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STM32H562II Datasheet(PDF) 183 Page - STMicroelectronics |
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STM32H562II Datasheet(HTML) 183 Page - STMicroelectronics |
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183 / 270 page ![]() DS14258 Rev 5 183/270 STM32H562xx and STM32H563xx Electrical characteristics 238 Synchronous waveforms and timings Figures 37 through 40 represent synchronous waveforms, tables 78 through 81 provide the corresponding timings. The results shown in these tables are obtained with the following FMC configuration: • BurstAccessMode = FMC_BurstAccessMode_Enable • MemoryType = FMC_MemoryType_CRAM • WriteBurst = FMC_WriteBurst_Enable • CLKDivision = 1 • DataLatency = 1 for NOR flash, DataLatency = 0 for PSRAM. • With capacity load CL = 30 pF In all the timing tables, Tfmc_ker_ck is the fmc_ker_ck clock period, with the following FMC_CLK maximum values: • For 2.7 V < VDD < 3.6 V: maximum FMC_CLK = 100 MHz at CL = 20 pF • For 1.71 V < VDD < 1.8 V: maximum FMC_CLK = 95 MHz at CL = 20 pF • For 1.71 V < VDD < 1.8 V: maximum FMC_CLK = 100 MHz at CL = 15 pF Figure 37. Synchronous multiplexed NOR/PSRAM read timings FMC_CLK FMC_NEx FMC_NADV FMC_A[25:16] FMC_NOE FMC_AD[15:0] AD[15:0] D1 D2 FMC_NWAIT (WAITCFG = 1b, WAITPOL + 0b) FMC_NWAIT (WAITCFG = 0b, WAITPOL + 0b) tw(CLK) tw(CLK) Data latency = 0 BUSTURN = 0 td(CLKL-NExL) td(CLKH-NExH) t d(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) MS32757V1 |
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