The MAC7100 Family of microcontrollers (MCUs) are members of a pin-compatible family of 32-bit Flash-memory-based devices developed specifically for embedded automotive applications. The pin-compatible family concept enables users to select between different memory and peripheral options for scalable designs. All MAC7100 Family members are composed of a 32-bit ARM7TDMI-STM central processing unit, up to 1 Mbyte of embedded Flash EEPROM for program storage, up to 32 Kbytes of embedded Flash for data and/or program storage, and up to 48 Kbytes of RAM. The family is implemented with an enhanced DMA (eDMA) controller to improve performance for transfers between memory and many of the on-chip peripherals. The peripheral set includes asynchronous serial communications interfaces (eSCI), serial peripheral interfaces (DSPI),