Cypress FM4 Series - DMAC and System Configuration

CHAPTER 10: DMAC
456 FM4 Peripheral Manual, Doc. No. 002-04856 Rev. *E
2.1 DMAC and System Configuration
This section explains DMAC and its system configuration.
Block Diagram
Figure 2-1 shows a diagram of DMAC and its system configuration.
Figure 2-1 Block Diagram of DMAC and System Configuration
DRQSEL
IDREQ[31:0]
DMAC
cｈ.０
cｈ.1
cｈ.2
cｈ.3
cｈ.4
cｈ.5
cｈ.6
cｈ.7
Channel priority control
DMAC system bus (AHB/Peripheral)
Peripheral
( Hardware DMA available )
CPU
Peripheral
( Hardware DMA unavailable )
Flash
NVIC
Interrupt sig.
DMA transfer request sig.
CPU system bus (AHB/Peripheral)
RAM