MC9S08AC16_0911 Datasheet, PDF (13/336 Pages) Freescale Semiconductor, Inc – HCS08 Microcontrollers

Section Number
Title
Page
8.3.6 ICG Trim Register (ICGTRM) ........................................................................................137
8.4 Functional Description ..................................................................................................................137
8.4.1 Off Mode (Off) ................................................................................................................138
8.4.2 Self-Clocked Mode (SCM) .............................................................................................138
8.4.3 FLL Engaged, Internal Clock (FEI) Mode .....................................................................139
8.4.4 FLL Engaged Internal Unlocked ....................................................................................140
8.4.5 FLL Engaged Internal Locked ........................................................................................140
8.4.6 FLL Bypassed, External Clock (FBE) Mode ..................................................................140
8.4.7 FLL Engaged, External Clock (FEE) Mode ...................................................................140
8.4.8 FLL Lock and Loss-of-Lock Detection ..........................................................................141
8.4.9 FLL Loss-of-Clock Detection .........................................................................................142
8.4.10 Clock Mode Requirements .............................................................................................143
8.4.11 Fixed Frequency Clock ...................................................................................................144
8.4.12 High Gain Oscillator .......................................................................................................144
8.5 Initialization/Application Information ..........................................................................................144
8.5.1 Introduction .....................................................................................................................144
8.5.2 Example #1: External Crystal = 32 kHz, Bus Frequency = 4.19 MHz ...........................146
8.5.3 Example #2: External Crystal = 4 MHz, Bus Frequency = 20 MHz ..............................148
8.5.4 Example #3: No External Crystal Connection, 5.4 MHz Bus Frequency ......................150
8.5.5 Example #4: Internal Clock Generator Trim ..................................................................152
Chapter 9
Keyboard Interrupt (S08KBIV1)
9.1 Introduction ...................................................................................................................................153
9.2 Keyboard Pin Sharing ...................................................................................................................153
9.3 Features .........................................................................................................................................153
9.3.1 KBI Block Diagram ........................................................................................................155
9.4 Register Definition ........................................................................................................................155
9.4.1 KBI Status and Control Register (KBISC) .....................................................................156
9.4.2 KBI Pin Enable Register (KBIPE) ..................................................................................157
9.5 Functional Description ..................................................................................................................157
9.5.1 Pin Enables .....................................................................................................................157
9.5.2 Edge and Level Sensitivity .............................................................................................157
9.5.3 KBI Interrupt Controls ....................................................................................................158
Chapter 10
Timer/PWM (S08TPMV3)
10.1 Introduction ...................................................................................................................................159
10.2 Features .........................................................................................................................................159
10.3 TPMV3 Differences from Previous Versions ................................................................................161
10.3.1 Migrating from TPMV1 ..................................................................................................163
10.3.2 Features ...........................................................................................................................164
MC9S08AC16 Series Data Sheet, Rev. 8
Freescale Semiconductor
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