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ST10F272M датащи(PDF) 11 Page - STMicroelectronics |
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ST10F272M датащи(HTML) 11 Page - STMicroelectronics |
11 / 175 page ST10F272M Introduction 11/176 1 Introduction 1.1 Description The ST10F272M device is a new derivative of the STMicroelectronics ST10 family of 16-bit single-chip CMOS microcontrollers. The ST10F272M combines high CPU performance (up to 20 million instructions per second) with high peripheral functionality and enhanced I/O capabilities. It also provides on-chip high-speed single voltage Flash memory, on-chip high-speed RAM, and clock generation via PLL. The ST10F272M is processed in 0.18mm CMOS technology. The MCU core and the logic is supplied with a 5V to 1.8V on-chip voltage regulator. The part is supplied with a single 5V supply and I/Os work at 5V. The ST10F272M is an optimized version of the ST10F272E, upward compatible with the following set of differences: ● Maximum CPU frequency is 40 MHz ● Reduced range for the Standby Voltage: VStby must be in the range of 4.5 to 5.5V. ● Identification registers: the IDMEM register reflects the Flash type difference and can be used to differentiate the two devices by software ● Improved EMC behavior thanks to the introduction of an internal RC filter on the 5V for the ballast transistors 1.2 Special characteristics 1.2.1 1.2.1 XPeripheral clock gating This new feature have been implemented on the ST10F272M: Once the EINIT instruction has been executed, only the XPeripherals enabled in the XPERCON register will be clocked. The new feature allows to reduce the power consumption and also should improve the emissions as it avoids to propagate useless clock signals across the device. 1.2.2 1.2.2 Improved supply ring An RC filter has been introduced in the 5V power supply ring of the ballast transistor. In addition, the supply rings for the internal voltage regulators and the IOs have been split. These two modifications should improve the behavior of the device regarding conducted emissions. |
Аналогичный номер детали - ST10F272M |
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Аналогичное описание - ST10F272M |
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