Microchip Technology Inc
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ATmega644P

Status: In Production

Overview
Documents
Development Environment
Similar Devices
RoHS Information
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Device Overview

Summary

Mature product; not recommended for new designs. Replaced by ATmega644PA.

Parametrics
Name
Value
Program Memory Type
Flash
Program Memory Size (KB)
64
CPU Speed (MIPS/DMIPS)
20
SRAM Bytes
4,096
Data EEPROM/HEF (bytes)
2048
Digital Communication Peripherals
2-UART, 3-SPI, 1-I2C
Capture/Compare/PWM Peripherals
1 Input Capture, 1 CCP, 6PWM
Timers
2 x 8-bit, 1 x 16-bit
Number of Comparators
1
Temperature Range (C)
-40 to 85
Operating Voltage Range (V)
1.8 to 5.5
Pin Count
44
Low Power
Yes

Documents

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Data Sheets

Application Notes

Download All

Device Documentation

12/10/2016
2468KB

User Guides

08/02/2017
312KB

White Papers

Development Environment

  • Demo & Evaluation Boards
Demo & Evaluation Boards
ATSTK600 Kit
ATSTK600 Kit ( ATSTK600 )

A complete starter kit and development system for the 8-bit and 32-bit AVR microcontrollers that gives designers a quick start to develop code on the AVR, with advanced features for prototyping and testing new designs.

The AVR device connects to the STK600 using an innovative routing and socketcard sandwich system, which routes the signals from the device to the appropriate...

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Atmel-ICE Full Kit
Atmel-ICE Full Kit ( ATATMEL-ICE )

Atmel-ICE is a powerful development tool for debugging and programming ARM® Cortex®-M based SAM and AVR microcontrollers with on-chip debug capability.

Atmel-ICE supports:

  • Programming and on-chip debugging of all AVR 32-bit MCUs on both JTAG and aWire interfaces
  • Programming and on-chip debugging of all AVR
...

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Power Debugger kit
Power Debugger kit ( ATPOWERDEBUGGER )

Power Debugger is a powerful development tool for debugging and programming AVR microcontrollers using UPDI, JTAG, PDI, debugWIRE, aWire, TPI or SPI target interfaces and ARM® Cortex®-M based SAM microcontrollers using JTAG or SWD target interfaces.

In addition the Power Debugger has two independent current sensing channels for measuring and optimizing the power consumption of

...

