Microchip Technology ATSAM4S4AB-AN Microcontrollers
IC MCU 32BIT 256KB FLASH 48LQFP

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
ATSAM4S4AB-AN
Base Model
Detailed Description
IC MCU 32BIT 256KB FLASH 48LQFP
Lifecycle Status
Active
Datasheet
ATSAM4S4AB-AN Datasheet
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Alternate Parts Comparison (ATSAM4S4AB-AN vs ATSAM4S4CB-CFN vs ATSAM4S4CA-CUR vs ATSAM4S4BA-AUR)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | -- | 100-VFBGA | 100-TFBGA | 64-LQFP |
| Mounting Type | -- | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -- | -40°C ~ 105°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Supply Voltage | -- | 1.62V ~ 3.6V | 1.62V ~ 3.6V | 1.62V ~ 3.6V |
| Core Processor | -- | ARM® Cortex®-M4 | ARM® Cortex®-M4 | ARM® Cortex®-M4 |
| Core Size | -- | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core |
| RAM Size | -- | 64K x 8 | 64K x 8 | 64K x 8 |
| Connectivity | -- | EBI/EMI, I²C, IrDA, Memory Card, SPI, SSC, UART/USART, USB | EBI/EMI, I²C, IrDA, Memory Card, SPI, SSC, UART/USART, USB | I²C, IrDA, Memory Card, SPI, SSC, UART/USART, USB |
| Data Converters | -- | A/D 16x12b; D/A 2x12b | A/D 16x12b; D/A 2x12b | A/D 11x12b; D/A 2x12b |
| Number of I/O | -- | 79 | 79 | 47 |
| Oscillator Type | -- | Internal | Internal | Internal |
| Peripherals | -- | Brown-out Detect/Reset, DMA, POR, PWM, WDT | Brown-out Detect/Reset, DMA, POR, PWM, WDT | Brown-out Detect/Reset, DMA, POR, PWM, WDT |
| Action |
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
Suggested replacements
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IC MCU 32BIT 256KB FLASH 64LQFP
MKS20FN256VFT12NXP SemiconductorsNXP
IC MCU 32BIT 256KB FLASH 48QFN
MKS22FN256VFT12NXP SemiconductorsNXP
IC MCU 32BIT 256KB FLASH 48QFN
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