ATMEGA16U2-16AU Atmel, ATMEGA16U2-16AU Datasheet - Page 263

• Manufacturer Part Number: ATMEGA16U2-16AU
• Description: 8-bit Microcontrollers - MCU 16K Flash
• Manufacturer: Atmel

Specifications of ATMEGA16U2-16AU

• Product Category: 8-bit Microcontrollers - MCU
• Rohs: yes
• Core: AVR
• Data Bus Width: 8 bit
• Program Memory Size: 16 KB
• Data Ram Size: 1.25 KB
• Data Rom Size: 512 B
• Program Memory Type: Flash
• Factory Pack Quantity: 1250

Table 25-16. Serial Programming Instruction Set (Continued)
Note:
25.9.2
7799D–AVR–11/10
Instruction
Read Extended Fuse Bits
Read Calibration Byte
Poll RDY/BSY
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
Serial Programming Characteristics
For characteristics of the Serial Programming module see
269.
0101 0000
0011 1000
1111 0000
Byte 1
0000 1000
000x xxxx
0000 0000
Byte 2
Instruction Format
xxxx xxxx
0000 0000
xxxx xxxx
Byte 3
oooo oooo
oooo oooo
xxxx xxxo
Byte4
ATmega8U2/16U2/32U2
“SPI Timing Characteristics” on page
Operation
Read Extended Fuse bits. “0” = pro-
grammed, “1” = unprogrammed. See
Table 25-3 on page 247
Read Calibration Byte
If o = “1”, a programming operation is
still busy. Wait until this bit returns to
“0” before applying another command.
for details.
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