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CSU18M68
Supports single key pressure-sensing touch and false touch rejection Standard I2C output interfaces Low power consumption and compact size
CSU18M68 is a bridge sensor conditioning chip that integrates a 16-bit ADC and dual-channel inputs. It supports I2C communication interfaces, has built-in 8-bit RISC core and MTP memory, and can be programmed by users. It can be applied to the conditioning of pressure and gas sensors.
Main features
16-bit Sigma-Delta ADC
Supports 2 fully differential or 4 single-ended inputs
Supports multiple data rates ranging from 2 kHz to 32 kHz
Integrates PGA and supports 1/5/10/20x gain
Built-in temperature sensor
8-bit RISC MCU core and 8KW MTP memory
Timer: Timer 0/Timer 1/WDT
Operating voltage: 2.4 V–3.6 V
ADC's operating voltage: 2.75 V–3.6 V
Operating temperature: -40 ℃–85 ºC
Supports 2 fully differential or 4 single-ended inputs
Supports multiple data rates ranging from 2 kHz to 32 kHz
Integrates PGA and supports 1/5/10/20x gain
Built-in temperature sensor
8-bit RISC MCU core and 8KW MTP memory
Timer: Timer 0/Timer 1/WDT
Operating voltage: 2.4 V–3.6 V
ADC's operating voltage: 2.75 V–3.6 V
Operating temperature: -40 ℃–85 ºC
Output interfaces
I2C interface, supports 100 kbps/400 kbps
2 open-drain I/O ports and 2 push-pull I/O ports, supports external interrupts
2 open-drain I/O ports and 2 push-pull I/O ports, supports external interrupts
Packaging
WLCSP16, 1.45 mm × 1.465 mm
QFN16, 3 mm × 3 mm, e = 0.5
QFN16, 3 mm × 3 mm, e = 0.5
功能框圖
Technical Documentation
Product manual(1)
Application Document(1)
Reference design(1)
Design and development
Tools/Software
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CSWrite V3.2.4
CSWriterUx V3.2.4 is the latest burning tool software of Core Sea Technology. Support core sea 8bit MCU, 32bit MCU.
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CSU-IDE
Core sea 8-bit MCU/SOC integrated development environment
1. Integrated C compiler, assembler, linker, window
2. Support standard C language and assembly language development 3 Example code of integrated chips