W7500x Reference Manual Version1.1.0
8 / 399
Functional description ................................................................... 150
Registers (Base address : 0x4100_3000) ............................................... 152
PAD Control register (Px_y PCR)(x=A..D, y=0..15) ........................................ 152
Register map ............................................................................... 152
Introduction ................................................................................ 153
Features .................................................................................... 153
Functional description ................................................................... 153
GPIO Registers(Address Base: 0x4200_0000) ......................................... 156
GPIO Data Register(GPIOx_DATA) (x=A..D) ................................................. 156
GPIO Output Latch Register(GPIOx_DATAOUT) (x=A..D) .................................. 156
GPIO Enable Set Register(GPIOx_OUTENSET) (x=A..D) ................................... 156
GPIO Enable Clear Register(GPIOx_OUTENCLR) (x=A..D) ................................ 157
GPIO Interrupt Enable Set Register(GPIOx_ INTENSET) (x=A..D) ....................... 157
GPIO Interrupt Enable Clear Register(GPIOx_ INTENCLR) (x=A..D)..................... 158
GPIO Interrupt Type Set Register(GPIOx_ INTTYPESET) (x=A..D) ....................... 158
GPIO Interrupt Type Clear Register(GPIOx_ INTTYPECLR) (x=A..D) .................... 159
GPIO Interrupt Polarity Set Register(GPIOx_ INTPOLSET) (x=A..D) ..................... 159
GPIO Interrupt Polarity Clear Register(GPIOx_ INTPOLCLR) (x=A..D) .................. 160
GPIO Interrupt Status/Clear Register(GPIO_ INTSTATUS/INTCLEAR) (x=A..D) ........ 161
GPIO Lower Byte Masked Access Register(GPIOx_ LB_MASKED) (x=A..D) .............. 161
GPIO Upper Byte Masked Access Register(GPIOx_ UB_MASKED) (x=A..D) ............. 162
Register map ............................................................................... 163
Direct memory access controller (DMA) ........................................................ 164
Introduction ................................................................................ 164
Features .................................................................................... 164
Functional description ................................................................... 164
DMA request mapping .......................................................................... 165
Registers (Base address : 0x4100_4000) ............................................... 168
DMA status register (DMA_STATUS) ........................................................... 168
DMA configuration register (DMA_CFG) ..................................................... 169
DMA control data base pointer register (DMA_CTRL_BASE_PTR) ....................... 170
DMA channel alternate control data base pointer register
DMA channel wait on request status register (DMA_WAITONREQ_STATUS) ............ 171
DMA channel software request register (DMA_CHNL_SW_REQUEST) ................... 171