ATmega32U4 Atmel Corporation, ATmega32U4 Datasheet - Page 344

• Manufacturer Part Number: ATmega32U4
• Manufacturer: Atmel Corporation

Specifications of ATmega32U4

• Flash (kbytes): 32 Kbytes
• Pin Count: 44
• Max. Operating Frequency: 16 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 14
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 26
• Ext Interrupts: 13
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 2
• Twi (i2c): 1
• Uart: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 12
• Adc Resolution (bits): 10
• Adc Speed (ksps): 15
• Analog Comparators: 1
• Resistive Touch Screen: No
• Temp. Sensor: Yes
• Crypto Engine: No
• Sram (kbytes): 3.3
• Eeprom (bytes): 1024
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 2.7 to 5.5
• Operating Voltage (vcc): 2.7 to 5.5
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 4
• Output Compare Channels: 12
• Input Capture Channels: 2
• Pwm Channels: 8
• 32khz Rtc: No
• Calibrated Rc Oscillator: Yes

27.7.14
7766F–AVR–11/10
ATmega16U4/ATmega32U4 Boot Loader Parameters
In
ming are given.
Table 27-8.
Note:
Table 27-9.
Note:
Device
ATmega32U4
ATmega16U4
Table 27-8
1
1
0
0
1
1
0
0
1. The different BOOTSZ Fuse configurations are shown in
1. For details about these two section, see
1
0
1
0
1
0
1
0
331
256 words
512 words
1024 words
2048 words
256 words
512 words
1024 words
2048 words
through
Boot Size Configuration (Word Addresses)
Read-While-Write Limit (Word Addresses)
and
“RWW – Read-While-Write Section” on page
Section
Read-While-Write section (RWW)
No Read-While-Write section (NRWW)
Read-While-Write section (RWW)
No Read-While-Write section (NRWW)
Table
4
8
16
32
4
8
16
32
27-10, the parameters used in the description of the Self-Program-
0x0000 - 0x3EFF
0x0000 - 0x3DFF
0x0000 - 0x3BFF
0x0000 - 0x37FF
0x0000 - 0x1EFF
0x0000 - 0x1DFF
0x0000 - 0x1BFF
0x0000 - 0x17FF
“NRWW – No Read-While-Write Section” on page
0x3E00 - 0x3FFF
0x3C00 - 0x3FFF
0x3800 - 0x3FFF
0x1E00 - 0x1FFF
0x1C00 - 0x1FFF
0x1800 - 0x1FFF
0x3F00 - 0x3FFF
0x1F00 - 0x1FFF
(1)
(1)
331.
Figure 27-2
Pages
ATmega16/32U4
224
32
97
32
0x3EFF
0x3DFF
0x3BFF
0x37FF
0x1EFF
0x1DFF
0x1BFF
0x17FF
Address
0x0000 - 0x37FF
0x3800 - 0x3FFF
0x0000 - 0x17FF
0x1800 - 0x1FFF
0x3F00
0x3E00
0x3C00
0x3800
0x1F00
0x1E00
0x1C00
0x1800
344