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AT89C5132-ROTIL Folha de dados(PDF) 32 Page - ATMEL Corporation

Nome de Peças AT89C5132-ROTIL
Descrição Electrónicos  USB USB Microcontroller with 64K Bytes Flash Memory
PDF  38 Pages
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Fabricante Electrônico  ATMEL [ATMEL Corporation]
Página de início  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT89C5132-ROTIL Folha de dados(HTML) 32 Page - ATMEL Corporation

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AT89C5132
4173CS–USB–07/04
Waveforms
Figure 14. Flash Memory – ISP Waveforms
Note:
1. ISP must be driven through a pull-down resistor (see Section “In-system Program-
ming”, page 22).
Figure 15. Flash Memory – Internal Busy Waveforms
External Clock Drive and Logic Level References
Definition of Symbols
Table 16. External Clock Timing Symbol Definitions
Timings
Table 17. External Clock AC Timings
V
DD = 2.7 to 3.3V, TA= -40 to +85°C
Waveforms
Figure 16. External Clock Waveform
RST
T
SVRL
ISP(1)
T
RLSX
FBUSY bit
T
BHBL
Signals
Conditions
C
Clock
H
High
L
Low
X
No Longer Valid
Symbol
Parameter
Min
Max
Unit
T
CLCL
Clock Period
50
ns
T
CHCX
High Time
10
ns
T
CLCX
Low Time
10
ns
T
CLCH
Rise Time
3
ns
T
CHCL
Fall Time
3
ns
T
CR
Cyclic Ratio in X2 Mode
40
60
%
0.45 V
T
CLCL
VDD - 0.5
VIH1
V
IL
T
CHCX
T
CLCH
T
CHCL
T
CLCX



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