안녕하세요.
FSMC 16bit로 사용하고 있고 설정은 아래와 같습니다.
void Fsmc_Bank1_Sram_Ne3_Ne4_Iint(void)
{
FSMC_NORSRAMInitTypeDef FSMC_NORSRAM_NE3_InitStructure;
FSMC_NORSRAMInitTypeDef FSMC_NORSRAM_NE4_InitStructure;
FSMC_NORSRAMTimingInitTypeDef p3;
FSMC_NORSRAMTimingInitTypeDef p4;
GPIO_InitTypeDef GPIO_InitStructure;
/* Enable GPIOs clock */
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOD | RCC_AHB1Periph_GPIOE |
RCC_AHB1Periph_GPIOF | RCC_AHB1Periph_GPIOG, ENABLE);
// RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);
/* Enable FSMC clock */
RCC_AHB3PeriphClockCmd(RCC_AHB3Periph_FSMC, ENABLE);
FSMC_NORSRAMDeInit(FSMC_Bank1_NORSRAM3);
FSMC_NORSRAMDeInit(FSMC_Bank1_NORSRAM4);
/*-- GPIOs Configuration ------------------------------------------------------*/
/*
+-------------------+--------------------+------------------+------------------+
+ SRAM pins assignment +
+-------------------+--------------------+------------------+------------------+
| PD0 <-> FSMC_D2 | PE0 <-> FSMC_NBL0 | PF0 <-> FSMC_A0 | PG0 <-> FSMC_A10 |
| PD1 <-> FSMC_D3 | PE1 <-> FSMC_NBL1 | PF1 <-> FSMC_A1 | PG1 <-> FSMC_A11 |
| PD4 <-> FSMC_NOE | PE7 <-> FSMC_D4 | PF2 <-> FSMC_A2 | PG2 <-> FSMC_A12 |
| PD5 <-> FSMC_NWE | PE8 <-> FSMC_D5 | PF3 <-> FSMC_A3 | PG3 <-> FSMC_A13 |
| PD8 <-> FSMC_D13 | PE9 <-> FSMC_D6 | PF4 <-> FSMC_A4 | PG4 <-> FSMC_A14 |
| PD9 <-> FSMC_D14 | PE10 <-> FSMC_D7 | PF5 <-> FSMC_A5 | PG5 <-> FSMC_A15 |
| PD10 <-> FSMC_D15 | PE11 <-> FSMC_D8 | PF12 <-> FSMC_A6 | PG9 <-> FSMC_NE2 |
| PD11 <-> FSMC_A16 | PE12 <-> FSMC_D9 | PF13 <-> FSMC_A7 |------------------+
| PD12 <-> FSMC_A17 | PE13 <-> FSMC_D10 | PF14 <-> FSMC_A8 |
| PD14 <-> FSMC_D0 | PE14 <-> FSMC_D11 | PF15 <-> FSMC_A9 |
| PD15 <-> FSMC_D1 | PE15 <-> FSMC_D12 |------------------+
+-------------------+--------------------+
*/
/* GPIOD configuration */
GPIO_PinAFConfig(GPIOD, GPIO_PinSource0, GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOD, GPIO_PinSource1, GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOD, GPIO_PinSource8, GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOD, GPIO_PinSource9, GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOD, GPIO_PinSource10, GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOD, GPIO_PinSource14, GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOD, GPIO_PinSource15, GPIO_AF_FSMC);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_8 | GPIO_Pin_9 |
GPIO_Pin_10 | GPIO_Pin_14 | GPIO_Pin_15;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_Init(GPIOD, &GPIO_InitStructure);
/* GPIOE configuration */
