FSMC_NCE[3:2]:片选(Chip Select)信号,用于选择要访问的NAND闪存芯片。 FSMC_INT[3:2]:中断信号输入端口,用于接收来自外部的中断请求。 PC卡信号: FSMC_INTR:内部中断请求信号,用于指示存储控制器内部的某些事件或错误。 FSMC_NCE4_1/NCE4_2:第四个/第五个片选信号,用于选择特定的NAND闪存芯片。 FSMC_NIOR...
/RD, MPU从LCD读入数据控制线。(2)6800模式。在这种模式下,Ｖcc、Ｖss、Ｖee、/RES、DB0~DB7、D...
FSMC_NCE4_2 PG12 FSMC_NE4 ● PF0 FSMC_A0 ●(Ax任选一个连接LCD的RS引脚) PF1 FSMC_A1 ●(LCD的RS=0表示写寄存器) PF2 FSMC_A2 ●(LCD的RS=1表示写数据RAM) PF3 FSMC_A3 ● PF4 FSMC_A4 ● PF5 FSMC_A5 ● PF12 FSMC_A6 ● PF13 FSMC_A7 ● PF14 FSMC_A8 ● PF15 FSMC_A9 ● ...
For the LQFP100 and BGA100 packages, only FSMC Bank1 and Bank2 are available. Bank1 can only support a multiplexed NOR Flash memory using the NE1 Chip Select. Bank2 can only support a 16- or 8- bit NAND Flash memory using the NCE2 Chip Select. 因为只有一个片选脚 PD7 (NE1 和NCE2...
NCE4_1/ FMC_ - - - NE3 PG11 - EVENT OUT - - - - - - - - - - FMC_ NCE4_2 - - - PG12 - EVENT OUT - - - - - - - - - - FMC_ NE4 - - - PG13 - EVENT OUT - - - - - - - - - - FMC_ A24 - - - PG14 - EVENT OUT - - - - - - - - - - FMC...
FSMC_NOE---PD4 FSMC_NE1/FSMC_NCE2---PD7 FSMC_NE2/FSMC_NCE3---PG9 FSMC_NWE---PD5 FSMC_NCE4_1/FSMC_NE3---PG10 FSMC_NCE4_2---PG11 FSMC_NE4---PG12 FSMC_A0---PF0 FSMC_A1---PF1 FSMC_A2---PF2 FSMC_A3---PF3 FSMC_A4---PF4 FSMC_A5...
表18-33 16位PC卡 FSMC信号名称 输入/输出 功能 A[10:0] 输出 地址总线 NIOS16 输入 I/O空间的数据传输宽度(16位或8位传输) NIORD 输出 I/O空间的输出使能 NIOWR 输出 I/O空间的写使能 NREG 输出 指示操作是在通用或属性空间的寄存器信号 D[15:0] 入/出 双向数据总线 NCE4_1 输出 片选1 NCE4...
[3:2] FSMC_INT[3:2] NAND/PC Card memory controller FSMC_INTR FSMC_NCE4_1 FSMC_NCE4_2 FSMC_NIORD FSMC_NIOWR FSMC_NIOS16 FSMC_NREG FSMC_CD NAND signals PC Card signals ai14718c From the FSMC point of view, the external memory is divided into four fixed-size banks of 256 Mbytes...
[15:0] FSMC_NOE FSMC_NWE FSMC_NWAIT FSMC_NCE[3:2] FSMC_INT[3:2] FSMC_INTR FSMC_NCE4_1 FSMC_NCE4_2 FSMC_NIORD FSMC_NIOWR FSMC_NIOS16 FSMC_NREG FSMC_CD Shared signals NAND signals PC Card signals ai14718c From the FSMC...
PG4 A14 PG5 A15 PG6 INT2 PG7 INT3 PD0 D2 D2 D2 D2 D2 PD1 D3 D3 D3 D3 D3 PD3 CLK CLK PD4 NOE NOE NOE NOE NOE PD5 NEW NEW NEW NEW NEW PD6 NWAIT NWAIT NWAIT NWAIT NWAIT PD7 NE1 NE1 NCE2 PG9 NE2 NE2 NCE3 PG10 NCE4_1 NCE4_1 NE3 NE3 PG11 NCE4_2 NCE4...