Megaavr ® 0-Series Overview; Memory Overview - Microchip Technology megaAVR 0 Series Manual

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2. megaAVR
The figure below shows the megaAVR
• Vertical migration is possible without code modification, as these devices are fully pin and feature
compatible.
• Horizontal migration to the left reduces the pin count and therefore the available features.
Figure 2-1. megaAVR
Devices with different Flash memory size typically also have different SRAM and EEPROM.
The name of a device in the megaAVR
Figure 2-2. megaAVR
2.1

Memory Overview

Table 2-1. Memory Overview
Memory Type
Flash
SRAM
EEPROM
User row
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2018 Microchip Technology Inc.
0-series Overview
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0-series devices, laying out pin count variants and memory sizes:
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0-series Overview
Flash
48KB
ATmega4808
32KB
ATmega3208
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0-series is decoded as follows:
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Device Designations
AT mega 4809 - MFR
Flash size in KB
Series name
Pin count
9=48 pins
8=32 pins (SSOP: 28 pins)
ATmega320x
32 KB
4 KB
256B
64B
ATmega4809
ATmega3209
28/32 48
Datasheet Preliminary
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megaAVR 0-Series
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megaAVR 0-series Overview
Pins
Carrier Type
R=Tape & Reel
Temperature Range
F=-40°C to +125°C
Package Type
A=TQFP
M=QFN
X=SSOP
ATmega480x
48 KB
6 KB
256B
64B
DS40002015A-page 9