AT90PWM2 datasheet(299/365 Pages) ATMEL

299 / 365 page

299

4317K–AVR–03/2013

AT90PWM2/3/2B/3B

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

25.9.4

SPI Serial Programming Characteristics

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

299.

Write Fuse High bits

1010 1100

1010 1000

xxxx xxxx

iiii iiii

Set bits = “0” to program, “1” to

unprogram. See Table 25-5 on page

283 for details.

Write Extended Fuse Bits

1010 1100

1010 0100

xxxx xxxx

xxxx xxii

Set bits = “0” to program, “1” to

unprogram. See

Table 25-4 on page

282 for details.

Read Fuse bits

0101 0000

0000 0000

xxxx xxxx

oooo oooo

Read Fuse bits. “0” = programmed, “1”

= unprogrammed. See Table XXX on

page XXX 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 25-5 on page 283 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 25-4 on page 282 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

AT90PWM2 데이터시트(PDF) 299 Page - ATMEL Corporation

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