
Modbus IO Board
TAN-ASH/Modbus_I-O_Board_PCB
Modbus Protocol based Input/output board to control periphery
Microchip TechnologyExtended
-40℃~+105℃ 1.8V~5.5V 10bit 1KB 20MHz 27 2KB 32KB 8 Bit AVR Built-in FLASH TQFP-32(7x7) Microcontrollers (MCU/MPU/SOC) ROHS
The ATMEGA328PB-AN is a microcontroller made by Microchip Technology in a TQFP-32(7x7) package with 32 pins. -40℃~+105℃ 1.8V~5.5V 10bit 1KB 20MHz 27 2KB 32KB 8 Bit AVR Built-in FLASH TQFP-32(7x7) Microcontrollers (MCU/MPU/SOC) ROHS.
PCBKit's library has its KiCad symbol (MCU_Microchip_ATmega:ATmega328PB-A, from KiCad's library) and its footprint (Package_QFP:TQFP-32_7x7mm_P0.8mm, from KiCad's library), ready for a KiCad board. 439 are in stock at JLCPCB (part C2053137). 1 open-source board in 1 repository on GitHub use it.
| Pin | Name | Type |
|---|---|---|
| 1 | PD3 | Input/output |
| 2 | PD4 | Input/output |
| 3 | PE0 | Input/output |
| 4 | VCC | Power in |
| 5 | GND | Power in |
| 6 | PE1 | Input/output |
| 7 | XTAL1/PB6 | Input/output |
| 8 | XTAL2/PB7 | Input/output |
| 9 | PD5 | Input/output |
| 10 | PD6 | Input/output |
| 11 | PD7 | Input/output |
| 12 | PB0 | Input/output |
| 13 | PB1 | Input/output |
| 14 | PB2 | Input/output |
| 15 | PB3 | Input/output |
| 16 | PB4 | Input/output |
| 17 | PB5 | Input/output |
| 18 | AVCC | Power in |
| 19 | PE2 | Input/output |
| 20 | AREF | Passive |
| 21 | GND | Passive |
| 22 | PE3 | Input/output |
| 23 | PC0 | Input/output |
| 24 | PC1 | Input/output |
| 25 | PC2 | Input/output |
| 26 | PC3 | Input/output |
| 27 | PC4 | Input/output |
| 28 | PC5 | Input/output |
| 29 | RESET/PC6 | Input/output |
| 30 | PD0 | Input/output |
| 31 | PD1 | Input/output |
| 32 | PD2 | Input/output |

TAN-ASH/Modbus_I-O_Board_PCB
Modbus Protocol based Input/output board to control periphery
Yes. The symbol is MCU_Microchip_ATmega:ATmega328PB-A and the footprint Package_QFP:TQFP-32_7x7mm_P0.8mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
TQFP-32(7x7), with 32 pins. Its footprint is drawn on this page.
Microchip Technology publishes it: the Datasheet link on this page opens it.
JLCPCB lists it as part C2053137, with 439 in stock; the sellers' links on this page open their listings.
Parts like it in the library: the ATMEGA328P-AU by Microchip Technology, the ATMEGA48PA-AU by Microchip Technology, the ATMEGA328PB-AU by Microchip Technology and the ATMEGA88PA-AU by Microchip Technology. Check their datasheets: a part that fits the footprint may still differ in its ratings.
1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.