Learn More
Add To Cart

Similar Devices

Product
Pins
Flash (KB)
RAM (B)
Price 5K
Notes
16
2
0
$0.97
 
44
8
0
$0.62
 
64
32
2,048
 
 
64
128
4,096
$8.25
 
100
128
8,192
$7.72
 
64
128
8,192
$6.28
 
44
128
16,384
$3.46
 
44
128
16,384
$3.84
 
64
128
4,096
$3.97
 
44
16
1,024
$3.22
 
44
16
1,024
$2.22
 
44
16
1,024
$2.63
 
44
16
1,024
$2.45
 
44
16
1,024
$3.04
 
32
16
1,024
$2.07
 
32
16
1,024
$1.15
 
32
16
1,024
 
 
32
16
1,024
$2.28
 
32
16
1,024
$1.14
 
32
16
1,024
$1.80
 
32
16
1,024
$0.87
 
64
16
1,024
$2.37
 
64
16
1,024
$2.87
 
64
16
1,024
$2.61
 
64
16
1,024
$3.23
 
44
16
1,024
$2.00
 
100
256
8,192
$8.61
 
64
256
8,192
$8.51
 
44
32
2,048
$3.91
 
44
32
2,048
$2.51
 
44
32
2,048
$3.38
 
44
32
2,048
$2.77
 
44
32
2,048
$3.79
 
44
32
2
$1.33
 
64
32
2,048
$3.29
 
100
32
2,048
$3.47
 
100
32
2,048
$3.04
 
100
32
2,048
$3.47
 
100
32
2,048
$3.35
 
64
32
2,048
$2.78
 
64
32
2,048
$3.35
 
64
32
2,048
$2.91
 
32
32
2,048
$1.33
 
32
32
2,048
$1.46
 
32
32
2,048
$3.09
 
32
32
2,048
 
 
64
32
2,048
$3.64
 
100
32
2,048
$4.14
 
100
32
2,048
$3.29
 
100
32
2,048
$4.14
 
44
32
2,048
$3.65
 
64
32
2,048
$2.91
 
64
32
2,048
$3.64
 
64
32
2,048
$3.23
 
44
32
2,048
$2.26
 
32
4
512
$1.31
 
32
4
512
$0.77
 
32
4
512
$1.46
 
32
4
512
$0.89
 
32
4
512
$1.80
 
32
4
512
$0.76
 
64
64
4,096
$5.66
 
100
64
8,192
$5.65
 
44
64
4,096
$3.77
 
44
64
4,096
$3.04
 
44
64
4,096
$3.87
 
44
64
4,096
$3.54
 
44
64
4,096
$4.89
 
64
64
4,096
$4.31
 
100
64
4,096
$4.96
 
100
64
4,096
$3.01
 
100
64
4,096
$3.38
 
64
64
4,096
$3.51
 
64
64
4,096
$3.86
 
64
64
4,096
$5.26
 
100
64
4,096
$6.03
 
100
64
4,096
$3.38
 
100
64
4,096
$3.76
 
64
64
4,096
$3.86
 
64
64
4,096
$4.21
 
64
64
4,096
$3.16
 
32
8
1,024
$1.70
 
32
8
1,024
$1.84
 
32
8
1,024
$0.92
 
32
8
1,024
 
 
32
8
1,024
$1.90
 
32
8
1,024
$0.95
 
32
8
1,024
$2.35
 
32
8
1,024
$0.81
 
32
8
1,024
$1.39
 
6
1
32
$0.24
 
8
1
32
$0.41
 
14
1
32
$0.45
 
8
1
64
$0.68
 
8
1
64
$0.38
 
20
16
1,024
$0.69
 
20
16
512
$0.95
 
20
16
512
$2.01
 
14
2
128
$0.39
 
20
2
128
$1.15
 
20
2
128
$0.48
 
14
2
128
$1.15
 
14
2
128
$0.48
 
14
2
128
 
 
8
2
128
$0.54
 
8
2
128
$1.40
 
20
2
0
$1.30
 
20
2
128
$0.61
 
20
2
128
$1.34
 
28
2
0
$1.29
 
6
0.5
32
$0.24
 
20
4
256
$0.54
 
20
4
256
$0.56
 
20
4
256
$1.36
 
14
4
256
$1.20
 
14
4
256
$0.64
 
14
4
256
$0.51
 
14
4
256
$1.52
 
8
4
256
$0.61
 
8
4
256
 
 
20
4
256
$1.20
 
20
4
256
$0.64
 
20
4
256
 
 
32
4
256
$0.63
 
6
0.5
32
$0.24
 
32
8
512
$0.73
 
14
8
512
$1.39
 
14
8
512
$0.73
 
14
8
512
$0.56
 
14
8
512
$1.95
 
8
8
512
$0.69
 
8
8
512
$1.93
 
20
8
512
$1.45
 
20
8
512
$0.75
 
20
8
512
$1.38
 
20
8
512
$1.06
 
20
8
0
 
 
32
8
512
$0.63
 
32
8
512
$1.24
 
6
1
32
$0.24
 

RoHS Information

Part Number
Device Weight
Shipping Weight
Lead Count
Package Type
Package Width
Solder Composition
JEDEC Indicator
RoHS
China EFUP
ATMEGA644PV-10PU
6.500000
10.600000
40
PDIP
.600in
Matte Tin
e3
