HCS08 datasheet(13/198 Pages) NXP

13 / 198 page

MC9S08QD4 Series MCU Data Sheet, Rev. 6

Freescale Semiconductor

9.5

Module Initialization ....................................................................................................................132

9.5.1 ICS Module Initialization Sequence ...............................................................................132

Chapter 10

Keyboard Interrupt (S08KBIV2)

10.1 Introduction ...................................................................................................................................135

10.1.1 Features ...........................................................................................................................137

10.1.2 Modes of Operation ........................................................................................................137

10.1.3 Block Diagram ................................................................................................................137

10.2 External Signal Description ..........................................................................................................138

10.3 Register Definition ........................................................................................................................138

10.3.1 KBI Status and Control Register (KBISC) .....................................................................138

10.3.2 KBI Pin Enable Register (KBIPE) ..................................................................................139

10.3.3 KBI Edge Select Register (KBIES) ................................................................................139

10.4 Functional Description ..................................................................................................................140

10.4.1 Edge Only Sensitivity .....................................................................................................140

10.4.2 Edge and Level Sensitivity .............................................................................................140

10.4.3 KBI Pullup/Pulldown Resistors ......................................................................................141

10.4.4 KBI Initialization ............................................................................................................141

Chapter 11

Timer/Pulse-Width Modulator (S08TPMV2)

11.1 Introduction ...................................................................................................................................143

11.1.1 TPM2 Configuration Information ...................................................................................143

11.1.2 TCLK1 and TCLK2 Configuration Information ............................................................143

11.1.3 Features ...........................................................................................................................145

11.1.4 Block Diagram ................................................................................................................145

11.2 External Signal Description ..........................................................................................................147

11.2.1 External TPM Clock Sources .........................................................................................147

11.2.2 TPMxCHn — TPMx Channel n I/O Pins .......................................................................147

11.3 Register Definition ........................................................................................................................147

11.3.1 Timer Status and Control Register (TPMxSC) ...............................................................148

11.3.2 Timer Counter Registers (TPMxCNTH:TPMxCNTL) ...................................................149

11.3.3 Timer Counter Modulo Registers (TPMxMODH:TPMxMODL) ..................................150

11.3.4 Timer Channel n Status and Control Register (TPMxCnSC) .........................................151

11.3.5 Timer Channel Value Registers (TPMxCnVH:TPMxCnVL) .........................................152

11.4 Functional Description ..................................................................................................................153

11.4.1 Counter ............................................................................................................................153

11.4.2 Channel Mode Selection .................................................................................................154

11.4.3 Center-Aligned PWM Mode ...........................................................................................156

11.5 TPM Interrupts ..............................................................................................................................157

11.5.1 Clearing Timer Interrupt Flags .......................................................................................157

11.5.2 Timer Overflow Interrupt Description ............................................................................157

11.5.3 Channel Event Interrupt Description ..............................................................................158

11.5.4 PWM End-of-Duty-Cycle Events ...................................................................................158

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