MC68LC302PU16B - Brand New MOTOROLA IC Chips
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INTRODUCTION
Motorola has developed a low-cost version of the well-known MC68302 integrated multiprotocol processor (IMP) called the MC68LC302. Simply put, the LC302 is a traditional 68302 minus the third serial communication controller (SCC3) and has a new static 68000 core, a new timer and low power modes. It is packaged in a low profile 100 TQFP that reduces board space from the regular 68302, as well as making it suitable for use in height restricted applications such as PCMCIA.
FEATURES
The features of the LC302 are as follows. The items in bold face type show major differences from the MC68302, although a complete list of differences is given in 1.4 LC302 Differences.
• 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
Parallel Input/Output (I/O) Ports on D15-D8 in 8 bit mode
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 32kHz or 4MHz 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 2 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 Instead of DDCMP and V.110
Boot from SCC Capability
Four Serial DMA Channels for the Two SCCs
Flexible Physical Interface Accessible by SCCs Including:
Motorola Interchip Digital Link (IDL)
General Circuit Interface (GCI, Also Known as IOM1-2)
Pulse Code Modulation (PCM) Highway Interface
Nonmultiplexed Serial Interface (NMSI) Implementing Standard
Modem Signals
SCP for Synchronous Communication
Two Serial Management Controllers (SMCs) To Support IDL and GCI Auxiliary Channels
• 100 Pin Thin Quad Flat Pack (TQFP) Packaging -
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Datasheet
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- Datasheet: Download MC68LC302PU16B
- Chipdatas Part: CD94-MC68LC302PU16B
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- Last Updated: 2024/06/03 13:43 +0800
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