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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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STR720 데이터시트(PDF) 380 Page - STMicroelectronics |
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STR720 데이터시트(HTML) 380 Page - STMicroelectronics |
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380 / 401 page  STR720 - ELECTRICAL CHARACTERISTICS 380/401 28.7 Clock and Timing Characteristics 28.7.1 Internal clock characteristics Application software controls STR720 internal clocks by configuring RCCU registers and setting PLL related parameters (see Chapter 13: RESET AND CLOCK CONTROL UNIT (RCCU) on page 138). The values hereafter reported defines the limit for internal frequencies that must be respected by clock configuration. Figure 74. Supply current versus system frequency Table 93. Internal clock limits Symbol Parameter Conditions Value Unit Min Typ Max fCPU CPU, AHB and S-APB clock frequency -50 70 MHz fAPB A-APB clock frequency fCPU / 16 - fCPU / 2 MHz fSYS [MHz] 10 20 75 50 25 40 30 50 60 70 0 0 IDD(25°C) |
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