Rainbow-electronics ATmega8515L Manual de usuario descargar pdf (Pagina 192)

192

ATmega8515(L)

2512A–AVR–04/02

Note: a = address highbits

b = address lowbits

H = 0 -Lowbyte, 1 -HighByte

o =data out

i =data in

x=don’t care

Table 94. Serial Programming Instruction Set

Instruction

Instruction Format

OperationByte 1 Byte 2 Byte 3 Byte4

Programming Enable

1010 1100 0101 0011 xxxx xxxx xxxx xxxx Enable Serial Programming after

RESET

goeslow.

ChipErase 1010 1100 100x xxxx xxxx xxxx xxxx xxxx ChipErase EEPROM andFlash.

Read Program Memory

0010 H000 0000 aaaa bbbb bbbb oooo oooo Read H (high orlow) data o from

Program memory at word address

a:b.

Load Program Memory

Page

0100 H000 0000 xxxx xxxb bbbb iiii iiii Write H (high orlow) data i to

Program Memory page at word

address b. Data lowbyte must be

loadedbefore Data highbyte is

appliedwithin the same address.

Write Program Memory

Page

0100 1100 0000 aaaa bbbx xxxx xxxx xxxx Write Program Memory Page at

address a:b.

ReadEEPROM Memory

1010 0000 00xx xxxa bbbb bbbb oooo oooo Readdata o from EEPROM

memory at address a:b.

Write EEPROM Memory

1100 0000 00xx xxxa bbbb bbbb iiii iiii Write data i to EEPROM memory at

address a:b.

ReadLock Bits

0101 1000 0000 0000 xxxx xxxx xxoo oooo ReadLock bits.“0”=programmed,

“1” = unprogrammed. See

Table

81 on page 175

fordetails.

Write Lock Bits

1010 1100 111x xxxx xxxx xxxx 11ii iiii Write Lock bits. Set bits=“0” to

program Lock bits. See

Table81

on page 175

fordetails.

ReadSignature Byte

0011 0000 00xx xxxx xxxx xxbb oooo oooo ReadSignature Byte o at address

Write Fuse Bits

1010 1100 1010 0000 xxxx xxxx iiii iiii Set bits=“0” to program, “1” to

unprogram. See

Table84on

page 177

fordetails.

Write Fuse HighBits

1010 1100 1010 1000 xxxx xxxx iiii iiii Set bits=“0” to program, “1” to

unprogram. See

Table83 on

page 176

fordetails.

ReadFuse Bits

0101 0000 0000 0000 xxxx xxxx oooo oooo ReadFuse bits.“0”=programmed,

“1” = unprogrammed. See

Table

84 on page 177

fordetails.

ReadFuse HighBits

0101 1000 0000 1000 xxxx xxxx oooo oooo ReadFuse highbits.“0”=pro-

grammed, “1” = unprogrammed.

See

Table83 on page 176 for

details.

ReadCalibration Byte 0011 1000 00xx xxxx 0000 0000 oooo oooo ReadCalibration Byte

1 2 ... 187 188 189 190 191 192 193 194 195 196 197 ... 222 223

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