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ATMEGA645P-MU on a board, in 3D

ATMEGA645P-MU

Microchip Technology

-40℃~+85℃ 1.8V~5.5V 10bit 16MHz 2KB 54 64KB 8 Bit AVR Built-in FLASH QFN-64-EP(9x9) Microcontrollers (MCU/MPU/SOC) ROHS

Extended
DatasheetJLCPCBLCSCmicrochip/ATMEGA645P-MU
Category
Microcontrollers (MCU, MPU, SOC)
Package
QFN-64-EP(9x9)
Pins
65

Overview

The ATMEGA645P-MU is a microcontroller made by Microchip Technology in a QFN-64-EP(9x9) package with 65 pins. -40℃~+85℃ 1.8V~5.5V 10bit 16MHz 2KB 54 64KB 8 Bit AVR Built-in FLASH QFN-64-EP(9x9) Microcontrollers (MCU/MPU/SOC) ROHS.

PCBKit's library has its KiCad symbol (MCU_Microchip_ATmega:ATmega645P-M, from KiCad's library) and its footprint (Package_DFN_QFN:QFN-64-1EP_9x9mm_P0.5mm_EP5.4x5.4mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C1337683).

Symbol

PE02PE13PE24PE35PE46PE57PE68PE79PB010PB111PB212PB313PB414PB515PB616PB717PG318PG419PG5/RESET20VCC21GND22XTAL223XTAL124PD025PD126PD227PD328PD429PD530PD631PD732PG033PG134PC035PC136PC237PC338PC439PC540PC641PC742PG243PA744PA645PA546PA447PA348PA249PA150PA051PF754PF655PF556PF457PF358PF259PF160PF061AREF62AVCC64
MCU_Microchip_ATmega:ATmega645P-MFrom KiCad's library

Footprint

65
Package_DFN_QFN:QFN-64-1EP_9x9mm_P0.5mm_EP5.4x5.4mmFrom KiCad's library

Parameters

16
ADC (Bit)
10bit
CPU Core
AVR
CPU Maximum Speed
16MHz
Core Size
8 Bit
EEPROM
2KB
Features
Power-on reset (POR), Undervoltage detection (BOR/LVD/LVR/LVI), Watchdog reset, Built-in general-purpose timer, Programmable watchdog, Touch function
Internal Oscillator
有
Low-Voltage Detect
有
Number of I/O
54
Operating Temperature
-40℃~+85℃
Oscillator Type
Built-in
Program Memory Type
FLASH
Program Storage Size
64KB
RAM Size
4KB
Voltage - Supply
1.8V~5.5V
Watchdog
有

Order codes

1

Pinout

65
The pins of the ATMEGA645P-MU
PinNameType
1NCNot connected
2PE0Input/output
3PE1Input/output
4PE2Input/output
5PE3Input/output
6PE4Input/output
7PE5Input/output
8PE6Input/output
9PE7Input/output
10PB0Input/output
11PB1Input/output
12PB2Input/output
13PB3Input/output
14PB4Input/output
15PB5Input/output
16PB6Input/output
17PB7Input/output
18PG3Input/output
19PG4Input/output
20PG5/RESETInput/output
21VCCPower in
22GNDPower in
23XTAL2Output
24XTAL1Input
25PD0Input/output
26PD1Input/output
27PD2Input/output
28PD3Input/output
29PD4Input/output
30PD5Input/output
31PD6Input/output
32PD7Input/output
33PG0Input/output
34PG1Input/output
35PC0Input/output
36PC1Input/output
37PC2Input/output
38PC3Input/output
39PC4Input/output
40PC5Input/output
41PC6Input/output
42PC7Input/output
43PG2Input/output
44PA7Input/output
45PA6Input/output
46PA5Input/output
47PA4Input/output
48PA3Input/output
49PA2Input/output
50PA1Input/output
51PA0Input/output
52VCCPassive
53GNDPassive
54PF7Input/output
55PF6Input/output
56PF5Input/output
57PF4Input/output
58PF3Input/output
59PF2Input/output
60PF1Input/output
61PF0Input/output
62AREFPassive
63GNDPassive
64AVCCPower in
65GNDPassive

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Questions

Is there a KiCad symbol and footprint for the ATMEGA645P-MU?

Yes. The symbol is MCU_Microchip_ATmega:ATmega645P-M and the footprint Package_DFN_QFN:QFN-64-1EP_9x9mm_P0.5mm_EP5.4x5.4mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the ATMEGA645P-MU?

QFN-64-EP(9x9), with 65 pins. Its footprint is drawn on this page.

Where is the ATMEGA645P-MU datasheet?

Microchip Technology publishes it: the Datasheet link on this page opens it.

Where can I order the ATMEGA645P-MU?

JLCPCB lists it as part C1337683, with 0 in stock; the sellers' links on this page open their listings.

What can replace the ATMEGA645P-MU?

Parts like it in the library: the ATMEGA649A-MU by Microchip Technology, the ATMEGA329PA-MU by Microchip Technology, the ATMEGA169PA-MU by Microchip Technology and the ATMEGA64A-MU by Microchip Technology. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8