參數(shù)資料
型號： MC68HC912BL16FU8
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 16-BIT, FLASH, 8 MHz, MICROCONTROLLER, PQFP64
封裝： QFP-64
文件頁數(shù)： 52/128頁
文件大?。?/td> 3326K
代理商： MC68HC912BL16FU8
Section
Page
TABLE OF CONTENTS
MC68HC912BL16TS/D
3
1
Introduction
1
1.1
Features ......................................................................................................................................1
1.2
Ordering Information ...................................................................................................................2
1.3
MC68HC912BL16 Block Diagram ...............................................................................................5
2
Central Processing Unit
6
2.1
Programming Model ....................................................................................................................6
2.2
Data Types ..................................................................................................................................7
2.3
Addressing Modes .......................................................................................................................7
2.4
Indexed Addressing Modes .........................................................................................................8
2.5
Opcodes and Operands ..............................................................................................................8
3
Pinout and Signal Descriptions
9
3.1
MC68HC912BL16 Pin Assignments ...........................................................................................9
3.2
Power Supply Pins ....................................................................................................................10
3.3
Signal Descriptions ....................................................................................................................11
3.4
Port Signals ...............................................................................................................................15
3.5
Port Pull-Up, Pull-Down and Reduced Drive .............................................................................19
4
Register Block
20
5
Operating Modes and Resource Mapping
25
5.1
Operating Modes .......................................................................................................................25
5.2
Background Debug Mode ..........................................................................................................26
5.3
Internal Resource Mapping .......................................................................................................28
5.4
Memory Maps ............................................................................................................................31
6
Bus Control and Input/Output
32
6.1
Detecting Access Type from External Signals ..........................................................................32
6.2
Registers ...................................................................................................................................32
7
Flash EEPROM
37
7.1
Overview ...................................................................................................................................37
7.2
Flash EEPROM Control Block ...................................................................................................37
7.3
Flash EEPROM Array ...............................................................................................................37
7.4
Flash EEPROM Registers .........................................................................................................37
7.5
Operation ...................................................................................................................................40
7.6
Programming the Flash EEPROM ............................................................................................42
7.7
Erasing the Flash EEPROM ......................................................................................................44
7.8
Program/Erase Protection Interlocks .........................................................................................46
7.9
Stop or Wait Mode .....................................................................................................................46
7.10
Test Mode .................................................................................................................................46
7.11
FLASH Program/Erase Voltage Signal Conditioning ................................................................46
8
EEPROM
49
8.1
EEPROM Programmer’s Model ................................................................................................49
8.2
EEPROM Control Registers ......................................................................................................50
9
Resets and Interrupts
54
9.1
Exception Priority ......................................................................................................................54
9.2
Maskable Interrupts ...................................................................................................................54
9.3
Interrupt Control and Priority Registers .....................................................................................55
9.4
Resets .......................................................................................................................................56
9.5
Effects of Reset .........................................................................................................................56
9.6
Register Stacking ......................................................................................................................57
10
Clock Functions
59
10.1
Clock Sources ...........................................................................................................................59
10.2
Computer Operating Properly (COP) ........................................................................................59
10.3
Real-Time Interrupt ...................................................................................................................59
10.4
Clock Monitor ............................................................................................................................59
10.5
Clock Function Registers ..........................................................................................................60
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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