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STM32 FMC - netx 90 DPM interface

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Q

How to connect the parallel memory interface - FMC - of a STM32 Microcontroller to the paralell DPM (Dual Port Memory) of netX 90?

A


STM32 FMC always use word addresssing, netX 90 DPM requires byte addressing.

16bit none-mux

STM32F767ZI pinSTM32 FMC signalnetx 90 pin
PE0FMC_NBL0DPM_A0
PF0FMC_A0DPM_A1
PF1FMC_A1DPM_A2
PF2FMC_A2DPM_A3
PF3FMC_A3DPM_A4
PF4FMC_A4DPM_A5
PF5FMC_A5DPM_A6
PF12FMC_A6DPM_A7
PF13FMC_A7DPM_A8
PF14FMC_A8DPM_A9
PF15FMC_A9DPM_A10
PG0FMC_A10DPM_A11
PG1FMC_A11DPM_A12
PG2FMC_A12DPM_A13
PG3FMC_A13DPM_A14



PD14FMC_D0DPM_D0
PD15FMC_D1DPM_D1
PD0FMC_D2DPM_D2
PD1FMC_D3DPM_D3
PE7FMC_D4DPM_D4
PE8FMC_D5DPM_D5
PE9FMC_D6DPM_D6
PE10FMC_D7DPM_D7
PE11FMC_D8DPM_D8
PE12FMC_D9DPM_D9
PE13FMC_D10DPM_D10
PE14FMC_D11DPM_D11
PE15FMC_D12DPM_D12
PD8FMC_D13DPM_D13
PD9FMC_D14DPM_D14
PD10FMC_D15DPM_D15



PC7FMC_NE1DPM_CS
PD4FMC_NOEDPM_RDn
PD5FMC_NWEDPM_WRn
PE1FMC_NBL1DPM_BHEN
PC6FMC_NWAITDPM_RDY
any external IRQ capable port

DPM_DIRQ


8bit none-mux

STM32F767ZI pinSTM32 FMC signalnetx 90 pin
PF0FMC_A0DPM_A0
PF1FMC_A1DPM_A1
PF2FMC_A2DPM_A2
PF3FMC_A3DPM_A3
PF4FMC_A4DPM_A4
PF5FMC_A5DPM_A5
PF12FMC_A6DPM_A6
PF13FMC_A7DPM_A7
PF14FMC_A8DPM_A8
PF15FMC_A9DPM_A9
PG0FMC_A10DPM_A10
PG1FMC_A11DPM_A11
PG2FMC_A12DPM_A12
PG3FMC_A13DPM_A13
PG4FMC_A14DPM_A14



PD14FMC_D0DPM_D0
PD15FMC_D1DPM_D1
PD0FMC_D2DPM_D2
PD1FMC_D3DPM_D3
PE7FMC_D4DPM_D4
PE8FMC_D5DPM_D5
PE9FMC_D6DPM_D6
PE10FMC_D7DPM_D7



PC7FMC_NE1DPM_CS
PD4FMC_NOEDPM_RDn
PD5FMC_NWEDPM_WRn
PC6FMC_NWAITDPM_RDY
any external IRQ capable port

DPM_DIRQ
See also...

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