MC68LC302CPU16 데이터 시트보기 (PDF) - Freescale Semiconductor

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MC68LC302CPU16

Low Cost Integrated Multiprotocol Processor

Freescale Semiconductor 

Freescale Semiconductor, Inc.

FEATURES

The features of the MC68LC302 are as follows. Bold face items show major differences from the MC68302.

• On-Chip Static 68000 Core Supporting a 16- or 8-Bit M68000 Family System

• SIB Including:

— Independent Direct Memory Access (IDMA) Controller

— Interrupt Controller with Two Modes of Operation

— Parallel Input/Output (I/O) Ports, Some with Interrupt Capability

— On-Chip 1152-Byte Dual-Port RAM

— Three Timers Including a Watchdog Timer

— New Periodic Interrupt Timer (PIT)

— Four Programmable Chip-Select Lines with Wait-State Generator Logic

— Programmable Address Mapping of the Dual-Port RAM and IMP Registers

— On-Chip Clock Generator with Output Signal

— On-Chip PLL Allows Operation with 32 kHz or 4 MHz Crystals

— Glueless Interface to EPROM, SRAM, Flash EPROM, and EEPROM

— Allows Boot in 8-bit Mode, and Running Switch to 16-bit Mode

— System Control:

System Status and Control Logic

Disable CPU Logic (Slave Mode Operation)

Hardware Watchdog

New Low-Power (Standby) Modes with Wake-Up from Two Pins or PIT

Freeze Control for Debugging (Available Only in the PGA Package)

DRAM Refresh Controller

• CP Including:

— Main Controller (RISC Processor)

— Two Independent Full-Duplex Serial Communications Controllers (SCCs)

— Supporting Various Protocols:

High-Level/Synchronous Data Link Control (HDLC/SDLC)

Universal Asynchronous Receiver Transmitter (UART)

Binary Synchronous Communication (BISYNC)

Transparent Modes

Autobaud Support

MC68LC302 PRODUCT INFORMATION

For More Information On This Product,

Go to: www.freescale.com

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