Every day, new products, new experience, one-stop electronic digital procurement center, professional PCB proofing factory, 24-hour expedited shipping server and storage system, super-new interconnect solutions, diverse electronic and electrical components, all over the place, flowering wearable devices and things What kind of wireless technology is really needed for networking (IoT) products? What challenges do engineers face when designing? The survey shows that engineers face three major design challenges: First, designing sensor-based wireless IoT systems is difficult. When designing sensor-based wireless systems, engineers need to use design tools from multiple IC vendors. At the same time, wireless specifications require complex firmware development, and RF board design is complex. Second, sensor-based systems require Sensor AF E, digital control logic, BL E radio and MCU, and complex user interface requires additional touch or display ICs. These IC-based systems increase BOM cost. Third, wireless systems typically operate with coin cell batteries. In order to optimize system power, an optimized low power system is required.
Cypress's single-chip, low-power Bluetooth solution is unique in terms of integration and ease of design. The new PSoC 4 BLE programmable system-on-chip is based on Cypress's 15-year-old PSoC programmable embedded design platform's inherently programmable flexibility, combined with the ARM Cortex-M0's cost-effective processor architecture, now coupled with low power consumption Bluetooth (BLE) radio for high level of integration and ease of use.
Cypress PSoC 4 BLE Architecture
The Cypress Bluetooth low energy solution features a smart Bluetooth RF, a high performance 32-bit ARM Cortex-M0 core with ultra-low power modes, programmable analog blocks, and CapSense capacitive touch sensing. These technologies combine to deliver high system value, longer battery life, customizable sensing capabilities, and a beautiful, intuitive user interface for smart Bluetooth products.
The PSoC 4 BLE integrated programmable AFE includes four operational amplifiers (configurable as PGAs, comparators, filters, etc.), a 12-bit resolution and 1Msps sample rate SAR2 ADC; programmable digital logic includes 4 general purpose Digital Block (UDB), 4 Configurable TCPWM3 Modules, 2 Configurable Serial Communication Modules (SCB); and CapSense Touch Sensing Interface with built-in Cypress SmartSense auto-tuning algorithm to recognize two-finger gestures and not at all Need to manually adjust (see picture).
Simplify system design in three ways
In addition to high integration, Cypress Product Marketing Manager Wang Donggang said that the greatest value of the PSoC 4 BLE single-chip solution is the simplification of the system design work. This is mainly reflected in three aspects: simplifying the configuration of the BLE protocol stack and configuration files; simplifying the RF board design by integrating the Balun circuit; implementing a complete system design in PSoCCreator, simplifying the overall design process.
In addition to integrating the Bluetooth physical layer and link layer, PSoC 4 BLE also integrates Bluetooth programmable on-chip radio frequency system (PR oC), and the dual P-filter Balun circuit required for Bluetooth radio. The function of this circuit is to convert differential RF signals. A single-ended signal or an opposite signal that matches the antenna. The integration of the Balun circuit on a single chip makes the design of the Bluetooth radio simpler. Only one capacitor and one inductor are needed externally, and the current mainstream solution on the market requires almost 7 or 9 devices. Wang Donggang emphasized that the reduction in the number of external components not only reduces costs and PCB area, but also greatly simplifies system design and increases mass production yield. As a highly integrated, single-chip solution, PSoC 4 BLE reduces the design threshold for IoT and wearable devices for custom IoT applications, home automation, medical, sports and fitness monitoring, and other wearable smart devices.
Received Bluetooth Technology Alliance certification
Cypress's highly integrated single-chip Bluetooth low-power solution is currently Bluetooth certified. This means that the link layer components, Bluetooth low energy protocol stack and RF physical layer (RF PHY) used in the PSoC4BLE programmable system-on-chip and PRoC BLE programmable on-chip RF system solutions are certified according to the 4.1 specification. In addition, the solution's chip scale package (CSP) and quad flat no-lead (QFN) packages are also certified for Bluetooth 4.1.
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