MC9S08DZ96F2CLL datasheet(13/458 Pages) FREESCALE

13 / 458 page

MC9S08DZ128 Series Data Sheet, Rev. 1

Freescale Semiconductor

Section Number

Title

Page

9.3

Memory Map .................................................................................................................................203

9.3.1

Register Descriptions ......................................................................................................203

9.4

Functional Description ...................................................................................................................205

Chapter 10

Analog-to-Digital Converter (S08ADC12V1)

10.1 Introduction ....................................................................................................................................207

10.1.1 Channel Assignments ......................................................................................................207

10.1.2 Analog Power and Ground Signal Names ......................................................................207

10.1.3 Alternate Clock ...............................................................................................................208

10.1.4 Hardware Trigger ............................................................................................................208

10.1.5 Temperature Sensor ........................................................................................................209

10.1.6 Features ...........................................................................................................................211

10.1.7 ADC Module Block Diagram .........................................................................................211

10.2 External Signal Description ...........................................................................................................212

10.2.1 Analog Power (VDDAD) ..................................................................................................213

10.2.2 Analog Ground (VSSAD) .................................................................................................213

10.2.3 Voltage Reference High (VREFH) ...................................................................................213

10.2.4 Voltage Reference Low (VREFL) .....................................................................................213

10.2.5 Analog Channel Inputs (ADx) ........................................................................................213

10.3 Register Deﬁnition .........................................................................................................................213

10.3.1 Status and Control Register 1 (ADCSC1) ......................................................................213

10.3.2 Status and Control Register 2 (ADCSC2) ......................................................................215

10.3.3 Data Result High Register (ADCRH) .............................................................................215

10.3.4 Data Result Low Register (ADCRL) ..............................................................................216

10.3.5 Compare Value High Register (ADCCVH) ....................................................................216

10.3.6 Compare Value Low Register (ADCCVL) .....................................................................217

10.3.7 Conﬁguration Register (ADCCFG) ................................................................................217

10.3.8 Pin Control 1 Register (APCTL1) ..................................................................................218

10.3.9 Pin Control 2 Register (APCTL2) ..................................................................................219

10.3.10Pin Control 3 Register (APCTL3) ..................................................................................220

10.4 Functional Description ...................................................................................................................221

10.4.1 Clock Select and Divide Control ....................................................................................222

10.4.2 Input Select and Pin Control ...........................................................................................222

10.4.3 Hardware Trigger ............................................................................................................222

10.4.4 Conversion Control .........................................................................................................222

10.4.5 Automatic Compare Function .........................................................................................225

10.4.6 MCU Wait Mode Operation ............................................................................................225

10.4.7 MCU Stop3 Mode Operation ..........................................................................................226

10.4.8 MCU Stop2 Mode Operation ..........................................................................................226

10.5 Initialization Information ...............................................................................................................227

10.5.1 ADC Module Initialization Example .............................................................................227

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