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AT83SND2CMP3B Datasheet(PDF) 220 Page - ATMEL Corporation

Part # AT83SND2CMP3B
Description  Single-Chip Flash Microcontroller with MP3 Decoder with Full Audio Interface
PDF  241 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT83SND2CMP3B Datasheet(HTML) 220 Page - ATMEL Corporation

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4341F–MP3–03/06
AT8xC51SND2C/MP3B
24.3.1.3
Waveforms
Figure 24-14. External Program Bus Cycle - Read Waveforms
24.3.2
External Data 8-bit Bus Cycles
24.3.2.1
Definition of Symbols
Table 24-11. External Data 8-bit Bus Cycles Timing Symbol Definitions
24.3.2.2
Timings
Test conditions: capacitive load on all pins= 50 pF.
Table 24-12. External Data 8-bit Bus Cycle - Read AC Timings
VDD = 2.7 to 3.3 V, TA = -40 to +85°C
T
PLIV
P2
P0
PSEN
ALE
T
LHLL
T
PLPH
Instruction In
A15:8
T
LLPL
A7:0
A15:8
T
AVLL TLLAX
T
PLAZ
D7:0
T
PXIX
T
PXIZ
D7:0
T
PXAV
Instruction In
A7:0
D7:0
Signals
Conditions
AAddress
H
High
D
Data In
L
Low
L
ALE
V
Valid
Q
Data Out
X
No Longer Valid
RRD
ZFloating
WWR
Symbol
Parameter
Variable Clock
Standard Mode
Variable Clock
X2 Mode
Unit
Min
Max
Min
Max
T
CLCL
Clock Period
50
50
ns
T
LHLL
ALE Pulse Width
2·T
CLCL-15
T
CLCL-15
ns
T
AVLL
Address Valid to ALE Low
T
CLCL-20
0.5·T
CLCL-20
ns
T
LLAX
Address hold after ALE Low
T
CLCL-20
0.5·T
CLCL-20
ns
T
LLRL
ALE Low to RD Low
3·T
CLCL-30
1.5·T
CLCL-30
ns



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