ATMEGA32U4-AU Atmel, ATMEGA32U4-AU Datasheet - Page 350

MCU AVR 32K FLASH 16MHZ 44-TQFP

ATMEGA32U4-AU

Manufacturer Part Number
ATMEGA32U4-AU
Description
MCU AVR 32K FLASH 16MHZ 44-TQFP
Manufacturer
Atmel
Series
AVR® ATmegar

Specifications of ATMEGA32U4-AU

Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
I²C, SPI, UART/USART, USB
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
26
Program Memory Size
32KB (16K x 16)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
2.5K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
44-TQFP, 44-VQFP
Processor Series
ATMEGA32x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
2.5 KB
Interface Type
SPI/TWI/USART
Maximum Clock Frequency
16 MHz
Number Of Programmable I/os
26
Number Of Timers
5
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
Minimum Operating Temperature
- 40 C
On-chip Adc
12-ch x 10-bit
Cpu Family
ATmega
Device Core
AVR
Device Core Size
8b
Frequency (max)
16MHz
Total Internal Ram Size
2.5KB
# I/os (max)
26
Number Of Timers - General Purpose
5
Operating Supply Voltage (typ)
3.3/5V
Operating Supply Voltage (max)
5.5V
Operating Supply Voltage (min)
2.7V
Instruction Set Architecture
RISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
44
Package Type
TQFP
Controller Family/series
AVR MEGA
No. Of I/o's
26
Eeprom Memory Size
1KB
Ram Memory Size
2.5KB
Cpu Speed
16MHz
Rohs Compliant
Yes
For Use With
ATSTK524 - KIT STARTER ATMEGA32M1/MEGA32C1ATSTK600 - DEV KIT FOR AVR/AVR32ATAVRDRAGON - KIT DRAGON 32KB FLASH MEM AVRATSTK500 - PROGRAMMER AVR STARTER KIT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
ATMEGA32U4-16AU
ATMEGA32U4-16AU

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATMEGA32U4-AU
Manufacturer:
FREESCALE
Quantity:
125
Part Number:
ATMEGA32U4-AU
Manufacturer:
Atmel
Quantity:
10 000
Part Number:
ATMEGA32U4-AU
Manufacturer:
MICROCHIP
Quantity:
200
Part Number:
ATMEGA32U4-AUR
Manufacturer:
Atmel
Quantity:
10 000
7766F–AVR–11/10
Figure 28-1. Parallel Programming
Note:
Table 28-6.
Table 28-7.
BS2
0
0
1
1
Programming Mode
Signal Name in
RDY/BSY
PAGEL
1. Unused Pins should be left floating.
DATA
BS1
XA0
XA1
BS2
WR
BS1
0
1
0
1
OE
Pin Name Mapping
BS2 and BS1 Encoding
Flash /
EEPROM
Address
Low Byte
High Byte
Extended High
Byte
Reserved
Pin Name
RDY/BSY
PB7-0
PD1
PD2
PD3
PD4
PD5
PD6
PD7
PE6
PAGEL
+12 V
BS2
BS1
XA0
XA1
WR
OE
Flash Data
Loading /
Reading
Low Byte
High Byte
Reserved
Reserved
I/O
I/O
(1)
O
I
I
I
I
I
I
I
PD1
PD2
PD3
PD4
PD5
PD6
PD7
RESET
XTAL1
GND
PE6
Function
0: Device is busy programming, 1: Device is
ready for new command.
Output Enable (Active low).
Write Pulse (Active low).
Byte Select 1.
XTAL Action Bit 0
XTAL Action Bit 1
Program Memory and EEPROM data Page Load.
Byte Select 2.
Bi-directional Data bus (Output when OE is low).
PB7 - PB0
Fuse
Programming
Low Byte
High Byte
Extended Byte
Reserved
AVCC
VCC
+5V
+5V
ATmega16/32U4
DATA
Reading Fuse
and Lock Bits
Fuse Low Byte
Lock bits
Extended Fuse
Byte
Fuse High Byte
350

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