UPD720122F1-DN2-A Renesas Electronics America, UPD720122F1-DN2-A Datasheet - Page 43

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

Specifications of UPD720122F1-DN2-A

• Lead Free Status / RoHS Status: Supplier Unconfirmed

2.6.4
(1) External local bus 16-bit mode
(a) External local bus 16-bit mode DMA single mode read transfer timing
L16T21
L16T22
L16T23
L16T24
L16T25
L16T26
L16T27
L16T28
L16T29
L16T30
L16T31
L16T32
L16T33
L16T34
Symbol
Note
Remark It is assumed that the external pin capacitance is 15 pF (data bus = 50 pF).
External local bus
Can be input after previous EP1_RDB ↑ .
DMA request acknowledge setup time (EP1_RDB ↓ )
DMA request off time 1 (EP1_DACKB ↓ )
DMA single mode read transfer cycle time
Read command width
Read command inactive time
Read data delay time (EP1_RDB ↓ )
Buffer direction change time (EP1_RDB ↓ )
Read data hold time (EP1_RDB ↑ )
EP1_TCB setup time (EP1_RDB ↓ )
EP1_TCB hold time (EP1_RDB ↓ )
EP1_STOPB delay time (EP1_RDB ↓ )
EP1_STOPB delay time (EP1_RDB ↑ )
DMA request acknowledge hold time (EP1_RDB ↑ )
Undefined
Parameter
Data Sheet S16685EJ3V0DS
Min.
91
57
34
17
0
−
−
−
4
0
−
3
0
−
Typ.
µ
Note
PD720122
Max.
54
57
14
15
∞
∞
∞
∞
∞
∞
−
−
−
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
41