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PDF MC9S08QB4 Data sheet ( Hoja de datos )
| Número de pieza | MC9S08QB4 | |
| Descripción | Microcontrollers | |
| Fabricantes | Freescale Semiconductor | |
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MC9S08QB8
MC9S08QB4
Reference Manual
HCS08
Microcontrollers
Related Documentation:
• MC9S08QB8 (Data Sheet)
Contains pin assignments and diagrams, all electrical
specifications, and mechanical drawing outlines.
Find the most current versions of all documents at:
http://www.freescale.com
MC9S08QB8RM
Rev. 1
10/2008
freescale.com
1 page  
MC9S08QB8 MCU Series Reference Manual
Covers: MC9S08QB8
MC9S08QB4
MC9S08QB8
Rev. 1
10/2008
Freescale Semiconductor
MC9S08QB8 MCU Series Reference Manual, Rev. 1
5
5 Page 
5.8.9 System Power Management Status and Control 3 Register (SPMSC3) ...........................79
5.8.10 System Clock Gating Control 1 Register (SCGC1) ..........................................................80
5.8.11 System Clock Gating Control 2 Register (SCGC2) ..........................................................81
Chapter 6
Parallel Input/Output Control
6.1 Port Data and Data Direction ..........................................................................................................83
6.2 Pullup, Slew Rate, and Drive Strength ............................................................................................84
6.2.1 Port Internal Pullup Enable ...............................................................................................84
6.2.2 Port Slew Rate Enable ......................................................................................................84
6.2.3 Port Drive Strength Select ................................................................................................84
6.3 Pin Behavior in Stop Modes ............................................................................................................85
6.4 Parallel I/O and Pin Control Registers ............................................................................................85
6.4.1 Port A Registers ................................................................................................................86
6.4.2 Port B Registers ................................................................................................................88
6.4.3 Port C Registers ................................................................................................................91
Chapter 7
Keyboard Interrupt (S08KBIV2)
7.1 Introduction .....................................................................................................................................95
7.1.1 KBI Clock Gating .............................................................................................................95
7.1.2 Features .............................................................................................................................97
7.1.3 Modes of Operation ..........................................................................................................97
7.1.4 Block Diagram ..................................................................................................................97
7.2 External Signal Description ............................................................................................................98
7.3 Register Definition ..........................................................................................................................99
7.3.1 KBI Interrupt Status and Control Register (KBISC) ........................................................99
7.3.2 KBI Interrupt Pin Select Register (KBIPE) ....................................................................100
7.3.3 KBI Interrupt Edge Select Register (KBIES) .................................................................100
7.4 Functional Description ..................................................................................................................100
7.4.1 Edge Only Sensitivity .....................................................................................................101
7.4.2 Edge and Level Sensitivity .............................................................................................101
7.4.3 Pullup/Pulldown Resistors ..............................................................................................101
7.4.4 Keyboard Interrupt Initialization ....................................................................................101
Chapter 8
Central Processor Unit (S08CPUV5)
8.1 Introduction ...................................................................................................................................103
8.1.1 Features ...........................................................................................................................103
8.2 Programmer’s Model and CPU Registers .....................................................................................104
8.2.1 Accumulator (A) .............................................................................................................104
8.2.2 Index Register (H:X) ......................................................................................................104
8.2.3 Stack Pointer (SP) ...........................................................................................................105
8.2.4 Program Counter (PC) ....................................................................................................105
8.2.5 Condition Code Register (CCR) .....................................................................................105
Freescale Semiconductor
MC9S08QB8 MCU Series Reference Manual, Rev. 1
11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet MC9S08QB4.PDF ] | |
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