參數(shù)資料
型號(hào)： UPD720122
廠商： NEC Corp.
英文描述： MOS Integrated Circuit
中文描述： 馬鞍山集成電路
文件頁數(shù)： 47/82頁
文件大?。?/td> 650K
代理商： UPD720122
Data Sheet S16685EJ2V0DS
47
μ
PD720122
(c) External local bus 16-bit mode DMA demand read transfer timing
Symbol
Parameter
Min.
Typ.
Max.
Unit
L16T45
DMA request acknowledge setup time (EP1_RDB
↓
)
0
∞
ns
L16T46
DMA demand mode read transfer cycle time
91
∞
ns
L16T47
Read command width
57
∞
ns
L16T48
Read command inactive time
34
∞
ns
L16T49
Read data delay time (EP1_RDB
↓
)
57
ns
L16T50
Buffer direction change time (EP1_RDB
↓
)
14
ns
L16T51
Read data hold time (EP1_RDB
↑
)
4
ns
L16T52
EP1_TCB setup time (EP1_RDB
↓
)
0
Note
ns
L16T53
EP1_TCB hold time (EP1_RDB
↓
)
17
∞
ns
L16T54
EP1_STOPB delay time (EP1_RDB
↓
)
15
ns
L16T55
EP1_STOPB delay time (EP1_RDB
↑
)
3
ns
L16T56
DMA request off time (EP1_RDB
↑
)
59
ns
L16T57
DMA request acknowledge hold time (EP1_RDB
↑
)
0
∞
ns
L16T69
DMA request off time (EP1_DACKB
↓
)
38
ns
L16T71
DMA request off time (EP1_DACKB
↓
) 1 cycle transfer
38
ns
L16T72
DMA request on time (EP1_DACKB
↑
)
88
ns
L16T74
DMA request off time (EP1_RDB
↓
)
60
ns
Note
Can be input after immediately previous EP1_RDB
↑
.
Remark
It is assumed that the external pin capacitance is 15 pF (data bus = 50 pF).
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
UPD720122GC-9EU-A 制造商:NEC Electronics Corporation 功能描述:IC CONTROLLER USB SMD TQFP100
UPD720130GC-9EU-A 制造商:NEC Electronics Corporation 功能描述:BRIDGE USB TO IDE SMD TQFP100
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UPD720150GK-9EU-A 制造商:Renesas Electronics Corporation 功能描述:USB2.0 HOST/DEVICE CTRL, 80-PI 制造商:Renesas Electronics Corporation 功能描述:USB2.0 HOST PERIPHERAL CONTROLLER - Bulk 制造商:Renesas Electronics Corporation 功能描述:RENUPD720150GK-9EU-A USB2.0 HOST IC
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