UPD720122F1-DN2-A Renesas Electronics America, UPD720122F1-DN2-A Datasheet - Page 29

• Manufacturer Part Number: UPD720122F1-DN2-A
• Manufacturer: Renesas Electronics America

Specifications of UPD720122F1-DN2-A

• Lead Free Status / RoHS Status: Supplier Unconfirmed

(b) CPU bus DMA single mode write transfer
(Overall)
EP2_DACKB
EP2_DRQB
WRB
D15 to D0
EP2_TCB
T35
T36
T37
T38
T39
T40
T41
T42
T43
T44
Symbol
Note
Remark It is assumed that the external pin capacitance is 15 pF (data bus = 50 pF).
Can be input after immediately previous WRB ↑ .
DMA request acknowledge setup time (WRB ↓ )
DMA request off time (EP2_DACKB ↓ )
DMA single mode write transfer cycle time
Write command width
Write command inactive time
Write data setup time (WRB ↑ )
Write data hold time (WRB ↑ )
EP2_TCB setup time (WRB ↓ )
EP2_TCB hold time (WRB ↓ )
DMA request acknowledge hold time (WRB ↑ )
High level
t
35
t
36
t
38
t
t
37
40
1 cycle
t
41
t
t
39
44
Parameter
Data Sheet S16685EJ3V0DS
Min.
88
54
34
10
17
0
−
0
0
0
N − 1 cycle
t
40
t
Typ.
41
µ
Note
PD720122
Max.
N cycle
54
∞
∞
∞
∞
∞
∞
∞
∞
t
44
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
27