ATMEGA325P-20MU Atmel, ATMEGA325P-20MU Datasheet - Page 335
ATMEGA325P-20MU
Manufacturer Part Number
ATMEGA325P-20MU
Description
IC MCU AVR 32K FLASH 64-QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA3250P-20AU.pdf
(364 pages)
Specifications of ATMEGA325P-20MU
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
SPI, UART/USART, USI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
54
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)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-MLF®, 64-QFN
Processor Series
ATMEGA32x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
2 KB
Interface Type
SPI, UART, USI
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
54
Number Of Timers
3
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
10 bit, 8 Channel
For Use With
ATSTK600-TQFP64 - STK600 SOCKET/ADAPTER 64-TQFP770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAGATAVRISP2 - PROGRAMMER AVR IN SYSTEM
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
ATMEGA325P-16MU
ATMEGA325P-16MU
ATMEGA325P-16MU
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27.10 Internal Oscillator Speed
335
ATmega325P/3250P
Figure 27-40. Watchdog Oscillator Frequenzy vs. V
Figure 27-41. Watchdog Oscillator Frequenzy vs. Temperature
170
160
150
140
130
170
165
160
155
150
145
140
1.5
-60
WATCHDOG OSCILLATOR FREQUENCY vs. TEMPERATURE
-40
2
WATCHDOG OSCILLATOR FREQUENCY vs. V
2.5
-20
3
0
Temperature
V
CC
3.5
20
(V)
CC
40
4
4.5
60
CC
80
5
5.5 V
4.0 V
3.3 V
2.7 V
2.1 V
5.5
100
-40 °C
25 °C
85 °C
8023F–AVR–07/09
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