MC9S12XA256CAAR
IC MCU 16BIT 256KB FLASH 80QFP
Embedded Microcontrollers
80-QFP
HCS12X
Obsolete
$16.55 / unit (market reference)
MOQ: 19 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | Rochester Electronics, LLC |
| Model | MC9S12XA256CAAR |
| Package / Case | 80-QFP |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Core Processor | HCS12X |
| Speed | 80MHz |
| Program Memory Size | 256KB (256K x 8) |
| RAM Size | 16K x 8 |
| Number of I/O | 59 |
| Data Converters | A/D 8x10b |
| Voltage - Supply | 2.35V ~ 5.5V |
| Connectivity | EBI/EMI, I²C, IrDA, LINbus, SCI, SPI |
| Peripherals | LVD, POR, PWM, WDT |
| Supplier Device Package | 80-QFP (14x14) |
| RoHS | RoHS |
| Part Status | Obsolete |
Application & Notes
MC9S12XA256CAAR by Rochester Electronics, LLC is a HCS12X microcontroller widely used in industrial control, motor drives, IoT devices, 3D printer mainboards, and consumer electronics. The 80-QFP package fits automated SMT assembly. Operating temperature is -40°C ~ 85°C (TA) — verify your application environment. Pin-compatible domestic alternatives include GigaDevice GD32 series and Artery AT32 series — note GD32 ADC specs may differ slightly from ST originals.
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All Technical Specifications
| Speed | 80MHz |
| RAM Size | 16K x 8 |
| Core Size | 16-Bit |
| EEPROM Size | 4K x 8 |
| Peripherals | LVD, POR, PWM, WDT |
| Connectivity | EBI/EMI, I²C, IrDA, LINbus, SCI, SPI |
| Number of I/O | 59 |
| Core Processor | HCS12X |
| Data Converters | A/D 8x10b |
| Oscillator Type | External |
| Program Memory Size | 256KB (256K x 8) |
| Program Memory Type | FLASH |
| Voltage - Supply (Vcc/Vdd) | 2.35V ~ 5.5V |
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