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STM32F101XC データシート(PDF) 61 Page - STMicroelectronics |
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STM32F101XC データシート(HTML) 61 Page - STMicroelectronics |
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61 / 106 page ![]() STM32F101xC, STM32F101xD, STM32F101xE Electrical characteristics Doc ID 14610 Rev 7 61/106 Synchronous waveforms and timings Figure 25 through Figure 28 represent synchronous waveforms and Table 36 through Table 38 provide the corresponding timings. The results shown in these tables are obtained with the following FSMC configuration: ● BurstAccessMode = FSMC_BurstAccessMode_Enable; ● MemoryType = FSMC_MemoryType_CRAM; ● WriteBurst = FSMC_WriteBurst_Enable; ● CLKDivision = 1; (0 is not supported, see the STM32F10xxx reference manual) ● DataLatency = 1 for NOR Flash; DataLatency = 0 for PSRAM Figure 25. Synchronous multiplexed NOR/PSRAM read timings FSMC_CLK FSMC_NEx FSMC_NADV FSMC_A[25:16] FSMC_NOE FSMC_AD[15:0] AD[15:0] D1 D2 FSMC_NWAIT (WAITCFG = 1b, WAITPOL + 0b) FSMC_NWAIT (WAITCFG = 0b, WAITPOL + 0b) tw(CLK) tw(CLK) Data latency = 1 BUSTURN = 0 td(CLKL-NExL) td(CLKH-NExH) td(CLKL-NADVL) td(CLKL-AV) td(CLKL-NADVH) td(CLKH-AIV) td(CLKL-NOEL) td(CLKH-NOEH) td(CLKL-ADV) td(CLKL-ADIV) tsu(ADV-CLKH) th(CLKH-ADV) tsu(ADV-CLKH) th(CLKH-ADV) tsu(NWAITV-CLKH) th(CLKH-NWAITV) tsu(NWAITV-CLKH) th(CLKH-NWAITV) tsu(NWAITV-CLKH) th(CLKH-NWAITV) ai14893e |
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