STM32H750XB_RT-THREAD/25-FMC—扩展外部SDRAM/必读说明.txt

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2025-07-21 06:34:29 +00:00
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<EFBFBD><EFBFBD>*<2A><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
-<2D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƣ<EFBFBD>FMC-SDRAM
<><CAB5>ƽ̨: Ұ<><D2B0>STM32 H750 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
-MDK<44><EFBFBD><E6B1BE>5.25
-ST<53>̼<EFBFBD><CCBC><EFBFBD><EFBFBD><EFBFBD><E6B1BE>1.5.0
<EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܼ<EFBFBD><DCBC>
<EFBFBD><EFBFBD>д<EFBFBD><EFBFBD><EFBFBD>ص<EFBFBD> SDRAM оƬ<D0BE><C6AC>
ѧϰĿ<EFBFBD>ģ<EFBFBD>ѧϰSTM32<EFBFBD><EFBFBD>FMC<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>SDRAM<EFBFBD>ڴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ע<EFBFBD><D7A2><EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD>
<EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>ʵ<EFBFBD><CAB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD>Զ<EFBFBD>ʹ<EFBFBD>ô<EFBFBD><EFBFBD>ڵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֣<EFBFBD>ѡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>STM32<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>COM<EFBFBD>ڣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ115200-N-8-1<><31>
<EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɽ<EFBFBD><EFBFBD><EFBFBD>STM32<EFBFBD><EFBFBD><EFBFBD>ڷ<EFBFBD><EFBFBD>͸<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Եĵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ<EFBFBD><EFBFBD>
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<EFBFBD><EFBFBD>*<2A><> <20><><EFBFBD>ŷ<EFBFBD><C5B7><EFBFBD>
SDRAM <20><>W9825G6KH 32M <20>ֽڣ<D6BD><DAA3><EFBFBD>
SDRAMоƬ<EFBFBD>Ľӿ<EFBFBD><EFBFBD><EFBFBD>STM32<EFBFBD><EFBFBD>FMC<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
/*<2A><><EFBFBD><EFBFBD><EFBFBD>ź<EFBFBD><C5BA><EFBFBD>*/
CS <--->PH6
BA0 <--->PG4
BA1 <--->PG5
WE <--->PC0
CS <--->PH6
RAS <--->PF11
CAS <--->PG15
CLK <--->PG8
CKE <--->PH7
UDQM<--->PE1
LDQM<--->PE0
<EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ź<EFBFBD><EFBFBD><EFBFBD>ʡ<EFBFBD>ԣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӵ<EFBFBD>SDRAM<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַΪ (0xD0000000)<29><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַΪ(0xD2000000),<2C><>СΪ32M<32>ֽ<EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>(TTL-USB TO USART)<29><>
CH340<EFBFBD><EFBFBD><EFBFBD>շ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>STM32<EFBFBD>ķ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
RX<--->PA9
TX<--->PA10
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<EFBFBD><EFBFBD>*<2A><> ʱ<><CAB1>
A.<2E><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
-<2D>ⲿ<EFBFBD><E2B2BF><EFBFBD>پ<EFBFBD><D9BE><EFBFBD><EFBFBD><EFBFBD>25MHz
-RTC<54><43><EFBFBD><EFBFBD><EFBFBD><EFBFBD>32.768KHz
B.<2E><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD>ӣ<EFBFBD>
-ϵͳʱ<CDB3><CAB1> = SYCCLK = 480MHz
-AHB4 = 240MHz
-AXI = 240MHz
-APB1 = 120MHz
-APB2 = 120MHz
-APB3 = 120MHz
C.<2E><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>㵥Ԫ<E3B5A5><D4AA>
ʹ<><CAB9>
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<EFBFBD><EFBFBD>*<2A><> <20>
-<2D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><E6B1BE>1.0
-<2D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڣ<EFBFBD>2019
-<2D><EFBFBD><E6B1BE><EFBFBD><EFBFBD>˵<EFBFBD><CBB5><EFBFBD><EFBFBD><EFBFBD>״η<D7B4><CEB7><EFBFBD>
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<EFBFBD><EFBFBD>*<2A><> <20><>ϵ<EFBFBD><CFB5><EFBFBD><EFBFBD>
<><D2B0><EFBFBD><EFBFBD>̳ :http://www.firebbs.cn
-<2D>Ա<EFBFBD><D4B1><EFBFBD><EFBFBD><EFBFBD> :http://firestm32.taobao.com
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