mc9s08ac16 Freescale Semiconductor, Inc, mc9s08ac16 Datasheet - Page 13

• Manufacturer Part Number: mc9s08ac16
• Description: Hcs08 Microcontrollers 8-bit Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Section Number
8.4
8.5
9.1
9.2
9.3
9.4
9.5
10.1 Introduction ...................................................................................................................................165
10.2 Features .........................................................................................................................................165
10.3 TPMV3 Differences from Previous Versions ................................................................................168
Freescale Semiconductor
Functional Description ..................................................................................................................142
Initialization/Application Information ..........................................................................................149
Introduction ...................................................................................................................................159
Keyboard Pin Sharing ....................................................................................................................159
Features .........................................................................................................................................159
Register Definition ........................................................................................................................161
Functional Description ..................................................................................................................163
8.3.6 ICG Trim Register (ICGTRM) .......................................................................................142
8.4.1 Off Mode (Off) ................................................................................................................143
8.4.2 Self-Clocked Mode (SCM) .............................................................................................143
8.4.3 FLL Engaged, Internal Clock (FEI) Mode .....................................................................144
8.4.4 FLL Engaged Internal Unlocked ....................................................................................145
8.4.5 FLL Engaged Internal Locked ........................................................................................145
8.4.6 FLL Bypassed, External Clock (FBE) Mode ..................................................................145
8.4.7 FLL Engaged, External Clock (FEE) Mode ...................................................................145
8.4.8 FLL Lock and Loss-of-Lock Detection ..........................................................................146
8.4.9 FLL Loss-of-Clock Detection .........................................................................................147
8.4.10 Clock Mode Requirements .............................................................................................148
8.4.11 Fixed Frequency Clock ...................................................................................................149
8.4.12 High Gain Oscillator .......................................................................................................149
8.5.1 Introduction .....................................................................................................................149
8.5.2 Example #1: External Crystal = 32 kHz, Bus Frequency = 4.19 MHz ...........................151
8.5.3 Example #2: External Crystal = 4 MHz, Bus Frequency = 20 MHz ..............................153
8.5.4 Example #3: No External Crystal Connection, 5.4 MHz Bus Frequency ......................155
8.5.5 Example #4: Internal Clock Generator Trim ..................................................................157
9.3.1 KBI Block Diagram ........................................................................................................161
9.4.1 KBI Status and Control Register (KBISC) .....................................................................162
9.4.2 KBI Pin Enable Register (KBIPE) ..................................................................................163
9.5.1 Pin Enables ......................................................................................................................163
9.5.2 Edge and Level Sensitivity ..............................................................................................163
9.5.3 KBI Interrupt Controls ....................................................................................................164
10.3.1 Migrating from TPMV1 ..................................................................................................170
10.3.2 Features ...........................................................................................................................171
Keyboard Interrupt (S08KBIV1)
MC9S08AC16 Series Data Sheet, Rev. 0
Timer/PWM (S08TPMV3)
Chapter 10
Chapter 9
PRELIMINARY
Title
Page
13