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STM32H523CEU6 bảng dữ liệu(PDF) 150 Page - STMicroelectronics

tên linh kiện STM32H523CEU6
Giải thích chi tiết về linh kiện  Arm Cortex -M33 32-bit MCUTrustZone FPU, 375 DMIPS Arm Cortex -M33 32-bit MCUTrustZone FPU, 375 DMIPS
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STM32H523CEU6 bảng dữ liệu(HTML) 150 Page - STMicroelectronics

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Electrical characteristics
STM32H523xx
150/228
DS14540 Rev 1
Synchronous waveforms and timings
Figures 25 through 28 represent synchronous waveforms, tables 76 through 79 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, the 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 25. 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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