参数资料
型号: ML60851CTB
厂商: LAPIS SEMICONDUCTOR CO LTD
元件分类: 总线控制器
英文描述: UNIVERSAL SERIAL BUS CONTROLLER, PQFP44
封装: 10 X 10 MM, 0.80 MM PITCH, PLASTIC, TQFP-44
文件页数: 53/68页
文件大小: 442K
代理商: ML60851CTB
ML60851C
Semiconductor
56/67
PEDL60851C-02
DMA Transfer Timing (5)
Memory to ML60851C (Single Transfer, Single Address Mode)
Notes: 1. When in Single Address mode, CS and A7:A0 are ignored.
2. 3-clock time of oscillation clock (clock period: 21 ns).
3. 5-clock time of oscillation clock (clock period: 21 ns).
4. It is possible to increase t2 by setting the DMA interval register (DMAINTVL).
t3
t5
t7
t6
t2
DREQ
DACK
WR
DIN
t4
t1
Parameter
Symbol
Condition
Note
DREQ Disable Time
t1
DREQ Enable Time
t2
DACK Hold Time
Write Data Setup Time
t4
Unit
ns
Max.
Min.
—20
0
Write Data Hold Time
t5
ns
FIFO Access Time
t3
ns
t6
Load 20 pF
30
2
42
63
—1
Recovery Time
ns
t7
ns
63
105
8-bit DMA
16-bit DMA
2
3
FIFO WRITE
4
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