深圳市中立信电子科技有限公司

ATSAMG55J19B-AU

ARM微控制器 - MCU TQFP, MRL B IND TEMP

ATSAMG55J19B-AUFeatures

 Core ATSAMG55J19B-AU

̶ ARM Cortex-M4 with up to 16 Kbytes SRAM on I/D bus providing 0 wait state execution at up to 120 MHz (1)

̶ Memory Protection Unit (MPU)

̶ DSP Instructions

̶ Floating Point Unit (FPU)

̶ Thumb®-2 instruction set

Note: 1. 120 MHz with VDDCOREXT120 or with VDDCORE trimmed by regulator.

 Memories

̶ Up to 512 Kbytes embedded Flash

̶ Up to 176 Kbytes embedded SRAM

̶ 8 Kbytes ROM with embedded boot loader, single-cycle access at full speed

 System ATSAMG55J19B-AU

̶ Embedded voltage regulator for single-supply operation

̶ Power-on reset (POR) and Watchdog for safe operation

̶ Quartz or ceramic resonator oscillators: 3 to 20 MHz with clock failure detection and 32.768 kHz for RTT or system clock

̶ High-precision 8/16/24 MHz factory-trimmed internal RC oscillator. In-application trimming access for frequency adjustment

̶ Slow clock internal RC oscillator as permanent low-power mode device clock

̶ PLL range from 48 MHz to 120 MHz for device clock

̶ PLL range from 24 MHz to 48 MHz for USB device and USB OHCI

̶ Up to 30 peripheral DMA (PDC) channels

̶ 256-bit General-Purpose Backup Registers (GPBR)

̶ 16 external interrupt lines