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CY8C20110 PDF预览

CY8C20110

更新时间: 2024-11-09 03:12:35
品牌 Logo 应用领域
赛普拉斯 - CYPRESS /
页数 文件大小 规格书
12页 314K
描述
CapSenseLITE - 10 Configurable IOs

CY8C20110 数据手册

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CY8C20110  
CapSenseLITE - 10 Configurable IOs  
Features  
Overview  
Ten configurable IOs supporting  
CapSense buttons  
LED drive  
Interrupt outputs  
WAKE on interrupt input  
User defined input/output  
The CapSenseLITE controller allows the control of ten IOs  
configurable as capacitive sensing buttons or as GPIOs for  
driving LEDs or interrupt signals based on various button  
conditions. The GPIOs are also configurable for waking up the  
device from sleep based on an interrupt input.  
The user has the ability to configure buttons, outputs, and  
parameters, through specific commands sent to the I2C port. The  
IOs have the flexibility in mapping to capacitive buttons and as  
standard GPIO functions such as interrupt output or input, LED  
drive and digital mapping of input to output using simple logical  
operations. This enables easy PCB trace routing and reduces  
the PCB size and stack up. CapSenseLITE products are  
designed for easy integration into complex products.  
2.4V to 5.25V operating voltage  
Industrial temperature range: –40°C to +85°C  
I2C slave interface for configuration  
Reduce BOM cost  
Internal oscillator - no external oscillators or crystal  
Free development tool - no external tuning components  
Architecture  
Low operating current  
Active current: continuous sensor scan - 1mA  
Sleep current: no scan, continuous sleep - 2.6uA  
The logic block diagram illustrates the internal architecture of  
CY8C20110.  
The user is able to configure registers with parameters needed  
to adjust the operation and sensitivity of the CapSense system.  
CY8C20110 supports a standard I²C serial communication  
interface that allows the host to configure the device and to read  
sensor information in real time through easy register access.  
Available in 16-pin QFN and 16-pin SOIC packages  
The CapSenseLITE Core  
The CapSenseLITE Core has a powerful configuration and  
control block. It encompasses SRAM for data storage, an  
interrupt controller, along with sleep and watchdog timers.  
System resources provide additional capability, such as a config-  
urable I2C slave communication interface and various system  
resets. The Analog system contains the CapSense PSoC block  
and an internal 1.8V analog reference, which together support  
capacitive sensing of up to 10 inputs.  
Cypress Semiconductor Corporation  
Document Number: 001-17345 Rev. *B  
198 Champion Court  
San Jose, CA 95134-1709  
408-943-2600  
Revised November 22, 2007  
[+] Feedback  

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