NXP Semiconductors MC9S08QL4, Reference Manual

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MC9S08QL8 MCU Series Reference Manual, Rev. 1
NXP Semiconductors 5
Contents
Section Number Title Page
Chapter 1
Device Overview
1.1 Devices in the MC9S08QL8 Series ................................................................................................13
1.2 MCU Block Diagram ......................................................................................................................14
1.3 System Clock Distribution ..............................................................................................................15
Chapter 2
Pins and Connections
2.1 Introduction .....................................................................................................................................17
2.2 Device Pin Assignment ...................................................................................................................17
2.3 Recommended System Connections ...............................................................................................19
2.4 Pin Detail .........................................................................................................................................20
2.4.1 Power Pins ........................................................................................................................20
2.4.2 Oscillator ...........................................................................................................................20
2.4.3 RESET Pin ........................................................................................................................21
2.4.4 Background / Mode Select (BKGD/MS) ..........................................................................21
2.4.5 General-Purpose I/O (GPIO) and Peripheral Ports ...........................................................22
Chapter 3
Modes of Operation
3.1 Introduction .....................................................................................................................................25
3.2 Features ...........................................................................................................................................25
3.3 Run Mode ........................................................................................................................................25
3.3.1 Low Power Run Mode (LPRun) .......................................................................................25
3.4 Active Background Mode ...............................................................................................................26
3.5 Wait Mode .......................................................................................................................................27
3.5.1 Low Power Wait Mode (LPWait) .....................................................................................27
3.6 Stop Modes ......................................................................................................................................28
3.6.1 Stop2 Mode .......................................................................................................................29
3.6.2 Stop3 Mode .......................................................................................................................30
3.6.3 Active BDM Enabled in Stop Mode .................................................................................31
3.6.4 LVD Enabled in Stop Mode ..............................................................................................31
3.6.5 Stop Modes in Low Power Run Mode ..............................................................................31
3.7 Mode Selection ................................................................................................................................31
3.7.1 On-Chip Peripheral Modules in Stop and Low Power Modes .........................................34
Chapter 4
Memory
4.1 MC9S08QL8 Series Memory Map .................................................................................................37