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ATmega162 датащи(PDF) 243 Page - ATMEL Corporation

номер детали ATmega162
подробное описание детали  8-bit Microcontroller with 16K Bytes In-System Programmable Flash
PDF  324 Pages
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производитель  ATMEL [ATMEL Corporation]
домашняя страница  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

ATmega162 датащи(HTML) 243 Page - ATMEL Corporation

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243
2513K–AVR–07/09
ATmega162/V
Reading the
Calibration Byte
The algorithm for reading the calibration byte is as follows (refer to “Programming the Flash” on
page 237 for details on Command and Address loading):
1.
A: Load Command “0000 1000”.
2.
B: Load Address Low Byte, 0x00.
3.
Set OE to “0”, and BS1 to “1”. The Calibration byte can now be read at DATA.
4.
Set OE to “1”.
Parallel Programming
Characteristics
Figure 102. Parallel Programming Timing, Including some General Timing Requirements
Figure 103. Parallel Programming Timing, Loading Sequence with Timing Requirements
(1)
Note:
1. The timing requirements shown in Figure 102 (i.e., tDVXH, tXHXL, and tXLDX) also apply to load-
ing operation.
Data & Contol
(DATA, XA0/1, BS1, BS2)
XTAL1
t
XHXL
t
WLWH
t
DVXH
t
XLDX
t
PLWL
t
WLRH
WR
RDY/BSY
PAGEL
t
PHPL
t
PLBX
t
BVPH
t
XLWL
t
WLBX
t
BVWL
WLRL
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)



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