GPIO_PinAFConfig(GPIOE, GPIO_PinSource7 , GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOE, GPIO_PinSource8 , GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOE, GPIO_PinSource9 , GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOE, GPIO_PinSource10 , GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOE, GPIO_PinSource11 , GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOE, GPIO_PinSource12 , GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOE, GPIO_PinSource13 , GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOE, GPIO_PinSource14 , GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOE, GPIO_PinSource15 , GPIO_AF_FSMC);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7 | GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10 |
GPIO_Pin_11| GPIO_Pin_12 | GPIO_Pin_13 | GPIO_Pin_14 |
GPIO_Pin_15;
GPIO_Init(GPIOE, &GPIO_InitStructure);
/* GPIOF configuration */
GPIO_PinAFConfig(GPIOF, GPIO_PinSource0, GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOF, GPIO_PinSource1, GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOF, GPIO_PinSource2, GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOF, GPIO_PinSource3, GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOF, GPIO_PinSource4, GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOF, GPIO_PinSource5, GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOF, GPIO_PinSource12, GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOF, GPIO_PinSource13, GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOF, GPIO_PinSource14, GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOF, GPIO_PinSource15, GPIO_AF_FSMC);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_2 | GPIO_Pin_3 |
GPIO_Pin_4 | GPIO_Pin_5 | GPIO_Pin_12 | GPIO_Pin_13 |
GPIO_Pin_14 | GPIO_Pin_15;
GPIO_Init(GPIOF, &GPIO_InitStructure);
/* NOE, NWE and CLK configuration */
GPIO_PinAFConfig(GPIOD,GPIO_PinSource4, GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOD,GPIO_PinSource5, GPIO_AF_FSMC);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4 |GPIO_Pin_5;
GPIO_Init(GPIOD, &GPIO_InitStructure);
//Ethernet Channel #1_NE3
GPIO_PinAFConfig(GPIOG, GPIO_PinSource10, GPIO_AF_FSMC);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
GPIO_Init(GPIOG, &GPIO_InitStructure);
//Ethernet Channel #2_NE4
GPIO_PinAFConfig(GPIOG, GPIO_PinSource12, GPIO_AF_FSMC);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12;
GPIO_Init(GPIOG, &GPIO_InitStructure);
/*-- FSMC Configuration ------------------------------------------------------*/
// < Enable FSMC Bank1_SRAM3 Bank >
/*
p3.FSMC_AddressSetupTime = 3;
p3.FSMC_AddressHoldTime = 0;
p3.FSMC_DataSetupTime = 20;
p3.FSMC_BusTurnAroundDuration = 0;
p3.FSMC_CLKDivision = 0;
p3.FSMC_DataLatency = 0;
p3.FSMC_AccessMode = FSMC_AccessMode_A;
*/
p3.FSMC_AddressSetupTime = 15;
p3.FSMC_AddressHoldTime = 15;
p3.FSMC_DataSetupTime = 255;
p3.FSMC_BusTurnAroundDuration = 15;
p3.FSMC_CLKDivision = 16;
p3.FSMC_DataLatency = 17;
p3.FSMC_AccessMode = FSMC_AccessMode_A;
FSMC_NORSRAM_NE3_InitStructure.FSMC_Bank = FSMC_Bank1_NORSRAM3;
FSMC_NORSRAM_NE3_InitStructure.FSMC_DataAddressMux = FSMC_DataAddressMux_Disable;
