ATMEGA325P-20MU Atmel, ATMEGA325P-20MU Datasheet - Page 362
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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ATmega325P/3250P
25 Memory Programming ......................................................................... 271
26 Electrical Characteristics .................................................................... 304
27
28 Register Summary ............................................................................... 342
Typical Characteristics ....................................................................... 314
24.9Register Description ............................................................................................269
25.1Program And Data Memory Lock Bits .................................................................271
25.2Fuse Bits .............................................................................................................272
25.3Signature Bytes ...................................................................................................274
25.4Calibration Byte ...................................................................................................274
25.5Parallel Programming Parameters, Pin Mapping, and Commands .....................274
25.6Parallel Programming ..........................................................................................276
25.7Serial Downloading .............................................................................................285
25.8Programming via the JTAG Interface ..................................................................291
26.1Absolute Maximum Ratings* ...............................................................................304
26.2DC Characteristics ..............................................................................................304
26.3Speed Grades .....................................................................................................306
26.4Clock Characterizations ......................................................................................307
26.5System and Reset Characterizations ..................................................................308
26.6Standard Power-on Reset ...................................................................................308
26.7Enhanced Power-on Reset .................................................................................308
26.8Brown-out Detection ............................................................................................309
26.9SPI Timing Characteristics ..................................................................................310
26.10ADC Characteristics – Preliminary Data ............................................................312
27.1Active Supply Current ..........................................................................................314
27.2Idle Supply Current ..............................................................................................316
27.3Supply Current of I/O modules ............................................................................318
27.4Power-down Supply Current ...............................................................................319
27.5Power-save Supply Current ................................................................................320
27.6Standby Supply Current ......................................................................................321
27.7Pin Pull-up ...........................................................................................................321
27.8Pin Driver Strength ..............................................................................................324
27.9Pin Threshold and Hysteresis .............................................................................330
27.10Internal Oscillator Speed ...................................................................................335
27.11Current Consumption of Peripheral Units ..........................................................337
27.12Current Consumption in Reset and Reset Pulswidth ........................................340
8023F–AVR–07/09
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