Rainbow-electronics Atmega169L Bedienungsanleitung PDF herunterladen (Seite 282)

282

ATmega169V/L

2514A–AVR–08/02

Note: a = address high bits, b = address low bits, H = 0 - Low byte, 1 - High Byte, o = data out, i = data in, x = don’tcare

Write EEPROM Memory 1100 0000 000x xxaa bbbb bbbb iiii iiii Write data i to EEPROM memory at

address a:b.

Load EEPROM Memory

Page (page access)

1100 0001 0000 0000 0000 00bb iiii iiii Load data i to EEPROM memory page

buffer. After data is loaded, program

EEPROM page.

Write EEPROM Memory

Page (page access)

1100 0010 00xx xxaa bbbb bb00 xxxx xxxx

Write EEPROM page at address a:b.

Read Lock bits 0101 1000 0000 0000 xxxx xxxx xxoo oooo Read Lock bits. “0” = programmed, “1”

= unprogrammed. See Table 116 on

page 265 for details.

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

program Lock bits. See Table 116 on

page 265 for details.

Read Signature Byte 0011 0000 000x xxxx xxxx xxbb oooo oooo Read Signature Byte o at address b.

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

unprogram. See Table 88 on page 204

for details.

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

unprogram. See Table 87 on page 196

for details.

Write Extended Fuse Bits 1010 1100 1010 0100 xxxx xxxx xxxx xxii Set bits = “0” to program, “1” to

unprogram. See

Table 118 on page

266

for details.

Read Fuse bits 0101 0000 0000 0000 xxxx xxxx oooo oooo Read Fuse bits. “0” = programmed, “1”

= unprogrammed. See Table 88 on

page 204 for details.

Read Fuse High bits 0101 1000 0000 1000 xxxx xxxx oooo oooo Read Fuse High bits. “0” =pro-

grammed, “1” = unprogrammed. See

Table 87 on page 196 for details.

Read Extended Fuse Bits 0101 0000 0000 1000 xxxx xxxx oooo oooo Read Extended Fuse bits. “0” =pro-

grammed, “1” = unprogrammed. See

Table 118 on page 266 for details.

Read Calibration Byte 0011 1000 000x xxxx 0000 0000 oooo oooo Read Calibration Byte

Poll RDY/BSY

1111 0000 0000 0000 xxxx xxxx xxxx xxxo If o = “1”, a programming operation is

still busy. Wait until this bit returns to

“0” before applying another command.

Table 130. Serial Programming Instruction Set

Instruction

Instruction Format

OperationByte 1 Byte 2 Byte 3 Byte4

1 2 ... 277 278 279 280 281 282 283 284 285 286 287 ... 316 317

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