ATMEGA64L-8MI View Datasheet(PDF) - Atmel Corporation

Part Name

Description

Manufacturer

ATMEGA64L-8MI

8-bit AVR® Microcontroller with 64K Bytes In-System Programmable Flash

Atmel Corporation 

ATmega64(L)

Table 130. SPI Serial Programming Instruction Set (Continued)

Instruction Format

Instruction

Byte 1

Byte 2

Byte 3

Byte4

Operation

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 292 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 292 for

details.

Read Calibration Byte

0011 1000

00xx xxxx

0000 00bb

oooo oooo Read Calibration Byte o at address

b.

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

SPI Serial Programming

Characteristics

For characteristics of the SPI module, see “SPI Timing Characteristics” on page 331.

2490G–AVR–03/04

311

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