Rainbow Electronics Atmega169L - Manual (Page 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’t care
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 bb 00 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.
Write Fuse bits 1010 1100 1010 0000 xxxx xxxx iiii iiii Set bits = “0” to program, “1” to
unprogram. See Table 88 on page 204
for details.
Write Fuse High bits 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
Operation Byte 1 Byte 2 Byte 3 Byte4