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ATmega128 датащи(PDF) 299 Page - ATMEL Corporation

номер детали ATmega128
подробное описание детали  8-bit Microcontroller with 128K Bytes In-System Programmable Flash
PDF  386 Pages
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производитель  ATMEL [ATMEL Corporation]
домашняя страница  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

ATmega128 датащи(HTML) 299 Page - ATMEL Corporation

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2467S–AVR–07/09
ATmega128
Figure 142. Parallel Programming Timing, Loading Sequence with Timing Requirements
Note:
The timing requirements shown in Figure 141 (i.e. tDVXH, tXHXL, and tXLDX) also apply to loading
operation.
Figure 143. Parallel Programming Timing, Reading Sequence (Within the Same Page) with
Timing Requirements
Note:
The timing requirements shown in Figure 141 (i.e. tDVXH, tXHXL, and tXLDX) also apply to reading
operation.
Table 126. Parallel Programming Characteristics, V
CC = 5 V ± 10%
Symbol
Parameter
Min
Typ
Max
Units
VPP
Programming Enable Voltage
11.5
12.5
V
IPP
Programming Enable Current
250
μA
tDVXH
Data and Control Valid before XTAL1 High
67
ns
tXLXH
XTAL1 Low to XTAL1 High
200
ns
tXHXL
XTAL1 Pulse Width High
150
ns
tXLDX
Data and Control Hold after XTAL1 Low
67
ns
tXLWL
XTAL1 Low to WR Low
0
ns
XTAL1
PAGEL
t
PLXH
XLXH
t
t
XLPH
ADDR0 (Low Byte)
DATA (Low Byte)
DATA (High Byte)
ADDR1 (Low Byte)
DATA
BS1
XA0
XA1
LOAD ADDRESS
(LOW BYTE)
LOAD DATA
(LOW BYTE)
LOAD DATA
(HIGH BYTE)
LOAD DATA
LOAD ADDRESS
(LOW BYTE)
XTAL1
OE
ADDR0 (Low Byte)
DATA (Low Byte)
DATA (High Byte)
ADDR1 (Low Byte)
DATA
BS1
XA0
XA1
LOAD ADDRESS
(LOW BYTE)
READ DATA
(LOW BYTE)
READ DATA
(HIGH BYTE)
LOAD ADDRESS
(LOW BYTE)
t
BHDV
t
OLDV
t
XLOL
t
OHDZ



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