Rohs icon
efup china icon
ATMEGA644P-20PU
6.500000
10.600000
40
PDIP
.600in
Matte Tin
e3
Rohs icon
efup china icon
ATMEGA644P-20PQ
6.500000
10.600000
40
PDIP
.600in
Matte Tin
e3
Rohs icon
efup china icon
ATMEGA644PV-10PQ
6.500000
10.600000
40
PDIP
.600in
Matte Tin
e3
Rohs icon
efup china icon
ATMEGA644PA-PU
6.500000
10.600000
40
PDIP
.600in
Matte Tin
e3
Rohs icon
efup china icon
ATMEGA644P-20AUR
0.273300
0.599000
44
TQFP
10x10x1mm
Matte Tin
e3
Rohs icon
efup china icon
ATMEGA644PV-10AUR
0.273300
0.599000
44
TQFP
10x10x1mm
Matte Tin
e3
Rohs icon
efup china icon
ATMEGA644P-20AU
0.273300
1.187500
44
TQFP
10x10x1mm
Matte Tin
e3
Rohs icon
efup china icon
ATMEGA644P-20AQ
0.273300
1.187500
44
TQFP
10x10x1mm
Matte Tin
e3
Rohs icon
efup china icon
ATMEGA644PV-10AQR
0.273300
0.599000
44
TQFP
10x10x1mm
Matte Tin
e3
Rohs icon
efup china icon
ATMEGA644PV-10AU
0.273300
1.187500
44
TQFP
10x10x1mm
Matte Tin
e3
Rohs icon
efup china icon
ATMEGA644PA-AN
0.273300
1.187500
44
TQFP
10x10x1mm
Matte Tin
e3
Rohs icon
efup china icon
ATMEGA644PA-ANR
0.273300
0.599000
44
TQFP
10x10x1mm
Matte Tin
e3
Rohs icon
efup china icon
ATMEGA644PV-10AQ
0.273300
1.187500
44
TQFP
10x10x1mm
Matte Tin
e3
Rohs icon
efup china icon
ATMEGA644PA-AU
0.273300
1.187500
44
TQFP
10x10x1mm
Matte Tin
e3
Rohs icon
efup china icon
ATMEGA644PA-AUR
0.273300
0.599000
44
TQFP
10x10x1mm
Matte Tin
e3
Rohs icon
efup china icon
ATMEGA644P-20AQR
0.273300
0.599000
44
TQFP
10x10x1mm
Matte Tin
e3
Rohs icon
efup china icon
ATMEGA644PA-MUR
0.137900
0.061000
44
VQFN
7x7x1mm
Matte Tin
e3
Rohs icon
efup china icon
ATMEGA644PV-10MQR
0.137900
0.061000
44
VQFN
7x7x1mm
Matte Tin
e3
Rohs icon
efup china icon
ATMEGA644PV-10MU
0.137900
0.627778
44
VQFN
7x7x1mm
Matte Tin
e3
Rohs icon
efup china icon
ATMEGA644P-20MQR
0.137900
0.061000
44
VQFN
7x7x1mm
Matte Tin
e3
Rohs icon
efup china icon
ATMEGA644P-20MUR
0.137900
0.061000
44
VQFN
7x7x1mm
Matte Tin
e3
Rohs icon
efup china icon
ATMEGA644PV-10MQ
0.137900
0.627778
44
VQFN
7x7x1mm
Matte Tin
e3
Rohs icon
efup china icon
ATMEGA644PV-10MUR
0.137900
0.061000
44
VQFN
7x7x1mm
Matte Tin
e3
Rohs icon
efup china icon
ATMEGA644PA-MNR
0.137900
0.061000
44
VQFN
7x7x1mm
Matte Tin
e3
Rohs icon
efup china icon
ATMEGA644P-A15MZ
0.132100
0.033000
44
VQFN
7x7x1mm
Matte Tin
e3
Rohs icon
efup china icon
ATMEGA644P-20MU
0.137900
0.627778
44
VQFN
7x7x1mm
Matte Tin
e3
Rohs icon
efup china icon
ATMEGA644P-20MQ
0.137900
0.627778
44
VQFN
7x7x1mm
Matte Tin
e3
Rohs icon
efup china icon
ATMEGA644PA-MU
0.137900
0.627778
44
VQFN
7x7x1mm
Matte Tin
e3
Rohs icon
efup china icon
ATMEGA644PA-MN
0.137900
0.627778
44
VQFN
7x7x1mm
Matte Tin
e3
Rohs icon
efup china icon
To see a complete listing of RoHS data for this device, please Click here
Shipping Weight = Device Weight + Packing Material weight. Please contact sales office if device weight is not available.

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