ATMEGA32-16MU Atmel, ATMEGA32-16MU Datasheet - Page 246
![IC AVR MCU 32K 16MHZ 5V 44-QFN](/photos/12/13/121316/313-44-qfn_sml.jpg)
ATMEGA32-16MU
Manufacturer Part Number
ATMEGA32-16MU
Description
IC AVR MCU 32K 16MHZ 5V 44-QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA32-16MU
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
32
Program Memory Size
32KB (16K x 16)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-VQFN Exposed Pad
Processor Series
ATMEGA32x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
2 KB
Interface Type
2-Wire/SPI/USART
Maximum Clock Frequency
16 MHz
Number Of Programmable I/os
32
Number Of Timers
3
Operating Supply Voltage
4.5 V to 5.5 V
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
8-ch x 10-bit
Controller Family/series
AVR MEGA
No. Of I/o's
32
Eeprom Memory Size
1KB
Ram Memory Size
2KB
Cpu Speed
16MHz
Rohs Compliant
Yes
For Use With
ATSTK524 - KIT STARTER ATMEGA32M1/MEGA32C1ATSTK600-TQFP32 - STK600 SOCKET/ADAPTER 32-TQFPATSTK600-TQFP44 - STK600 SOCKET/ADAPTER 44-TQFPATSTK600 - DEV KIT FOR AVR/AVR32770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAGATAVRDRAGON - KIT DRAGON 32KB FLASH MEM AVRATAVRISP2 - PROGRAMMER AVR IN SYSTEMATJTAGICE2 - AVR ON-CHIP D-BUG SYSTEMATSTK500 - PROGRAMMER AVR STARTER KIT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Boot Loader Lock
Bits
2503Q–AVR–02/11
Figure 125. Memory Sections
Note:
If no Boot Loader capability is needed, the entire Flash is available for application code. The
Boot Loader has two separate sets of Boot Lock bits which can be set independently. This gives
the user a unique flexibility to select different levels of protection.
The user can select:
•
•
•
•
See
Serial or Parallel Programming mode, but they can be cleared by a Chip Erase command only.
The general Write Lock (Lock Bit mode 2) does not control the programming of the Flash mem-
ory by SPM instruction. Similarly, the general Read/Write Lock (Lock Bit mode 3) does not
control reading nor writing by LPM/SPM, if it is attempted.
To protect the entire Flash from a software update by the MCU
To protect only the Boot Loader Flash section from a software update by the MCU
To protect only the Application Flash section from a software update by the MCU
Allow software update in the entire Flash
Table 95
1. The parameters in the figure above are given in
Boot Loader Flash Section
Boot Loader Flash Section
Application Flash Section
Application Flash Section
Application Flash Section
Application Flash Section
and
Program Memory
Program Memory
BOOTSZ = '11'
BOOTSZ = '01'
Table 96
for further details. The Boot Lock bits can be set in software and in
(1)
$0000
End RWW
Start NRWW
End Application
Start Boot Loader
Flashend
$0000
End RWW
Start NRWW
End Application
Start Boot Loader
Flashend
Boot Loader Flash Section
Boot Loader Flash Section
Application Flash Section
Application Flash Section
Application flash Section
Table 99 on page
Program Memory
Program Memory
BOOTSZ = '10'
BOOTSZ = '00'
ATmega32(L)
255.
$0000
End RWW
Start NRWW
End Application
Start Boot Loader
Flashend
$0000
End RWW, End Application
Start NRWW, Start Boot Loader
Flashend
246
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