TS68302MAB Atmel Corporation, TS68302MAB Datasheet - Page 18
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TS68302MAB
Manufacturer Part Number
TS68302MAB
Description
16-bit Communication Controller, 16-20 MHz
Manufacturer
Atmel Corporation
Datasheet
1.TS68302MAB.pdf
(47 pages)
- Current page: 18 of 47
- Download datasheet (2Mb)
Figure 10. DMA Timing Diagram
Table 10. AC Electrical Specifications - External Master Internal Asynchronous Read/write Cycles
Note:
18
Num.
108A
109A
100
101
102
103
104
105
106
107
108
109
1. If AS is negated before DS, the data bus could be three-stated (spec 126) before DS is negated.
2. See Figure 11 and Figure 12.
TS68302
Symbol
t
t
t
t
t
t
t
DSHRWH
t
t
DSHDOH
RWVDSL
t
DSHDKH
t
t
DOVDKL
ASVDSL
DKLDSH
DSLDIV
DSHDH
DKLDH
DSHDZ
DSIASI
Parameter
R/W valid to DS low
DS low to data in valid
DTACK low to data in hold time
AS valid to DS low
DTACK low to DS high
DS high to DTACK high
DS inactive to AS inactive
DS high to R/W high
DS high to data high impedance
DS high to data out hold time
DS high to data in hold time
Data out valid to DTACK low
(1)
Min
15
0
0
0
0
0
0
0
0
(2)
Max
f = 16.67 MHz
30
45
45
2117A–HIREL–11/02
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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