デザイン・ファイル
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16-Bit Microcontroller
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The MC68HC812A4 microcontroller unit (MCU) is a 16-bit device composed of standard on-chip peripheral modules connected by an intermodule bus. Modules include a 16-bit central processing unit (CPU12), a Lite integration module (LIM), two asynchronous serial communications interfaces (SCI0 and SCI1), a serial peripheral interface (SPI), a timer and pulse accumulation module, an 8-bit analog-to-digital converter (ATD), 1-Kbyte RAM, and memory expansion logic with chip selects, key wakeup ports, and a phase-locked loop (PLL).
製品詳細
ブロック図
Features
- Low-Power, High-Speed M68HC12 CPU
- Power Saving STOP and WAIT Modes
- Memory
- 1024-Byte RAM
- 4096-Byte Electrically Erasable Programmable Read-Only Memory (EEPROM)
- On-Chip Memory Mapping Allows Expansion to over 5-Mbyte Address Space
- Single-Wire Background Debug Mode
- Non-Multiplexed Address and Data Buses
- Seven Programmable Chip Selects with Clock Stretching (Expanded Modes)
- 8-Channel, Enhanced 16-Bit Timer with Programmable Prescaler
- All Channels Configurable as Input Capture or Output Compare
- Flexible Choice of Clock Source
- 16-Bit Pulse Accumulator
- Real-Time Interrupt Circuit
- Computer Operating Properly (COP) Watchdog
- Clock Monitor
- Phase-Locked Loop
- Two Enhanced Asynchronous Non-Return to Zero (NRZ) Serial Communication Interfaces (SCI)
- Enhanced Synchronous Serial Peripheral Interface (SPI)
- 8-Channel, 8-Bit Analog-to-Digital Converter (ATD)
- Up to 24 Key Wakeup Lines with Interrupt Capability
- Available in 112-Pin Thin Quad Flat Pack (TQFP) Packaging
購入/パラメータ
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