参数资料
型号: MC68HCP11A1CFNE3
厂商: MOTOROLA INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, EEPROM, 3 MHz, MICROCONTROLLER, PQCC52
封装: PLASTIC, LCC-52
文件页数: 35/158页
文件大小: 776K
代理商: MC68HCP11A1CFNE3
MC68HC11A8
INTRODUCTION
MOTOROLA
TECHNICAL DATA
1-1
1
1 INTRODUCTION
The HCMOS MC68HC11A8 is an advanced 8-bit microcontroller (MCU) with highly
sophisticated on-chip peripheral capabilities. A fully static design and high-density
complementary metal-oxide semiconductor (HCMOS) fabrication process allow E-se-
ries devices to operate at frequencies from 3 MHz to dc, with very low power consump-
tion.
1.1 Features
The following are some of the hardware and software highlights.
1.1.1 Hardware Features
8 Kbytes of ROM
512 Bytes of EEPROM
256 Bytes of RAM (All Saved During Standby) Relocatable to Any 4K Boundary
Enhanced 16-Bit Timer System:
— Four Stage Programmable Prescaler
— Three Input Capture Functions
— Five Output Compare Functions
8-Bit Pulse Accumulator Circuit
Enhanced NRZ Serial Communications Interface (SCI)
Serial Peripheral Interface (SPI)
Eight Channel, 8-Bit Analog-to-Digital Converter
Real Time Interrupt Circuit
Computer Operating Properly (COP) Watchdog System
Available in Dual-In-Line or Leaded Chip Carrier Packages
1.1.2 Software Features
Enhanced M6800/M6801 Instruction Set
16 x 16 Integer and Fractional Divide Features
Bit Manipulation
WAIT Mode
STOP Mode
1.2 General Description
The high-density CMOS technology (HCMOS) used on the MC68HC11A8 combines
smaller size and higher speeds with the low power and high noise immunity of CMOS.
On-chip memory systems include 8 Kbytes of ROM, 512 bytes of electrically erasable
programmable ROM (EEPROM), and 256 bytes of static RAM.
A block diagram of the MC68HC11A8 is shown in Figure 1-1. Major peripheral func-
tions are provided on-chip. An eight channel analog-to-digital (A/D) converter is includ-
ed with eight bits of resolution. An asynchronous serial communications interface
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