M68EVB908GB60E Freescale Semiconductor, M68EVB908GB60E Datasheet - Page 10

• Manufacturer Part Number: M68EVB908GB60E
• Description: BOARD EVAL FOR MC9S08GB60
• Manufacturer: Freescale Semiconductor
• Type: MCUr

Specifications of M68EVB908GB60E

• Contents: Module and Misc Hardware
• Processor To Be Evaluated: MC9S08GB
• Data Bus Width: 8 bit
• Interface Type: RS-232
• Silicon Manufacturer: Freescale
• Core Architecture: HCS08
• Core Sub-architecture: HCS08
• Silicon Core Number: MC9S08
• Silicon Family Name: S08GB
• Kit Contents: GB60 Evaluation Kit
• Rohs Compliant: Yes
• For Use With/related Products: MC9S08GB60
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Section Number
7.1
7.2
7.3
7.4
7.5
10
Introduction .....................................................................................................................................99
External Signal Description ..........................................................................................................101
Functional Description ..................................................................................................................103
Initialization/Application Information ..........................................................................................110
ICG Registers and Control Bits .....................................................................................................117
7.1.1
7.1.2
7.2.1
7.2.2
7.2.3
7.2.4
7.3.1
7.3.2
7.3.3
7.3.4
7.3.5
7.3.6
7.3.7
7.3.8
7.3.9
7.4.1
7.4.2
7.4.3
7.4.4
7.4.5
7.5.1
7.5.2
7.5.3
7.5.4
7.5.5
7.5.6
Features ..........................................................................................................................100
Modes of Operation .......................................................................................................101
Overview ........................................................................................................................101
Detailed Signal Descriptions .........................................................................................102
External Clock Connections ..........................................................................................102
External Crystal/Resonator Connections .......................................................................102
Off Mode (Off) ..............................................................................................................103
Self-Clocked Mode (SCM) ............................................................................................104
FLL Engaged, Internal Clock (FEI) Mode ....................................................................105
FLL Bypassed, External Clock (FBE) Mode ................................................................106
FLL Engaged, External Clock (FEE) Mode ..................................................................106
FLL Lock and Loss-of-Lock Detection .........................................................................107
FLL Loss-of-Clock Detection ........................................................................................107
Clock Mode Requirements ............................................................................................108
Fixed Frequency Clock ..................................................................................................109
Introduction ....................................................................................................................110
Example #1: External Crystal = 32 kHz, Bus Frequency = 4.19 MHz .........................112
Example #2: External Crystal = 4 MHz, Bus Frequency = 20 MHz ............................113
Example #3: No External Crystal Connection, 5.4 MHz Bus Frequency .....................114
Example #4: Internal Clock Generator Trim .................................................................116
ICG Control Register 1 (ICGC1) ......................................................................118
ICG Control Register 2 (ICGC2) ......................................................................119
ICG Status Register 1 (ICGS1) .................................................................................120
ICG Status Register 2 (ICGS2) ........................................................................122
ICG Filter Registers (ICGFLTU, ICGFLTL) .......................................................122
ICG Trim Register (ICGTRM) ...........................................................................123
7.2.2.1
7.2.2.2
7.3.1.1
7.3.1.2
7.3.1.3
7.3.3.1
7.3.3.2
7.3.5.1
7.3.5.2
Internal Clock Generator (ICG) Module
EXTAL— External Reference Clock / Oscillator Input ...............................102
XTAL— Oscillator Output ...........................................................................102
OSCSTEN Bit Set .........................................................................................103
Stop/Off Mode Recovery ..............................................................................104
FLL Engaged Internal Unlocked ..................................................................105
FLL Engaged Internal Locked ......................................................................106
FLL Engaged External Unlocked .................................................................106
FLL Engaged External Locked .....................................................................107
BDM Active .................................................................................................103
MC9S08GB/GT Data Sheet, Rev. 2.3
Chapter 7
Title
Freescale Semiconductor
Page