ATSAML22J18A

32-bit Arm · SAML · Arm Cortex-M0+ · ARMv6-M · device ID 0x10820105

The ATSAML22J18A is a 32-bit Arm Cortex-M0+ microcontroller (SAML family) from Microchip with 256 KB of flash, 32 KB of SRAM, running up to 32 MHz from 1.62 to 3.63 V, with 50 I/O pins and 24 peripheral interrupts (IRQs). It comes in QFN-64 / TQFP-64.

Flash256 KB
SRAM32 KB
Clock32 MHz
I/O pins50
IRQs24

Timers

TC4
TCC1
PWM pins38
Watchdogyes

Analog

ADC inputs16
Comparator1

Communication

SERCOM (UART · SPI · I²C)4
USB1

Power & clock

Supply1.62 – 3.63 V
Max clock32 MHz

Packages

QFN-64 / TQFP-6464 pins

Explore the ATSAML22J18A

Pinout1 package, every pin and its functionsMemory mapFlash, SRAM, EEPROM and the registers, at their addresses Registers1065 registers with every bit InterruptsThe vector table: 6 core exceptions and 24 IRQs Peripherals40 blocks with their registers and pins Fuses & lock bitsCalculator with the factory defaults