參數資料
型號: MC9S12B64MFU25
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 25 MHz, MICROCONTROLLER, PQFP80
封裝: QFP-80
文件頁數: 109/128頁
文件大?。?/td> 1817K
代理商: MC9S12B64MFU25
Device User Guide —9S12B128DGV1/D V01.10
81
A.1.3.5 VREGEN
This pin is used to enable the on chip voltage regulator.
A.1.4 Current Injection
Power supply must maintain regulation within operating VDD5 or VDD range during instantaneous and
operating maximum current conditions. If positive injection current (Vin >VDD5) is greater than IDD5, the
injection current may flow out of VDD5 and could result in external power supply going out of regulation.
Ensure external VDD5 load will shunt current greater than maximum injection current. This will be the
greatest risk when the MCU is not consuming power; e.g. if no system clock is present, or if clock rate is
very low which would reduce overall power consumption.
A.1.5 Absolute Maximum Ratings
Absolute maximum ratings are stress ratings only. A functional operation under or outside those maxima
is not guaranteed. Stress beyond those limits may affect the reliability or cause permanent damage of the
device.
This device contains circuitry protecting against damage due to high static voltage or electrical fields;
however, it is advised that normal precautions be taken to avoid application of any voltages higher than
maximum-rated voltages to this high-impedance circuit. Reliability of operation is enhanced if unused
inputs are tied to an appropriate logic voltage level (e.g., either VSS5 or VDD5).
相關PDF資料
PDF描述
MC9S12B64VPV25 16-BIT, FLASH, 25 MHz, MICROCONTROLLER, PQFP112
MC9S12B64VFU25 16-BIT, FLASH, 25 MHz, MICROCONTROLLER, PQFP80
MC9S12B128CFU16 16-BIT, FLASH, 16 MHz, MICROCONTROLLER, PQFP80
MC9S12B128CPV16 16-BIT, FLASH, 16 MHz, MICROCONTROLLER, PQFP112
MC9S12B128VFU25 16-BIT, FLASH, 25 MHz, MICROCONTROLLER, PQFP80
相關代理商/技術參數
參數描述
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