參數(shù)資料
型號: MB91FV130CR-ES
元件分類: 微控制器/微處理器
英文描述: 32-BIT, FLASH, 33 MHz, RISC MICROCONTROLLER, CPGA299
封裝: CERAMIC, PGA-299
文件頁數(shù): 105/123頁
文件大?。?/td> 1331K
代理商: MB91FV130CR-ES
MB91133/MB91F133
82
15. DMA Controller
The DMA controller is the built-in module of the MB91130 series that carrie out direct memory access (DMA)
transfers.
Characteristics of the DMA Controller
8 channels
3 transfer mode types : single/block transfer, burst transfer, continuous transfer
Transfer between overall address areas
Maximum 65,536 transfers
Interruption function when transfer ends
Increase/decrease in transfer addresses can be selected using software
3 external transfer request input/output pins and 3 external transfer end output pins
Block Diagram
DREQ0 to DREQ2
Built-in resource
transfer request
DACK0 to DACK2
EOP0 to EOP2
Interruption request
DPDP
Switcher
DACSR
Data
bus
DATCR
BLK DEC
Data buffer
INC / DEC
BLK
Mode
DMACT
SADR
DADR
3
Edge / level
detection circuit
3
Sequencer
3
8
5
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