參數(shù)資料
型號(hào)： ML60851D
廠商： OKI SEMICONDUCTOR CO., LTD.
英文描述： USB Device Controller
中文描述： USB設(shè)備控制器
文件頁(yè)數(shù)： 59/82頁(yè)
文件大?。?/td> 705K
代理商： ML60851D
ML60851D
Semiconductor
59/82
PEDL60851D-01
DMA Transfer Timing (8)
Memory to ML60851D (Demand Transfer, Dual Address Mode)
Parameter
Symbol
t
1
t
2
t
3
Condition
Load 20 pF
FIFO WRITE
Note
DREQ
Disable Time
FIFO Access Time
CS
Hold Time
Write Data Setup Time
Write Data Hold Time
t
4
t
5
Unit
ns
ns
ns
ns
ns
ns
ns
Max.
20
—
Min.
—
42
Recovery Time
t
6
8-bit DMA
16-bit DMA
—
—
—
—
—
0
30
2
63
105
1
2
3
Notes: 1. When in Dual Address mode, the DACK is ignored.
A7:A0 specifies the FIFO address.
Refer to WRITE Timing (1) for Address Setup Time and Address Hold Time.
t
2
is defined depending on
CS
or
WR
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).
t
1
t
3
t
2
t
4
Last Packet Write
A7:A0
DREQ
CS
WR
DIN
t
5
t
6
(Note) Refer to the previous page.
(Note)
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ML60851E 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:USB Device Controller
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