Design Files
Receive the full breakdown. See the product footprint and more in the eCad file.
S12A Automotive and Industrial Microcontrollers (MCUs)
The MC9S12A512 MCU is a 16-bit device composed of standard on-chip peripherals, including a HCS12 CPU.
System resource mapping, clock generation, interrupt control and bus interfacing are managed by the system integration module (SIM).
The MC9S12A512 has full 16-bit data paths throughout, however the external bus can operate in an 8-bit narrow mode so single 8-bit wide memory can be interfaced for lower cost systems.
The inclusion of a phase-lock loop (PLL) circuit allows power consumption and performance to be adjusted.
Product Details
Features
- 16-bit HCS12 CPU
- Upward compatible with M68HC11 instruction set
- Interrupt stacking and programmer's model identical to M68HC11
- Instruction pipe
- Enhanced indexed addressing
- Multiplexed external bus
- Memory
- 512 KB flash EEPROM
- 4 KB EEPROM
- 14 KB RAM
- Two asynchronous serial communications interfaces (SCI)
- Three serial peripheral interfaces (SPI)
- Two 8-channel ADCs
- 8-channel pulse-width modulator (PWM)
- 29 discrete digital I/O channels (Port A, Port B, Port K and Port E)
- 20 discrete digital I/O lines with interrupt and wake-up capability
- Inter-IC Bus
- 10-bit resolution
- Software-compatible modules
Part numbers include: MC9S12A128CFUE, MC9S12A128CPVE, MC9S12A256CFUE, MC9S12A256CPVE, MC9S12A256MPVE, MC9S12A256VPVE, MC9S12A32CFUE, MC9S12A512CPVE, MC9S12A64CFUE, MC9S12A64CPVE.
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Design Resources
Hardware
Quick reference to our
board types.
4 hardware offerings
-
Emulators, Probes, and ProgrammersUniversal Multilink Development InterfaceFeatured
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Emulators, Probes, and ProgrammersPEmicro Cyclone FX programmer
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Emulators, Probes, and ProgrammersUniversal Multilink FX High-Speed Development Interface
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Emulators, Probes, and ProgrammersPEmicro Cyclone programmer
Software
Quick reference to our software types.
1-5 of 6 software files
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BSPs and Device Drivers
Graphical LCD Driver for MCUs/MPUsFeatured
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Code Snippets
Equate file for MC9S12A512
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Debugging and Visualization Tools
DB12v4FW
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Additional software available. View our featured partner solutions.
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Debugging and Visualization Tools
D-Bug12XZ
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Development IDEs and Build Tools
CodeWarrior® Development Studio for HCS12(X) Microcontrollers (Classic IDE) v5.2
Note: For better experience, software downloads are recommended on desktop.
Engineering Services
To get further assistance directly from NXP, please see our Engineering Services.
3 engineering services
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Independent Design House (IDH)
Hardware/Software Engineering Services
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Independent Design House (IDH)
Embedded Software Design
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Independent Design House (IDH)
Hardware/Software development and testing
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To find additional partner offerings that support this product, visit our Partner Marketplace.