ATSAM4SD32CA-CU vs ATSAM4SD16CA-CUR Comparison
Detailed side-by-side comparison of ATSAM4SD32CA-CU by Microchip Technology and ATSAM4SD16CA-CUR by Microchip Technology. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Microchip Technology
ATSAM4SD32CA-CU - 120MHz Cortex-M4 MCU 2MB Flash 100-TFBGA | Microchip
ATSAM4SD32CA-CU ✓ ActiveMicrochip Technology
ATSAM4SD16CA-CUR - 120MHz Cortex-M4 MCU 1MB Flash | Microchip
ATSAM4SD16CA-CUR ✓ ActiveSpecification Comparison
| Parameter | ATSAM4SD32CA-CU | ATSAM4SD16CA-CUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $8.62 | $5.55 |
| Core Architecture | ARM Cortex-M4 with FPU | ARM Cortex-M4 with FPU |
| Maximum Clock Frequency | 120 MHz | — |
| Instruction Cache | 2 KB | — |
| Program Memory (Flash) | 2 MB (2M x 8) | 1 MB (2 x 512 KB dual-bank) |
| SRAM | 160 KB | 160 KB |
| Supply Voltage Range | 1.62 V to 3.6 V | — |
| Package | 100-ball TFBGA (9x9 mm) | 100-TFBGA (9 x 9 mm) |
| Operating Temperature Range | -40 C to +85 C (industrial) | — |
| ADC | 10-bit, up to 16 channels, 1 MSps | 12-bit, up to 24 channels |
| USB Interface | USB 2.0 Full-Speed Device/Host/OTG | — |
| CAN | 2 x CAN 2.0A/B | — |
| USART | 3 x USART | — |
| TWI (I2C-compatible) | 2 x TWI | — |
| SPI | 2 x SPI | — |
| Memory Protection Unit (MPU) | Yes | — |
| DSP Extensions | Yes (single-precision FPU + MAC) | — |
| Pin-to-Pin Compatibility | SAM3N, SAM3S, SAM7S legacy 64/100-pin variants | — |
| Mounting Type | Surface Mount (TFBGA) | Surface Mount (BGA) |
| RoHS Status | Compliant | Compliant |
| Core Bit Width | — | 32-bit |
| Maximum CPU Clock | — | 120 MHz |
| Supply Voltage (VDD) | — | 1.62 V to 3.6 V |
| I/O Voltage | — | 1.62 V to 3.6 V |
| Operating Temperature | — | -40 °C to +85 °C (Industrial) |
| Communication Interfaces | — | USB 2.0 Full-Speed, 2 x CAN, USART/UART, SPI, TWI (I²C), HSMCI |
| PWM / Timer | — | 16-bit, multi-channel |
| DMA | — | Peripheral DMA Controller (PDC) |
| Trace | — | Embedded Trace Macrocell (ETM) + SWD |
| MSL Level | — | MSL3 (per JEDEC J-STD-020) |