參數(shù)資料
型號: MC68HC11A8BMP2
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: HCMOS Single-Chip Microcontroller
中文描述: 8-BIT, MROM, 2 MHz, MICROCONTROLLER, PDIP48
封裝: DIP-48
文件頁數(shù): 3/158頁
文件大?。?/td> 776K
代理商: MC68HC11A8BMP2
MC68HC11A8
TECHNICAL DATA
MOTOROLA
iii
TABLE OF CONTENTS
Paragraph
Number
Page
Title
Number
1 INTRODUCTION
1.1
1.1.1
1.1.2
1.2
1.3
1.4
Features ....................................................................................................1-1
Hardware Features ............................................................................1-1
Software Features .............................................................................1-1
General Description ...................................................................................1-1
Programmer’s Model .................................................................................1-2
Summary of M68HC11 Family ..................................................................1-3
2 SIGNAL DESCRIPTIONS AND OPERATING MODES
2.1
2.1.1
2.1.2
2.1.3
2.1.4
2.1.5
2.1.6
2.1.7
LIR, MODB/V
2.1.8
2.1.9
2.1.10
2.1.11
2.1.11.1
2.1.11.2
2.1.11.3
2.1.11.4
2.1.11.5
2.2
2.2.1
2.2.2
2.2.3
2.2.4
2.2.5
Signal Pin Descriptions .............................................................................2-1
Input Power (V
DD
) and Ground (V
Reset (RESET) ..................................................................................2-1
Crystal Driver and External Clock Input (XTAL, EXTAL) ...................2-1
E Clock Output (E) ............................................................................2-3
Interrupt Request (IRQ) .....................................................................2-3
Non-Maskable Interrupt (XIRQ) .........................................................2-3
Mode A/Load Instruction Register and Mode B/Standby Voltage (MODA/
) 2-3
A/D Converter Reference Voltages (V
Strobe B and Read/Write (STRB/R/W) .............................................2-4
Strobe A and Address Strobe (STRA/AS) .........................................2-4
Port Signals .......................................................................................2-4
Port A ........................................................................................2-5
Port B ........................................................................................2-5
Port C ........................................................................................2-5
Port D ........................................................................................2-5
Port E ........................................................................................2-6
Operating Modes .......................................................................................2-6
Single-Chip Operating Mode .............................................................2-6
Expanded Multiplexed Operating Mode ............................................2-6
Special Bootstrap Operating Mode ...................................................2-8
Additional Boot Loader Program Options ........................................2-10
Special Test Operating Mode ..........................................................2-10
SS
) ................................................2-1
STBY
RL
, V
RH
) .................................2-4
3 ON-CHIP MEMORY
3.1
3.2
3.3
3.4
3.5
3.5.1
Memory Maps ............................................................................................3-1
RAM and I/O Mapping Register (INIT) ......................................................3-4
ROM ..........................................................................................................3-5
RAM ..........................................................................................................3-5
EEPROM ...................................................................................................3-5
EEPROM Programming Control Register (PPROG) .........................3-6
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