ATMEGA32U2-MU Atmel, ATMEGA32U2-MU Datasheet - Page 267
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ATMEGA32U2-MU
Manufacturer Part Number
ATMEGA32U2-MU
Description
MCU AVR USB 32K FLASH IND 32VQFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA32U2-MU
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
Processor Series
ATMEGA32x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
2.5 KB
Interface Type
SPI, UART
Maximum Clock Frequency
16 MHz
Number Of Programmable I/os
22
Number Of Timers
2
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, AT90USBKEY, ATEVK525
Minimum Operating Temperature
- 40 C
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
Data Converters
-
Lead Free Status / Rohs Status
Details
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26.4.3
26.5
Table 26-3.
Note:
7799D–AVR–11/10
Symbol
V
V
V
V
t
t
V
CCRR
t
I
RST
BOD
HYST
POR
POT
BG
BG
BG
System and Reset Characteristics
The POR will not work unless the supply voltage has been below VPOT (falling)
External Clock Drive
Power-on Reset Threshold Voltage (rising)
Power-on Reset Threshold Voltage (falling)
V
V
Minimum pulse width on RESET Pin
Brown-out Detector Hysteresis
Min Pulse Width on Brown-out Reset
Bandgap reference voltage
Bandgap reference start-up time
Bandgap reference current consumption
Reset, Brown-out and Internal Voltage Reference Characteristics
CC
CC
Start Voltage to ensure internal Power-on Reset signal
Rise Rate to ensure internal Power_on Reset signal
Table 26-2.
Note:
Symbol
1/t
Δ
t
t
t
t
t
CHCX
CLCH
CHCL
CLCL
CLCX
t
CLCL
CLCL
All DC Characteristics contained in this datasheet are based on simulation and characterization of
other AVR microcontrollers manufactured in the same process technology. These values are pre-
liminary values representing design targets, and will be updated after characterization of actual
silicon.
Parameter
External Clock Drive
Parameter
Oscillator Frequency
Clock Period
High Time
Low Time
Rise Time
Fall Time
Change in period from
one clock cycle to the
next
(Note:)
Min.
125
50
50
0
V
CC
V
Condition
CC
5V, 25°C
=2.7-5.5V
5.5V
= 2.7V -
ATmega8U2/16U2/32U2
-
-
Max.
1.6
1.6
8
2
Min
-0.1
1.0
0.3
Min.
62.5
25
25
0
V
CC
Typ
400
=4.5-5.5V
1.4
1.3
1.1
50
40
10
Max.
0.5
0.5
16
2
Max
2.3
2.3
0.1
1.2
70
Units
Units
MHz
V/ms
mV
µA
ns
ns
ns
μs
μs
%
ns
ns
µs
V
V
V
V
267
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