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AT89C51AC3-RDTIM 数据表(PDF) 132 Page - ATMEL Corporation

部件名 AT89C51AC3-RDTIM
功能描述  Enhanced 8-bit Microcontroller with 64KB Flash Memory
PDF  141 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) 132 Page - ATMEL Corporation

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AT89C51AC3
4383A–8051–10/04
Flash 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
RRST
V
Valid
B
FBUSY flag
X
No Longer Valid
Symbol
Parameter
Min
Typ
Max
Unit
T
SVRL
Input PSEN# Valid to RST Edge
50
ns
T
RLSX
Input PSEN# Hold after RST Edge
50
ns
T
BHBL
Flash Internal Busy (Programming) Time
10
ms
RST
T
SVRL
PSEN#1
T
RLSX
FBUSY bit
T
BHBL



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