HCS08 datasheet(14/316 Pages) NXP

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MC9S08SG8 MCU Series Data Sheet, Rev. 8

Freescale Semiconductor

Section Number

Title

Page

8.1.5 Modes of Operation ........................................................................................................113

8.1.6 Block Diagram ................................................................................................................113

8.2

External Signal Description ..........................................................................................................115

8.3

Memory Map ................................................................................................................................115

8.3.1 Register Descriptions ......................................................................................................115

8.4

Functional Description ..................................................................................................................117

Chapter 9

Analog-to-Digital Converter (S08ADCV1)

9.1

Introduction ...................................................................................................................................119

9.1.1 Channel Assignments .....................................................................................................119

9.1.2 Alternate Clock ...............................................................................................................120

9.1.3 Hardware Trigger ............................................................................................................120

9.1.4 Temperature Sensor ........................................................................................................120

9.1.5 Features ...........................................................................................................................123

9.1.6 Block Diagram ................................................................................................................123

9.2

External Signal Description ..........................................................................................................124

9.2.1 Analog Power (VDDAD) ..................................................................................................125

9.2.2 Analog Ground (VSSAD) .................................................................................................125

9.2.3 Voltage Reference High (VREFH) ...................................................................................125

9.2.4 Voltage Reference Low (VREFL) ....................................................................................125

9.2.5 Analog Channel Inputs (ADx) ........................................................................................125

9.3

Register Definition ........................................................................................................................125

9.3.1 Status and Control Register 1 (ADCSC1) ......................................................................125

9.3.2 Status and Control Register 2 (ADCSC2) ......................................................................127

9.3.3 Data Result High Register (ADCRH) .............................................................................128

9.3.4 Data Result Low Register (ADCRL) ..............................................................................128

9.3.5 Compare Value High Register (ADCCVH) ....................................................................129

9.3.6 Compare Value Low Register (ADCCVL) .....................................................................129

9.3.7 Configuration Register (ADCCFG) ................................................................................129

9.3.8 Pin Control 1 Register (APCTL1) ..................................................................................131

9.3.9 Pin Control 2 Register (APCTL2) ..................................................................................132

9.3.10 Pin Control 3 Register (APCTL3) ..................................................................................133

9.4

Functional Description ..................................................................................................................134

9.4.1 Clock Select and Divide Control ....................................................................................134

9.4.2 Input Select and Pin Control ...........................................................................................135

9.4.3 Hardware Trigger ............................................................................................................135

9.4.4 Conversion Control .........................................................................................................135

9.4.5 Automatic Compare Function .........................................................................................138

9.4.6 MCU Wait Mode Operation ............................................................................................138

9.4.7 MCU Stop3 Mode Operation ..........................................................................................138

9.4.8 MCU Stop1 and Stop2 Mode Operation .........................................................................139

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