Section Number

Title

Page

 

11.1.5

Block Diagram

219

11.2

External Signal Description

220

 

11.2.1

Analog Power (VDDAD)

221

 

11.2.2

Analog Ground (VSSAD)

221

 

11.2.3

Voltage Reference High (VREFH)

221

 

11.2.4

Voltage Reference Low (VREFL)

221

 

11.2.5

Analog Channel Inputs (ADx)

221

11.3

Register Definition

........................................................................................................................

221

 

11.3.1

Status and Control Register 1 (ADCSC1)

221

 

11.3.2

Status and Control Register 2 (ADCSC2)

223

 

11.3.3

Data Result High Register (ADCRH)

223

 

11.3.4

Data Result Low Register (ADCRL)

224

 

11.3.5

Compare Value High Register (ADCCVH)

224

 

11.3.6 Compare Value Low Register (ADCCVL)

225

 

11.3.7

Configuration Register (ADCCFG)

225

 

11.3.8

Pin Control 1 Register (APCTL1)

226

 

11.3.9

Pin Control 2 Register (APCTL2)

227

 

11.3.10Pin Control 3 Register (APCTL3)

228

11.4

Functional Description

229

 

11.4.1

Clock Select and Divide Control

230

 

11.4.2

Input Select and Pin Control

230

 

11.4.3

Hardware Trigger

230

 

11.4.4

Conversion Control

230

 

 

11.4.4.1

Initiating Conversions

231

 

 

11.4.4.2

Completing Conversions

231

 

 

11.4.4.3

Aborting Conversions

231

 

 

11.4.4.4

Power Control

232

 

 

11.4.4.5 Sample Time and Total Conversion Time

232

 

11.4.5

Automatic Compare Function

233

 

11.4.6 MCU Wait Mode Operation

233

 

11.4.7 MCU Stop3 Mode Operation

234

 

 

11.4.7.1 Stop3 Mode With ADACK Disabled

234

 

 

11.4.7.2 Stop3 Mode With ADACK Enabled

234

 

11.4.8 MCU Stop2 Mode Operation

234

11.5

Initialization Information

234

 

11.5.1

ADC Module Initialization Example

235

 

 

11.5.1.1

Initialization Sequence

235

 

 

11.5.1.2

Pseudo-Code Example

235

11.6

Application Information

236

 

11.6.1

External Pins and Routing

236

 

 

11.6.1.1

Analog Supply Pins

237

 

 

11.6.1.2

Analog Reference Pins

237

 

 

 

MCF51QE128 MCU Series Reference Manual, Rev. 3

 

 

 

 

Freescale Semiconductor

 

15

 

 

 

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Freescale Semiconductor MCF51QE128RM manual 11.1.5