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AT89C51AC3-RDTIM 数据表(PDF) 133 Page - ATMEL Corporation

部件名 AT89C51AC3-RDTIM
功能描述  Enhanced 8-bit Microcontroller with 64KB Flash Memory
PDF  143 Pages
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制造商  ATMEL [ATMEL Corporation]
网页  http://www.atmel.com
标志 ATMEL - ATMEL Corporation

AT89C51AC3-RDTIM 数据表(HTML) 133 Page - ATMEL Corporation

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AT89C51AC3
4383B–8051–01/05
Flash/EEPROM Memory
Table 83. Timing Symbol Definitions
Table 84. Memory AC Timing
VDD = 3V to 5.5V, TA = -40 to +85
°C
Figure 68. Flash Memory – ISP Waveforms
Figure 69. Flash Memory – Internal Busy Waveforms
Signals
Conditions
S (Hardware
condition)
PSEN#,EA
L
Low
R
RST
V
Valid
B
FBUSY flag
X
No Longer Valid
Symbol
Parameter
Min
Typ
Max
Unit
TSVRL
Input PSEN# Valid to RST Edge
50
ns
TRLSX
Input PSEN# Hold after RST Edge
50
ns
TBHBL
Flash/EEPROM Internal Busy
(Programming) Time
10
ms
RST
TSVRL
PSEN#1
TRLSX
FBUSY bit
TBHBL



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