Order this document by MC68331TS/D Rev. 2 MC68331 Technical Summary 32-Bit Modular Microcontroller 1 Introduction The MC68331, a highly-integrated 32-bit microcontroller, combines high-performance data manipula- tion capabilities with powerful peripheral subsystems. The MCU is built up from standard modules that interface through a common intermodule bus (IMB). Standardization facilitates rapid development of devices tailored for specific applications. The MCU incorporates a 32-bit CPU (CPU32), a system integration module (SIM), a general-purpose timer (GPT), and a queued serial module (QSM). The MCU can either synthesize an internal clock signal from an external reference or use an external clock input directly. Operation with a 32.768-kHz reference frequency is standard. The maximum sys- tem clock speed is 20.97 MHz. Because MCU operation is fully static, register and memory contents are not affected by a loss of clock. High-density complementary metal-oxide semiconductor (HCMOS) architecture makes the basic power consumption of the MCU low. Power consumption can be minimized by stopping the system clock. The CPU32 instruction set includes a low-power stop (LPSTOP) command that efficiently implements this capability. For More Information On This Product, Go to: www.freescale.com Freescale Semiconductor, Inc... Freescale Semiconductor, Inc. Table 1 Ordering Information Package Type Temperature Frequency Package Order Order Number (MHz) Quantity 132-Pin PQFP 40 to +85 C 16 MHz 2 pc tray SPAKMC331CFC16 36 pc tray MC68331CFC16 20 MHz 2 pc tray SPAKMC331CFC20 36 pc tray MC68331CFC20 40 to +105 C 16 MHz 2 pc tray SPAKMC331VFC16 36 pc tray MC68331VFC16 20 MHz 2 pc tray SPAKMC331VFC20 36 pc tray MC68331VFC20 40 to +125 C 16 MHz 2 pc tray SPAKMC331MFC16 36 pc tray MC68331MFC16 20 MHz 2 pc tray SPAKMC331MFC20 36 pc tray MC68331MFC20 144-Pin QFP 40 to +85 C 16 MHz 2 pc tray SPAKMC331CFV16 44 pc tray MC68331CFV16 20 MHz 2 pc tray SPAKMC331CFV20 44 pc tray MC68331CFV20 40 to +105 C 16 MHz 2 pc tray SPAKMC331VFV16 44 pc tray MC68331VFV16 20 MHz 2 pc tray SPAKMC331VFV20 44 pc tray MC68331VFV20 40 to +125 C 16 MHz 2 pc tray SPAKMC331MFV16 44 pc tray MC68331MFV16 20 MHz 2 pc tray SPAKMC331MFV20 44 pc tray MC68331MFV20 For More Information On This Product, 2 MC68331TS/D Go to: www.freescale.com Freescale Semiconductor, Inc...