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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STR720 датащи(PDF) 113 Page - STMicroelectronics |
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STR720 датащи(HTML) 113 Page - STMicroelectronics |
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113 / 401 page  STR720 - DRAM CONTROLLER (DRAMC) 113/401 Size of bank 4 Register (Bank4Size) Address Offset: 40h Reset value: 0000h The Size of bank 4 Register (Bank4Size) is a 16-bit read/write control register used to specify the size of external region 4 (Bank 4). The Bank4Size control bits are the same as Bank1Size register. 10.4.1 Register map In the Table 30 an overview of the DRAMC registers is reported. Refer to Table 21 on page 50 for the base address. 15 14 13 12 11 10 9 8 7 6543210 reserved SIZE[8:0] rw Table 30. DRAMC Register Map Addr. Offset Register Name 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 0 MB1Config reserved DEVWID[1:0] DATALAT[1:0] SETUPTIME[2:0} IDLETIME[2:0] SDRAM- COL[1:0] 4 MB2Config reserved DEVWID[1:0] DATALAT[1:0] SETUPTIME[2:0} IDLETIME[2:0] SDRAM- COL[1:0] 8 MB3Config reserved DEVWID[1:0] DATALAT[1:0] SETUPTIME[2:0} IDLETIME[2:0] SDRAM- COL[1:0] C MB4Config reserved DEVWID[1:0] DATALAT[1:0] SETUPTIME[2:0} IDLETIME[2:0] SDRAM- COL[1:0] 10 SDRAM1ConfigLo reserved MIAB 14 SDRAM1ConfigHi reserved MIWE MIAA MISA 18 SDRAM2ConfigLo reserved MIAB 1C SDRAM2ConfigHi reserved MIWE MIAA MISA 20 SDRAM3ConfigLo reserved MIAB 24 SDRAM3ConfigHi reserved MIWE MIAA MISA 28 SDRAMC4onfigLo reserved MIAB 2C SDRAM4ConfigHi reserved MIWE MIAA MISA 30 MemConfig reserved PWR- SAVE TYPE B3EN B2EN B1EN B0EN REFR[7:0] 34 Bank1Size reserved SIZE[8:0} 38 Bank2Size reserved SIZE[8:0} 3C Bank3Size reserved SIZE[8:0} 40 Bank4Size reserved SIZE[8:0} 1 |
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