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ST10F272M 数据表(PDF) 11 Page - STMicroelectronics |
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ST10F272M 数据表(HTML) 11 Page - STMicroelectronics |
11 / 176 page ST10F272M Introduction Doc ID 12968 Rev 3 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 5 V to 1.8 V on-chip voltage regulator. The part is supplied with a single 5 V supply and I/Os work at 5 V. 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 5.5 V. ● 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 5 V for the ballast transistors 1.2 Special characteristics 1.2.1 1.2.1 X-peripheral clock gating This new feature have been implemented on the ST10F272M: Once the EINIT instruction has been executed, only the X-peripherals 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 5 V power supply ring of the ballast transistor. In addition, the supply rings for the internal voltage regulators and the I/Os have been split. These two modifications should improve the behavior of the device regarding conducted emissions. |
类似零件编号 - ST10F272M_12 |
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类似说明 - ST10F272M_12 |
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