Contents
Section Number
Title
Page
Chapter 1
Introduction
1.1
1.2
Overview .........................................................................................................................................17
Features ...........................................................................................................................................17
1.2.1 Standard Features of the HCS08 Family .........................................................................17
1.2.2 Features of MC9S08GB/GT Series of MCUs .................................................................17
1.2.3 Devices in the MC9S08GB/GT Series ............................................................................18
MCU Block Diagrams .....................................................................................................................19
System Clock Distribution ..............................................................................................................21
1.3
1.4
Chapter 2
Pins and Connections
2.1
2.2
2.3
Introduction .....................................................................................................................................23
Device Pin Assignment ...................................................................................................................23
Recommended System Connections ...............................................................................................26
2.3.1 Power ...............................................................................................................................28
2.3.2 Oscillator ..........................................................................................................................28
2.3.3 Reset ................................................................................................................................28
2.3.4 Background / Mode Select (PTG0/BKGD/MS) ..............................................................29
2.3.5 General-Purpose I/O and Peripheral Ports .......................................................................29
2.3.6 Signal Properties Summary .............................................................................................31
Chapter 3
Modes of Operation
3.1
3.2
3.3
3.4
3.5
3.6
Introduction .....................................................................................................................................33
Features ...........................................................................................................................................33
Run Mode ........................................................................................................................................33
Active Background Mode ................................................................................................................33
Wait Mode .......................................................................................................................................34
Stop Modes ......................................................................................................................................34
3.6.1 Stop1 Mode ......................................................................................................................35
3.6.2 Stop2 Mode ......................................................................................................................35
3.6.3 Stop3 Mode ......................................................................................................................36
3.6.4 Active BDM Enabled in Stop Mode ................................................................................36
3.6.5 LVD Enabled in Stop Mode .............................................................................................37
3.6.6 On-Chip Peripheral Modules in Stop Modes ...................................................................37
MC9S08GB/GT Data Sheet, Rev. 2.3
Freescale Semiconductor
7
FREESCALE [ FREESCALE SEMICONDUCTOR, INC ]
