ATSAM4SD32CA-CU vs ATSAM4SD32CB-CFN Comparison
Detailed side-by-side comparison of ATSAM4SD32CA-CU by Microchip Technology and ATSAM4SD32CB-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
ATSAM4SD32CB-CFN - 120MHz Cortex-M4 MCU 2MB Flash | Microchip
ATSAM4SD32CB-CFN ✓ ActiveSpecification Comparison
| Parameter | ATSAM4SD32CA-CU | ATSAM4SD32CB-CFN |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $8.62 | $6.05 |
| Core Architecture | ARM Cortex-M4 with FPU | ARM Cortex-M4 with FPU and MPU |
| Maximum Clock Frequency | 120 MHz | — |
| Instruction Cache | 2 KB | — |
| Program Memory (Flash) | 2 MB (2M x 8) | — |
| SRAM | 160 KB | 160 KB |
| Supply Voltage Range | 1.62 V to 3.6 V | — |
| Package | 100-ball TFBGA (9x9 mm) | 100-ball VFBGA, 7x7 mm, 0.65 mm pitch |
| Operating Temperature Range | -40 C to +85 C (industrial) | — |
| ADC | 10-bit, up to 16 channels, 1 MSps | 12-bit, up to 16 channels |
| USB Interface | USB 2.0 Full-Speed Device/Host/OTG | Full-speed USB Device with on-chip transceiver |
| 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 |
| RoHS Status | Compliant | Compliant (Pb-free) |
| Maximum CPU Clock | — | 120 MHz |
| Flash Memory | — | 2 MB (2048 KB) |
| Cache | — | Up to 4 KB (Flash controller cache) |
| Core Mark / DMIPS | — | 1.25 DMIPS/MHz (150 DMIPS at 120 MHz) |
| Operating Voltage (VDDIO/VDDIN) | — | 1.62 V to 3.6 V |
| Core Voltage (internal) | — | 1.2 V (internal LDO) |
| Communication Interfaces | — | 5x USART, 3x SPI, 2x TWI (I2C), 1x HS USB, 1x CAN, 1x SSC, 1x EMAC |
| DMA Channels | — | 16 peripheral DMA channels |
| Timers | — | Two 16-bit TC channels, one 16-bit PWM, one RTC, one RTT |
| Operating Temperature (Grade) | — | -40C to +85C (industrial) |
| MSL Level | — | 3 (per JEDEC J-STD-020, reflow at 260C) |
| Lead-free / Halogen-free | — | Lead-free (green) per Microchip data |