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STM32F103RG 数据表(PDF) 80 Page - STMicroelectronics |
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STM32F103RG 数据表(HTML) 80 Page - STMicroelectronics |
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80 / 120 page  Electrical characteristics STM32F103xF, STM32F103xG 80/120 Doc ID 16554 Rev 3 Figure 39. NAND controller waveforms for common memory write access Table 42. Switching characteristics for NAND Flash read cycles(1) 1. CL = 15 pF. Symbol Parameter Min Max Unit tw(NOE) FSMC_NOE low width 3tHCLK – 1 3tHCLK + 1 ns tsu(D-NOE) FSMC_D[15:0] valid data before FSMC_NOE high 13 - ns th(NOE-D) FSMC_D[15:0] valid data after FSMC_NOE high 0 - ns td(ALE-NOE) FSMC_ALE valid before FSMC_NOE low - 2tHCLK ns th(NOE-ALE) FSMC_NWE high to FSMC_ALE invalid 2tHCLK - ns Table 43. Switching characteristics for NAND Flash write cycles(1) 1. CL = 15 pF. Symbol Parameter Min Max Unit tw(NWE) FSMC_NWE low width 3tHCLK 3tHCLK ns tv(NWE-D) FSMC_NWE low to FSMC_D[15:0] valid - 0 ns th(NWE-D) FSMC_NWE high to FSMC_D[15:0] invalid 2tHCLK + 2 - ns td(ALE-NWE) FSMC_ALE valid before FSMC_NWE low - 3tHCLK + 1.5 ns th(NWE-ALE) FSMC_NWE high to FSMC_ALE invalid 3tHCLK + 8 - ns td(ALE-NOE) FSMC_ALE valid before FSMC_NOE low - 2tHCLK ns th(NOE-ALE) FSMC_NWE high to FSMC_ALE invalid 2tHCLK - ns tw(NWE) th(NWE-D) tv(NWE-D) ai14913b FSMC_NWE FSMC_NOE FSMC_D[15:0] td(D-NWE) ALE (FSMC_A17) CLE (FSMC_A16) FSMC_NCEx Low td(ALE-NOE) th(NOE-ALE) |
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