New from STMicroelectronics are the robust and reliable STM8S105 and STM8S207 for industrial and consumer applications.
Key features of the new devices include high-performance 8-bit architecture, modular peripherals and pin-compatible packages.
The STM8S platform offers up to 20 MIPS CPU capability and 2,95–5,5 V operation to help legacy 8-bit systems transition to lower supply voltages. Its 130 nm embedded non-volatile memory provides true EEPROM data-write with 300 000 cycle durability. The rich set of peripherals available supports accurate control and monitoring in a broad range of products such as home appliances, HVAC systems, industrial automation, power tools, personal care equipment, and systems for power control and management. Functions include a 10-bit ADC with up to 16 channels capable of converting in less than 3 microseconds. There are also advanced 16-bit control timers for operations such as motor control, capture/compare and PWM. Other peripherals include a CAN2.0B interface, two U(S)ARTs, an I²C and SPI ports.
The STM8S platform shares its peripherals’ definition with the 32-bit STM32 families, promoting compatibility across devices and enabling design flexibility since applications can be migrated into the STM32 domain for higher performance. Complementing this flexibility, STM8S components and packages are fully pin compatible to provide more freedom for developers to optimise pin count and peripherals.
There are also powerful integrated features to reduce overall parts count and system costs. Two on-chip RC oscillators, operating at 16 MHz and 128 kHz, are accurate to within 1% and 5%, respectively, and save the need for an external clock source. The MCU can switch between these two oscillators in less than 2 microseconds. On-chip power-on-reset and brown-out-reset functions eliminate external reset circuitry. Further features include IEC61967-compliant EMI emission, IEC-1000 high immunity to susceptibility and high current-injection immunity.
Other convenient features include a single-wire debugging and programming interface, as well as single-voltage Flash memory enabling in-application programming and in-system programming.
Among the devices introduced, developers can choose the STM8S105 Access Line with 16 MHz CPU frequency and up to 32 KByte Flash, or the STM8S207 Performance Line operating at 24 MHz with up to 128 KByte Flash. Package options span 32-pin LQFP32 to 80-pin LQFP80.
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