat Rate Enabled. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Sensor Interrupt Behavior - No Repeat Rate Enabled . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
10-Pin DFN 3mm x 3mm Package Drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
10-Pin DFN 3mm x 3mm Package Dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
10-Pin DFN 3mm x 3mm PCB Footprint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
CAP1006-1 Package Markings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
CAP1006-2 Package Markings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
CAP1005 Package Markings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
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SMSC CAP1005 / CAP1006
5
DATASHEET
Revision 1.1 (08-05-09)
5 Page 
5 and 6 Channel Capacitive Touch Sensor
Datasheet
Table 2.2 Electrical Specifications (continued)
VDD = 3V to 3.6V, TA = 0°C to 100°C, all Typical values at TA = 27°C unless otherwise noted.
CHARACTERISTIC SYMBOL
MIN
TYP MAX UNIT
CONDITIONS
Maximum Base
Capacitance
CBASE
50 pF
Detectable
Capacitive Shift
ΔCTOUCH
0.1
2 pF
Pad untouched
Pad touched
I/O Pins - SPI_CS#, SPI_MOSI, and ALERT# pins
Output Low Voltage
VOL
0.4 V
ISINK_IO = 4mA
Input High Voltage
VIH
2.0
V
Input Low Voltage
VIL
0.8 V
Leakage Current
ILEAK
±5 uA
powered or unpowered
TA < 85°C
SMDATA / BC_DATA / SPI_MSIO / SPI_MISO and SMCLK / BC_CLK / SPI_CLK pins
Output Low Voltage
Output High Voltage
VOL
VOH
VDD -
0.4
0.4 V
V
ISINK_IO = 8mA
ISOURCE_IO = 8mA
Input High Voltage
Input Low Voltage
Leakage Current
VIH
VIL
ILEAK
2.0
V
0.8 V
±5 uA
powered or unpowered
TA < 85°C
pull-up voltage < 3.6V
SMBus First
Communication
tSMB
15 ms
SMBus Timing (CAP1006-1 only)
Input Capacitance
CIN
5 pF
Clock Frequency
fSMB
10
400 kHz
Spike Suppression
tSP
50 ns
Bus free time Start to
Stop
tBUF
1.3
us
Setup Time: Start
Setup Time: Stop
Data Hold Time
www.DataSheDeta4tUa .Scoemtup Time
Clock Low Period
Clock High Period
Clock/Data Fall time
Clock/Data Rise time
tSU:STA
tSU:STP
tHD:DAT
tSU:DAT
tLOW
tHIGH
tFALL
tRISE
0.6
0.6
0.6
0.6
1.3
0.6
us
us
6 us
72 us
us
us
300 ns
300 ns
Min = 20+0.1CLOAD ns
Min = 20+0.1CLOAD ns
SMSC CAP1005 / CAP1006
11
DATASHEET
Revision 1.1 (08-05-09)
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet CAP1005.PDF ] | |
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