
Overview
The ATMEGA48A-MMH is a microcontroller made by Microchip Technology in a VQFN-28(4x4) package with 29 pins. -40℃~+85℃ 1.8V~5.5V 10bit 20MHz 23 256Byte 4KB 512Byte 8 Bit AVR Built-in FLASH VQFN-28(4x4) Microcontrollers (MCU/MPU/SOC) ROHS.
PCBKit's library has its KiCad symbol (MCU_Microchip_ATmega:ATmega48A-MM, from KiCad's library) and its footprint (Package_DFN_QFN:QFN-28-1EP_4x4mm_P0.45mm_EP2.4x2.4mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C2054275).
Symbol
Footprint
Parameters
1- CPU Core
- AVR
Order codes
1- ATMEGA48A-MMHRLCSC C2054275
Pinout
29| Pin | Name | Type |
|---|---|---|
| 1 | PD3 | Input/output |
| 2 | PD4 | Input/output |
| 3 | VCC | Power in |
| 4 | GND | Power in |
| 5 | XTAL1/PB6 | Input/output |
| 6 | XTAL2/PB7 | Input/output |
| 7 | PD5 | Input/output |
| 8 | PD6 | Input/output |
| 9 | PD7 | Input/output |
| 10 | PB0 | Input/output |
| 11 | PB1 | Input/output |
| 12 | PB2 | Input/output |
| 13 | PB3 | Input/output |
| 14 | PB4 | Input/output |
| 15 | PB5 | Input/output |
| 16 | AVCC | Power in |
| 17 | AREF | Passive |
| 18 | GND | Passive |
| 19 | PC0 | Input/output |
| 20 | PC1 | Input/output |
| 21 | PC2 | Input/output |
| 22 | PC3 | Input/output |
| 23 | PC4 | Input/output |
| 24 | PC5 | Input/output |
| 25 | RESET/PC6 | Input/output |
| 26 | PD0 | Input/output |
| 27 | PD1 | Input/output |
| 28 | PD2 | Input/output |
| 29 | GND | Passive |
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Is there a KiCad symbol and footprint for the ATMEGA48A-MMH?
Yes. The symbol is MCU_Microchip_ATmega:ATmega48A-MM and the footprint Package_DFN_QFN:QFN-28-1EP_4x4mm_P0.45mm_EP2.4x2.4mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the ATMEGA48A-MMH?
VQFN-28(4x4), with 29 pins. Its footprint is drawn on this page.
Where is the ATMEGA48A-MMH datasheet?
Microchip Technology publishes it: the Datasheet link on this page opens it.
Where can I order the ATMEGA48A-MMH?
JLCPCB lists it as part C2054275, with 0 in stock; the sellers' links on this page open their listings.
What can replace the ATMEGA48A-MMH?
Parts like it in the library: the ATMEGA168PA-MMH by Microchip Technology, the ATMEGA328-MMH by Microchip Technology, the ATMEGA88PA-MMN by Microchip Technology and the ATMEGA328P-MMHR by Microchip Technology. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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