Rainbow Electronics ATmega128L - Manual (Page 296)

296
ATmega128(L)
2467B–09/01
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 Fuse Bits 1010 1100 1010 0000 xxxx xxxx iiii iiii Set bits = “0” to program, “1” to unprogram.
See
Table 120 on page 281
for details.
Write Fuse High Bits 1010 1100 1010 1000 xxxx xxxx iiii iiii Set bits = “0” to program, “1” to unprogram.
See
Table 119 on page 281
for details.
Write Extended Fuse
Bits 1010 1100 1010 0100 xxxx xxxx xxxx xxii Set bits = “0” to program, “1” to unprogram.
See
Table 120 on page 281
for details.
Read Fuse Bits 0101 0000 0000 0000 xxxx xxxx oooo oooo Read Fuse bits. “0” = programmed, “1” =
unprogrammed. See
Table 120 on page
281
for details.
Read Extendend
Fuse Bits 0101 0000 0000 1000 xxxx xxxx oooo oooo Read Extended Fuse bits. “0” = pro-grammed,
“1” = unprogrammed. See
Table 120 on
page 281
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 119 on page
281
for details.
Read Calibration Byte 0011 1000 xxxx xxxx 0000 0000 oooo oooo Read Calibration Byte o at address b.
Table 130. Serial Programming Instruction Set (Continued)
Instruction
Instruction Format
Operation Byte 1 Byte 2 Byte 3 Byte4