Description

The NXP MC68EN360CAI25L is a high-performance and versatile microprocessor with multiple serial communication controllers. This single-chip integrated processor is suitable for various controller applications, particularly in communication activities, as it is compatible with SPI and UART interfaces.

Specifications and features

• CPU32+ Processor (4.5 MIPS at 25 MHz)
— 32-Bit Version of the CPU32 Core (Fully Compatible with the CPU32)
— Background Debug Mode
— Byte-Misaligned Addressing
• Up to 32-Bit Data Bus (Dynamic Bus Sizing for 8 and 16 Bits)
• Up to 32 Address Lines (At Least 28 Always Available)
• Complete Static Design (0–25-MHz Operation)
• Slave Mode To Disable CPU32+ (Allows Use with External Processors)
— Multiple QUICCs Can Share One System Bus (One Master)
— MC68040 Companion Mode Allows QUICC To Be an MC68040 Companion
• Memory (SRAM), Electrically Programmable Read-Only Memory (EPROM), Flash EPROM, etc.
— Four CAS lines, Four WE lines, One OE line
— Boot Chip Select Available at Reset (Options for 8-, 16-, or 32-Bit Memory)
— Special Features for MC68040 Including Burst Mode Support
• Four General-Purpose Timers
— Superset of MC68302 Timers
— Four 16-Bit Timers or Two 32-Bit Timers
— Gate Mode Can Enable/Disable Counting
• Two Independent DMAs (IDMAs)
— Single Address Mode for Fastest Transfers
— Buffer Chaining and Auto Buffer Modes
— Automatically Performs Efficient Packing
— 32-Bit Internal and External Transfers
• System Integration Module (SIM60)
— Bus Monitor
— Double Bus Fault Monitor
— Spurious Interrupt Monitor
— Software Watchdog
— Periodic Interrupt Timer
— Low Power Stop Mode
— Clock Synthesizer
— Breakpoint Logic Provides On-Chip Hardware Breakpoints
— External Masters May Use On-Chip Features Such As Chip Selects
— On-Chip Bus Arbitration with No Overhead for Internal Masters
— IEEE 1149.1 Test Access Port
• Interrupts
— Seven External IRQ Lines
— 12 Port Pins with Interrupt Capability
— 16 Internal Interrupt Sources
— Programmable Priority Between SCCs
— Programmable Highest Priority Request
• Communications Processor Module (CPM)
— RISC Controller
— Many New Commands (e.g., Graceful Stop Transmit, Close RxBD)
— 224 Buffer Descriptors
— Supports Continuous Mode Transmission and Reception on All Serial Channels
• Four SCCs
— Ethernet/IEEE 802.3 Optional on SCC1 (Full 10-Mbps Support) (Available only on the MC68EN360)
— HDLC/SDLC™ (All Four Channels Supported at 2 Mbps)
— HDLC Bus (Implements an HDLC-Based Local Area Network (LAN))
— AppleTalk®
— Signaling System #7
— Universal Asynchronous Receiver Transmitter (UART)
— Synchronous UART
— Binary Synchronous Communication (BISYNC)
— Totally Transparent (Bit Streams)
— Totally Transparent (Frame Based with Optional Cyclic Redundancy Check (CRC))
— Profibus (RAM Microcode Option)
— Asynchronous HDLC (RAM Microcode Option) to Support PPP (Point to Point Protocol)
— DDCMP™(RAM Microcode Option)
— V.14 (RAM Microcode Option)
— X.21 (RAM Microcode Option)
• Two SMCs
— UART
— Transparent
— General Circuit Interface (GCI) Controller
— Can Be Connected to the Time-Division Multiplexed (TDM) Channels
• One SPI
— Superset of the MC68302 SCP
— Supports Master and Slave Modes
— Supports Multimaster Operation on the Same Bus
• Time-Slot Assigner
• Supports Two TDM Channels
— Each TDM Channel Can Be T1, CEPT, PCM Highway, ISDN Basic Rate, ISDN Primary Rate, User Defined
— 1- or 8-Bit Resolution
— Allows Independent Transmit and Receive Routing, Frame Syncs, Clocking
— Allows Dynamic Changes
— Can Be internally Connected to Six Serial Channels (Four SCCs and Two SMCs)
• Parallel Interface Port

Application Scenarios

The MC68EN360CAI25L is commonly used in:

• Household appliances
• Manufacturing industry
• Automation
• Intelligent energy

Comparison

• The device is versatile and it is compatible with different communication interfaces.
• The microprocessor contains four serial communication controllers, which make it a suitable choice for communication activities.
• The device has up to 32 address lines, allowing interface with larger memory modules.
• The complete static design of this microprocessor ensures stable operation up to 25-MHz.

• There are no significant reported disadvantages for the MC68EN360CAI25L microprocessor.