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ATmega32U2 Scheda tecnica(PDF) 263 Page - ATMEL Corporation

Il numero della parte ATmega32U2
Spiegazioni elettronici  8-bit Microcontroller with 8/16/32K Bytes of ISP Flash and USB Controller
PDF  314 Pages
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Produttore elettronici  ATMEL [ATMEL Corporation]
Homepage  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

ATmega32U2 Scheda tecnica(HTML) 263 Page - ATMEL Corporation

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7799B–AVR–07/09
ATmega8U2/16U2/32U2
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
25.9.2
Serial Programming Characteristics
For characteristics of the Serial Programming module see “SPI Timing Characteristics” on page
269.
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 247 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



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