ATMEga64L ATMEL Corporation, ATMEga64L Datasheet - Page 311

• Manufacturer Part Number: ATMEga64L
• Description: 8-bit AVR Microcontroller with 64K Bytes In-System Programmable Flash
• Manufacturer: ATMEL Corporation

Table 130. SPI Serial Programming Instruction Set (Continued)
Note:
SPI Serial Programming
Characteristics
2490G–AVR–03/04
Instruction
Read Extendend Fuse
Bits
Read Fuse High Bits
Read Calibration Byte
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
0101 0000
0101 1000
0011 1000
Byte 1
For characteristics of the SPI module, see “SPI Timing Characteristics” on page 331.
0000 1000
0000 1000
00xx xxxx
Byte 2
Instruction Format
xxxx xxxx
xxxx xxxx
0000 00bb
Byte 3
oooo oooo
oooo oooo
oooo oooo
Byte4
Operation
Read Extended Fuse bits. “0” =
pro-grammed, “1” =
unprogrammed. See Table 120 on
page 292 for details.
Read Fuse high bits. “0” = pro-
grammed, “1” = unprogrammed.
See Table 119 on page 292 for
details.
Read Calibration Byte o at address
b.
ATmega64(L)
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