ATMEGA329P-20MN Atmel, ATMEGA329P-20MN Datasheet - Page 425
![IC MCU AVR 32K 20MHZ 64QFN](/photos/12/13/121326/313-64-qfn_sml.jpg)
ATMEGA329P-20MN
Manufacturer Part Number
ATMEGA329P-20MN
Description
IC MCU AVR 32K 20MHZ 64QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA329P-20MN
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
SPI, UART/USART, USI
Peripherals
Brown-out Detect/Reset, LCD, 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
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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8021G–AVR–03/11
27 Memory Programming ......................................................................... 296
28 Electrical Characteristics .................................................................... 330
29 Typical Characteristics ........................................................................ 342
30 Register Summary ............................................................................... 403
31 Instruction Set Summary .................................................................... 407
32 Ordering Information ........................................................................... 410
26.4Read-While-Write and No Read-While-Write Flash Sections ..............................282
26.5Boot Loader Lock Bits .........................................................................................284
26.6Entering the Boot Loader Program ......................................................................286
26.7Addressing the Flash During Self-Programming .................................................286
26.8Self-Programming the Flash ................................................................................287
26.9Register Description ............................................................................................294
27.1Program And Data Memory Lock Bits .................................................................296
27.2Fuse Bits .............................................................................................................297
27.3Signature Bytes ...................................................................................................299
27.4Calibration Byte ...................................................................................................299
27.5Page Size ............................................................................................................299
27.6Parallel Programming Parameters, Pin Mapping, and Commands .....................299
27.7Parallel Programming ..........................................................................................302
27.8Programming via the JTAG Interface ..................................................................317
28.1Absolute Maximum Ratings* ...............................................................................330
28.2DC Characteristics ..............................................................................................330
28.3Speed Grades .....................................................................................................333
28.4Clock Characteristics ...........................................................................................335
28.5System and Reset Characteristics ......................................................................336
28.6Standard Power-on Reset ...................................................................................336
28.7Enhanced Power-on Reset .................................................................................337
28.8Brown-out Detection ............................................................................................337
28.9SPI Timing Characteristics ..................................................................................338
28.10ADC Characteristics – Preliminary Data ............................................................340
28.11LCD Controller Characteristics ..........................................................................341
29.1ATmega329P ......................................................................................................343
29.2ATmega3290P ....................................................................................................373
32.1ATmega329P ......................................................................................................410
ATmega329P/3290P
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