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ATmega162 датащи(PDF) 260 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) 260 Page - ATMEL Corporation

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260
2513K–AVR–07/09
ATmega162/V
Figure 112. Virtual Flash Page Read Register
Programming
Algorithm
All references below of type “1a”, “1b”, and so on, refer to Table 111.
Entering Programming
Mode
1.
Enter JTAG instruction AVR_RESET and shift one in the Reset Register.
2.
Enter instruction PROG_ENABLE and shift 1010_0011_0111_0000 in the Programming
Enable Register.
Leaving Programming
Mode
1.
Enter JTAG instruction PROG_COMMANDS.
2.
Disable all programming instructions by using no operation instruction 11a.
3.
Enter instruction PROG_ENABLE and shift 0000_0000_0000_0000 in the Programming
Enable Register.
4.
Enter JTAG instruction AVR_RESET and shift 0 in the Reset Register.
Performing Chip Erase
1.
Enter JTAG instruction PROG_COMMANDS.
2.
Start Chip Erase using programming instruction 1a.
3.
Poll for Chip Erase complete using programming instruction 1b, or wait for t
WLRH_CE (refer
to Table 107 on page 244).
Programming the
Flash
Before programming the Flash a Chip Erase must be performed. See “Performing Chip Erase”
on page 260.
1.
Enter JTAG instruction PROG_COMMANDS.
2.
Enable Flash write using programming instruction 2a.
3.
Load address high byte using programming instruction 2b.
4.
Load address low byte using programming instruction 2c.
5.
Load data using programming instructions 2d, 2e and 2f.
6.
Repeat steps 4 and 5 for all instruction words in the page.
TDI
TDO
D
A
T
A
Flash
EEPROM
Fuses
Lock Bits
STROBES
ADDRESS
State
Machine



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