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参数资料
| 型号： | ST72521M9T3/XXX |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, MROM, MICROCONTROLLER, PQFP80 |
| 封装： | 14 X 14 MM, TQFP-80 |
| 文件页数： | 10/11页 |
| 文件大小： | 95K |
| 代理商： | ST72521M9T3/XXX |
ST72521M/R/AR
8/11
are not implemented).
3. OSC1 and OSC2 pins connect a crystal/ceramic resonator, an RC oscillator, or an external source to
the on-chip oscillator;
4. On the chip, each I/O port has 8 pads. Pads that are not bonded to external pins are in input pull-up con-
figuration after reset. The configuration of these pads must be kept at reset state to avoid added current
consumption.
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