ATMEGA48V-10MU from Microchip Tech, in a VQFN-32-EP(5x5). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin	Name	Type	Function
1	PD3	bidirectional	Port D bit 3 bi-directional I/O with internal pull-up; alternate functions PCINT19, OC2B and INT1.
2	PD4	bidirectional	Port D bit 4 bi-directional I/O with internal pull-up; alternate functions PCINT20, XCK0 and T0.
3	GND	power_in	Ground.
4	VCC	power_in	Digital supply voltage.
5	GND	power_in	Ground.
6	VCC	power_in	Digital supply voltage.
7	PB6	bidirectional	Port B bit 6 I/O with pull-up; depending on clock fuse settings it is the input to the inverting oscillator amplifier (XTAL1/TOSC1), also PCINT6.
8	PB7	bidirectional	Port B bit 7 I/O with pull-up; depending on clock fuse settings it is the output of the inverting oscillator amplifier (XTAL2/TOSC2), also PCINT7.
9	PD5	bidirectional	Port D bit 5 bi-directional I/O with internal pull-up; alternate functions PCINT21, OC0B and T1.
10	PD6	bidirectional	Port D bit 6 bi-directional I/O with internal pull-up; alternate functions PCINT22, OC0A and AIN0.
11	PD7	bidirectional	Port D bit 7 bi-directional I/O with internal pull-up; alternate functions PCINT23 and AIN1.
12	PB0	bidirectional	Port B bit 0 bi-directional I/O with internal pull-up; alternate functions PCINT0, CLKO and ICP1.
13	PB1	bidirectional	Port B bit 1 bi-directional I/O with internal pull-up; alternate functions PCINT1 and OC1A.
14	PB2	bidirectional	Port B bit 2 bi-directional I/O with internal pull-up; alternate functions PCINT2, OC1B and SS.
15	PB3	bidirectional	Port B bit 3 bi-directional I/O with internal pull-up; alternate functions PCINT3, OC2A and MOSI.
16	PB4	bidirectional	Port B bit 4 bi-directional I/O with internal pull-up; alternate functions PCINT4 and MISO.
17	PB5	bidirectional	Port B bit 5 bi-directional I/O with internal pull-up; alternate functions PCINT5 and SCK.
18	AVCC	power_in	Supply voltage for the A/D Converter and PC[3:0]; must be connected to VCC even if the ADC is unused, through a low-pass filter if the ADC is used.
19	ADC6	input	Analog input to the 10-bit A/D converter (channel 6), powered from the analog supply.
20	AREF	input	Analog reference pin for the A/D Converter.
21	GND	power_in	Ground.
22	ADC7	input	Analog input to the 10-bit A/D converter (channel 7), powered from the analog supply.
23	PC0	bidirectional	Port C bit 0 bi-directional I/O with internal pull-up; alternate functions ADC0 and PCINT8.
24	PC1	bidirectional	Port C bit 1 bi-directional I/O with internal pull-up; alternate functions ADC1 and PCINT9.
25	PC2	bidirectional	Port C bit 2 bi-directional I/O with internal pull-up; alternate functions ADC2 and PCINT10.
26	PC3	bidirectional	Port C bit 3 bi-directional I/O with internal pull-up; alternate functions ADC3 and PCINT11.
27	PC4	bidirectional	Port C bit 4 bi-directional I/O with internal pull-up; alternate functions ADC4, SDA and PCINT12.
28	PC5	bidirectional	Port C bit 5 bi-directional I/O with internal pull-up; alternate functions ADC5, SCL and PCINT13.
29	PC6/RESET	bidirectional	Active-low reset input when RSTDISBL fuse is unprogrammed (a low level longer than the minimum pulse length generates a reset), otherwise I/O PC6 with electrical characteristics differing from other Port C pins.
30	PD0	bidirectional	Port D bit 0 bi-directional I/O with internal pull-up; alternate functions PCINT16 and RXD.
31	PD1	bidirectional	Port D bit 1 bi-directional I/O with internal pull-up; alternate functions PCINT17 and TXD.
32	PD2	bidirectional	Port D bit 2 bi-directional I/O with internal pull-up; alternate functions INT0 and PCINT18.
33	EP	passive	Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter	Value
Manufacturer	Microchip Tech
Package	VQFN-32-EP(5x5)
Category	Embedded Processors & Controllers
Pins	33

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter	Symbol	Min	Typ	Max	Unit	Conditions	Page
Operating Voltage	VCC	1.8		5.5	V	ATmega48V	2
Operating Temperature Range		-40		85	°C	Industrial	6
Speed Grade		0		4	MHz	1.8V - 5.5V	2
Speed Grade		0		10	MHz	2.7V - 5.5V	2
Active Mode Current			0.3		mA	1MHz, 1.8V, 25°C	2
Power-down Mode Current			0.1		μA	1MHz, 1.8V, 25°C	2
Power-save Mode Current			0.8		μA	1MHz, 1.8V, 25°C, including 32kHz RTC	2

CAD (KiCad official)

Symbol: ATMEGA48V-10MU
Footprint: Package_DFN_QFN:QFN-32-1EP_5x5mm_P0.5mm_EP3.3x3.3mm
3D model: VQFN-32-EP(5x5) (KiCad packages3D, STEP)
3D model files: atmega48v-10mu-etched.step / atmega48v-10mu-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); atmega48v-10mu.step / atmega48v-10mu.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

Datasheet: Microchip Tech datasheet (25 pp, sha256 2391f8414ea893b9, retrieved 2026-10-30, tier: manufacturer)
Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF

ATMEGA48V-10MU

Verified ATMEGA48V-10MU

Verification log 1 record

3D Model

Symbol & Footprint

Schematic Symbol

PCB Footprint

Datasheet

README