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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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ST72F324J2T3 датащи(PDF) 161 Page - STMicroelectronics |
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ST72F324J2T3 датащи(HTML) 161 Page - STMicroelectronics |
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161 / 163 page  ST72324 161/163 16 IMPORTANT NOTES ON ST72F324B FLASH DEVICES: With the objective of continuous improvement, ST has developed new ST72F324B devices. These devices are fully compatible with all ROM features and provide an improved price/performance ratio compared to the ST72F324 flash devices. A summary of the technical improvements is given below. Refer to separate ST72324B datasheet for the or- dering information and full specifications. 16.1 Reset Pin Logic levels In ST72F324B Flash devices, the VIH/VIL levels for the reset pin are the same as specified for ROM devices 16.2 Wake-Up from Active Halt mode using external interrupts In ST72F324B Flash devices, any external inter- rupt that capable of waking-up the MCU from Halt mode can also wake-up the MCU from Active Halt mode. Consequently note 1 below Table 8 on page 36 does not apply to ‘B’ devices. 16.3 PLL Jitter In ST72F324B Flash devices, PLL clock accuracy is improved and the jitter is the same as specified for ROM devices 16.4 Active Halt Power Consumption In ST72F324B Flash devices, the power con- sumption in Active Halt mode is specified as 230µA max. See Table 12.5.1 on page 120 for test conditions. 16.5 Timer A Registers In ST72F324B Flash devices, all Timer A registers are present and their functionality is the same as described for ROM devices in the ST72324B da- tasheet. 1 |
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