ATMEGA32U2-MUR Atmel, ATMEGA32U2-MUR Datasheet - Page 263

• Manufacturer Part Number: ATMEGA32U2-MUR
• Description: MCU AVR 32K FLASH 16MHZ 32VQFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA32U2-MUR

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: SPI, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 22
• Program Memory Size: 32KB (16K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 1K x 8
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Data Converters: -

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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