M68HC08中文资料恩XP数据手册PDF规格书

特性 Features

Features of the MC68HC08LN56/708LN56 include:

• High-Performance M68HC08 Architecture

• Fully Upward-Compatible Object Code with M6805, M146805, and M68HC05 Families

• 8-MHz Internal Bus Frequency at 5.0 V/4 MHz Internal Bus Frequency at 3.0 V

• 56 Kbytes of EPROM/OTPROM

• On-Chip Monitor ROM Firmware for Use with Host Personal Computer

• 1280 Bytes of On-Chip RAM

• LCD Controller and Drivers (40 × 32)

– On-Chip Voltage Generator

– Contrast Control

– 1/32 Multiplex Dynamic Display

– Total of 2 Lines × 16 Characters (5 × 8 Characters)

– 160-Byte, Fully Bit Mapped LCD RAM

• 4-Channel 8-Bit Successive Approximation A/D Converter

• Dual Serial Peripheral Interface (SPI) Modules

• Serial Communications Interface (SCI) Module

• 16-Bit, 4-Channel Timer Interface Module (TIM)

– Each Channel Selectable as Input Capture, Output Compare, or PWM

• System Protection Features

– Optional Computer Operating Properly (COP) Reset

– Low-Voltage Inhibit

– Illegal Opcode Detection

– Illegal Address Detection

• Clock Generator Module (CGMB)

• Time Base Module Periodic Interrupt

– 1, 4, 16, or 256 Hz with 32.768-kHz Crystal

• 144-Pin Plastic Quad Flat Pack (QFP)

• Low-Power Design (Fully Static with Stop and Wait Modes)

• Master Reset Pin and Power-On Reset

• 42 General-Purpose I/O pins, Including

– 19 Shared Function I/O Pins

– 8-Bit Keyboard Wakeup Port

Features of the CPU08 include:

• Enhanced HC05 Programming Model

• Extensive Loop Control Functions

• 16 Addressing Modes (Eight More Than the HC05)

• 16-Bit Index Register and Stack Pointer

• Memory-to-Memory Data Transfers

• Fast 8 × 8 Multiply Instruction

• Fast 16/8 Divide Instruction

• Binary-Coded Decimal (BCD) Instructions

• Optimization for Controller Applications

• Third Party C Language Support