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MAC7101 Datasheet(PDF) 1 Page - Freescale Semiconductor, Inc |
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MAC7101 Datasheet(HTML) 1 Page - Freescale Semiconductor, Inc |
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1 / 710 page  © Freescale Semiconductor, Inc., 2004. All rights reserved. • Preliminary Freescale Semiconductor Product Brief MAC7100PB Rev. 2, 09/2004 This document contains information on a new product. Specifications and information herein are subject to change without notice. Table of Contents MAC7100 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 devices are composed of an ARM7TDMI-S™ 32-bit central processing unit, up to 1 Mbyte of high performance embedded Flash memory for program storage, an optional 32 Kbytes of embedded Flash for data and/or program storage, and up to 48 Kbytes of RAM. As shown in Table 1 and Figure 1, the MAC7100 family is implemented with a variety of on-chip peripherals. An enhanced DMA (eDMA) controller executes in parallel with the CPU to improve the performance of data transfers between memory and many of the peripherals. DMA transfers may be triggered by various peripheral events, such as data frame transmission or reception, elapsed timer periods, and analog-to-data conversion completions. The peripheral set includes enhanced asynchronous serial communications interfaces (eSCI) with Local Interconnect Network (LIN) support hardware to reduce interrupt overhead, serial peripheral interfaces (DSPI) with flexible chip selects and fast baud 1 Block Diagram......................................................... 3 2 Features ..................................................................4 3 Modes of Operation ................................................ 8 3.1 Chip Configuration Modes ................................... 8 3.2 Low-Power Modes ............................................... 9 4 Functional Overview ............................................... 9 4.1 32-bit ARM7TDMI-S RISC Core.......................... 9 4.2 Enhanced Direct Memory Access (eDMA) and Channel Multiplexer (DMA MUX) ...................... 10 4.3 External Interface Module (EIM)........................ 10 4.4 Common Flash Module (CFM) .......................... 10 4.5 Interrupt Controller (INTC)................................. 10 4.6 Port Integration Module (PIM) ........................... 11 4.7 Analog-to-Digital Converters (ATD) ................... 11 4.8 CAN 2.0 Software Compatible (FlexCAN) Modules............................................................. 12 4.9 Enhanced Modular I/O Subsystem (eMIOS) ..... 12 4.10 Serial Peripheral Interfaces (DSPI) ................... 12 4.11 Enhanced Serial Communications Interfaces (eSCI) ................................................................13 4.12 Inter-Integrated Circuit (I2C) Bus Module .......... 13 4.13 Periodic Interrupt Timer (PIT) Module ............... 13 4.14 Miscellaneous Control Module (MCM) and Cross-Bar Switch (XBS) ....................................13 4.15 System Services Module (SSM)........................ 14 4.16 Voltage Regulator Module (VREG).................... 14 4.17 System Clocks (OSC and CRG)...... 14 4.18 Development Support...................... 15 5 Documentation and Ordering.............. 15 MAC7100 Microcontroller Family Product Brief 32-bit Embedded Controller Division |
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