MC68HC11P2中文资料Microcontroller数据手册恩XP规格书

描述 Description

Overview The MC68HC11P2 8-bit microcomputer is a member of the M68HC11 family of HCMOS microcomputers. In addition to 32kbytes of ROM, the MC68HC11P2 contains 1kbyte of RAM and 640 bytes of EEPROM. With its advanced timer and communication features (including MI BUS ) the MC68HC11P2 is especially suitable for mobile communications and automotive applications.Archived content is no longer updated and is made available for historical reference only.

特性 Features

Low power, high performance M68HC11 CPU core, with 4MHz bus capability



•Power saving PLL clock circuit, with automatic disable during WAIT mode


•32kbytes of User ROM (MC68HC11P2); 32kbytes User EPROM (MC68HC711P2)


•1kbyte of RAM


•640 bytes of byte-erasable User EEPROM, with on-chip charge pump


•Up to 50 general purpose I/O lines, plus up to 12 input-only lines


•Non-multiplexed address and data buses, permitting direct access to the full 64k address map


•16-bit timer with 3/4 input captures and 4/5 output compares; pulse accumulator and COP watchdog timer


•Three 8- or 9-bit SCI subsystems, two with MI BUS ? capability


•SPI subsystem, with software selectable MSB/LSB first option