FSMC_NORSRAM_NE3_InitStructure.FSMC_MemoryType = FSMC_MemoryType_SRAM;
FSMC_NORSRAM_NE3_InitStructure.FSMC_MemoryDataWidth = FSMC_MemoryDataWidth_16b;
FSMC_NORSRAM_NE3_InitStructure.FSMC_BurstAccessMode = FSMC_BurstAccessMode_Disable;
FSMC_NORSRAM_NE3_InitStructure.FSMC_AsynchronousWait = FSMC_AsynchronousWait_Disable;
FSMC_NORSRAM_NE3_InitStructure.FSMC_WaitSignalPolarity = FSMC_WaitSignalPolarity_Low;
FSMC_NORSRAM_NE3_InitStructure.FSMC_WrapMode = FSMC_WrapMode_Disable;
FSMC_NORSRAM_NE3_InitStructure.FSMC_WaitSignalActive = FSMC_WaitSignalActive_BeforeWaitState;
FSMC_NORSRAM_NE3_InitStructure.FSMC_WriteOperation = FSMC_WriteOperation_Enable;
FSMC_NORSRAM_NE3_InitStructure.FSMC_WaitSignal = FSMC_WaitSignal_Disable;
FSMC_NORSRAM_NE3_InitStructure.FSMC_ExtendedMode = FSMC_ExtendedMode_Disable;
FSMC_NORSRAM_NE3_InitStructure.FSMC_WriteBurst = FSMC_WriteBurst_Disable;
FSMC_NORSRAM_NE3_InitStructure.FSMC_ReadWriteTimingStruct = &p3;
FSMC_NORSRAM_NE3_InitStructure.FSMC_WriteTimingStruct = &p3;
FSMC_NORSRAMInit(&FSMC_NORSRAM_NE3_InitStructure);
FSMC_NORSRAMCmd(FSMC_Bank1_NORSRAM3, ENABLE);
// < Enable FSMC Bank1_SRAM4 Bank >
/*
p4.FSMC_AddressSetupTime = 3;
p4.FSMC_AddressHoldTime = 0;
p4.FSMC_DataSetupTime = 20;
p4.FSMC_BusTurnAroundDuration = 0;
p4.FSMC_CLKDivision = 0;
p4.FSMC_DataLatency = 0;
p4.FSMC_AccessMode = FSMC_AccessMode_A;
*/
p4.FSMC_AddressSetupTime = 15;
p4.FSMC_AddressHoldTime = 15;
p4.FSMC_DataSetupTime = 255;
p4.FSMC_BusTurnAroundDuration = 15;
p4.FSMC_CLKDivision = 16;
p4.FSMC_DataLatency = 17;
p4.FSMC_AccessMode = FSMC_AccessMode_A;
FSMC_NORSRAM_NE4_InitStructure.FSMC_Bank = FSMC_Bank1_NORSRAM4;
FSMC_NORSRAM_NE4_InitStructure.FSMC_DataAddressMux = FSMC_DataAddressMux_Disable;
FSMC_NORSRAM_NE4_InitStructure.FSMC_MemoryType = FSMC_MemoryType_SRAM;
FSMC_NORSRAM_NE4_InitStructure.FSMC_MemoryDataWidth = FSMC_MemoryDataWidth_16b;
FSMC_NORSRAM_NE4_InitStructure.FSMC_BurstAccessMode = FSMC_BurstAccessMode_Disable;
FSMC_NORSRAM_NE4_InitStructure.FSMC_AsynchronousWait = FSMC_AsynchronousWait_Disable;
FSMC_NORSRAM_NE4_InitStructure.FSMC_WaitSignalPolarity = FSMC_WaitSignalPolarity_Low;
FSMC_NORSRAM_NE4_InitStructure.FSMC_WrapMode = FSMC_WrapMode_Disable;
FSMC_NORSRAM_NE4_InitStructure.FSMC_WaitSignalActive = FSMC_WaitSignalActive_BeforeWaitState;
FSMC_NORSRAM_NE4_InitStructure.FSMC_WriteOperation = FSMC_WriteOperation_Enable;
FSMC_NORSRAM_NE4_InitStructure.FSMC_WaitSignal = FSMC_WaitSignal_Disable;
FSMC_NORSRAM_NE4_InitStructure.FSMC_ExtendedMode = FSMC_ExtendedMode_Disable;
FSMC_NORSRAM_NE4_InitStructure.FSMC_WriteBurst = FSMC_WriteBurst_Disable;
FSMC_NORSRAM_NE4_InitStructure.FSMC_ReadWriteTimingStruct = &p4;
FSMC_NORSRAM_NE4_InitStructure.FSMC_WriteTimingStruct = &p4;
FSMC_NORSRAMInit(&FSMC_NORSRAM_NE4_InitStructure);
FSMC_NORSRAMCmd(FSMC_Bank1_NORSRAM4, ENABLE);
}