MC9S08SH32CWL Datasheet, PDF (12/328 Pages) Freescale Semiconductor, Inc – MC9S08SH32 Series Features

Section Number
Title
Page
8.2 Features ......................................................................................................................................... 115
8.3 Modes of Operation....................................................................................................................... 115
8.4 Block Diagram .............................................................................................................................. 115
8.5 External Signal Description .......................................................................................................... 117
8.6 Memory Map ................................................................................................................................ 117
8.6.1 Register Descriptions ...................................................................................................... 117
8.7 Functional Description .................................................................................................................. 119
Chapter 9
Analog-to-Digital Converter (S08ADCV1)
9.1 Introduction ................................................................................................................................... 121
9.1.1 Channel Assignments...................................................................................................... 121
9.1.2 Analog Power and Ground Signal Names ...................................................................... 122
9.1.3 Alternate Clock ............................................................................................................... 122
9.1.4 Hardware Trigger ............................................................................................................ 122
9.1.5 Temperature Sensor ........................................................................................................ 122
9.1.6 Features ........................................................................................................................... 125
9.1.7 Block Diagram ................................................................................................................ 125
9.2 External Signal Description .......................................................................................................... 126
9.2.1
9.2.2
9.2.3
9.2.4
9.2.5
Analog Power (V_DDAD) .................................................................................................. 127
Analog Ground (V_SSAD)................................................................................................. 127
Voltage Reference High (V_REFH) ................................................................................... 127
Voltage Reference Low (V_REFL)..................................................................................... 127
Analog Channel Inputs (ADx) ........................................................................................ 127
9.3 Register Definition ........................................................................................................................ 127
9.3.1 Status and Control Register 1 (ADCSC1) ...................................................................... 127
9.3.2 Status and Control Register 2 (ADCSC2) ...................................................................... 129
9.3.3 Data Result High Register (ADCRH)............................................................................. 130
9.3.4 Data Result Low Register (ADCRL) .............................................................................. 130
9.3.5 Compare Value High Register (ADCCVH) .................................................................... 131
9.3.6 Compare Value Low Register (ADCCVL) ..................................................................... 131
9.3.7 Configuration Register (ADCCFG) ................................................................................ 131
9.3.8 Pin Control 1 Register (APCTL1) .................................................................................. 133
9.3.9 Pin Control 2 Register (APCTL2) .................................................................................. 134
9.3.10 Pin Control 3 Register (APCTL3) .................................................................................. 135
9.4 Functional Description .................................................................................................................. 136
9.4.1 Clock Select and Divide Control .................................................................................... 136
9.4.2 Input Select and Pin Control ........................................................................................... 137
9.4.3 Hardware Trigger ............................................................................................................ 137
9.4.4 Conversion Control ......................................................................................................... 137
9.4.5 Automatic Compare Function......................................................................................... 140
9.4.6 MCU Wait Mode Operation............................................................................................ 140
MC9S08SH32 Series Data Sheet, Rev. 2
12
Freescale Semiconductor
PRELIMINARY