參數(shù)資料
型號: ML60851AGA
廠商: OKI ELECTRIC INDUSTRY CO LTD
元件分類: 總線控制器
英文描述: UNIVERSAL SERIAL BUS CONTROLLER, PQFP44
封裝: 9 X 10 MM, 0.80 MM PITCH, PLASTIC, QFP-44
文件頁數(shù): 22/45頁
文件大?。?/td> 358K
代理商: ML60851AGA
ML60851A
Semiconductor
29/44
DMA Transfer Timing (1)
ML60851A to Memory (Single Transfer, Single Address Mode)
Parameter
Symbol
Condition
Note
DREQ Disable Time
t1
DREQ Enable Time
t2
DACK Hold Time
t3
Read Data Delay Time
t4
1
Unit
ns
Max.
Min.
—20
0
25
Data Hold Time
t5
ns
Recovery Time
t6
2
ns
63
ns
Load 20 pF
8-bit DMA
16-bit DMA
0
105
63
—3
Notes: 1. When in Single Address mode, CS and A7:A0 are ignored.
t4 is defined depending on DACK or RD which becomes active last.
2. 3-clock time of oscillation clock (clock period: 21 ns).
3. 5-clock time of oscillation clock (clock period: 21 ns).
t1
t2
t5
t4
DREQ
DACK
RD
DOUT
t3
t6
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