ATSAM4SD32CA-CU vs ATSAM4SD16CB-CFN Comparison
Detailed side-by-side comparison of ATSAM4SD32CA-CU by Microchip Technology and ATSAM4SD16CB-CFN 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
ATSAM4SD16CB-CFN - 120MHz Cortex-M4 MCU 1MB Flash | Microchip
ATSAM4SD16CB-CFN ✓ ActiveSpecification Comparison
| Parameter | ATSAM4SD32CA-CU | ATSAM4SD16CB-CFN |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $8.62 | $8.85 |
| Core Architecture | ARM Cortex-M4 with FPU | ARM Cortex-M4 (ARMv7-M) with FPU and DSP extensions |
| Maximum Clock Frequency | 120 MHz | — |
| Instruction Cache | 2 KB | — |
| Program Memory (Flash) | 2 MB (2M x 8) | 1 MB (1M x 8), dual-bank |
| SRAM | 160 KB | 160 KB (100 KB SRAM0 + 60 KB SRAM1) |
| Supply Voltage Range | 1.62 V to 3.6 V | — |
| Package | 100-ball TFBGA (9x9 mm) | 100-ball VFBGA (7x7 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, 1 Msps |
| 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, reflow only) |
| RoHS Status | Compliant | Compliant |
| Maximum Clock Speed | — | 120 MHz |
| Supply Voltage | — | 1.2 V core / 3.3 V I/O (1.62-3.6 V I/O range) |
| Operating Temperature | — | -40C to +85C (extended industrial) |
| USB | — | USB 2.0 Full-Speed Device with on-chip PHY |
| Ethernet | — | 10/100 GMAC (requires external PHY) |
| Communication Peripherals | — | 5x USART/UART, 3x TWI (I2C), 2x SPI, 1x HS-SPI, 1x I2S, 1x CAN 2.0B |
| External Bus Interface | — | 16-bit EBI (SRAM, SDRAM, NAND Flash) |
| Timers | — | 9x 16-bit TC channels, 3x 3-channel 32-bit TC, RTC, SysTick |
| DMA | — | 24-channel peripheral DMA controller |
| Security | — | AES 256-bit, secure boot, Flash CRC, tamper detection |
| MSL Level | — | 3 (168 hours) |