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STM32H750VB bảng dữ liệu(PDF) 144 Page - STMicroelectronics

tên linh kiện STM32H750VB
Giải thích chi tiết về linh kiện  32-bit Arm® Cortex®-M7 480MHz MCUs, 128 Kbyte Flash, 1 Mbyte RAM, 46 com. and analog interfaces, crypto
PDF  335 Pages
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
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STM32H750VB bảng dữ liệu(HTML) 144 Page - STMicroelectronics

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Electrical characteristics (rev Y)
STM32H750VB STM32H750ZB STM32H750IB STM32H750XB
144/334
DS12556 Rev 5
Synchronous waveforms and timings
Figure 24 through Figure 27 represent synchronous waveforms and Table 72 through
Table 75 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
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, FMC_CLK =100 MHz at 20 pF
For 1.8 V<VDD<1.9 V, FMC_CLK =100 MHz at 20 pF
For 1.62 V<VDD<1.8 V, FMC_CLK =100 MHz at 15 pF
1. Guaranteed by characterization results.
Table 71. Asynchronous multiplexed PSRAM/NOR write-NWAIT timings(1)
Symbol
Parameter
Min
Max
Unit
tw(NE)
FMC_NE low time
9Tfmc_ker_ck – 1
9Tfmc_ker_ck
ns
tw(NWE)
FMC_NWE low time
7Tfmc_ker_ck – 0.5 7Tfmc_ker_ck + 0.5
tsu(NWAIT_NE)
FMC_NWAIT valid before FMC_NEx high
6Tfmc_ker_ck + 3
-
th(NE_NWAIT)
FMC_NEx hold time after FMC_NWAIT invalid
4Tfmc_ker_ck
-
1. Guaranteed by characterization results.



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