AT90USB82 datasheet(261/306 Pages) ATMEL

Part #	AT90USB82

Description	8-bit Microcontroller with 8/16K Bytes of ISP Flash

PDF	306 Pages

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Manufacturer	ATMEL [ATMEL Corporation]

Direct Link	http://www.atmel.com

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261 / 306 page

261

7707D–AVR–07/08

AT90USB82/162

Note:

a = address high bits, b = address low bits, c = address extended bits, H = 0 - Low byte, 1 - High Byte, o = data out, i = data in,

x = don’t care

25.8.2

Serial Programming Characteristics

For characteristics of the Serial Programming module see “SPI Timing Characteristics” on page

265.

Read Extended Fuse Bits

0101 0000

0000 1000

xxxx xxxx

oooo oooo

Read Extended Fuse bits. “0” = pro-

grammed, “1” = unprogrammed. See

Table 25-3 on page 244 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 25-16. Serial Programming Instruction Set (Continued)

Instruction

Instruction Format

Operation

Byte 1

Byte 2

Byte 3

Byte4

AT90USB82 Datasheet(PDF) 261 Page - ATMEL Corporation