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6 to select how to activate the a/d converter – FUJITSU MB91460 SERIES FR60 User Manual

Page 919

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903

Chapter 44 A/D Converter

6.Q & A

* Analogue input channels AN14 and AN15 can be also used as D/A converter outputs. In case of exclusive A/D converter

usage do not enable the D/A converter output with DACR.DAE[1:0] since this has priority over A/D converter input. See
chapter “

D/A Converter (Page No.909)

” for further information about D/A converter.

6.5 How do I enable analog pin input for Stepper Motor Controller?

Use Port Function register PFR and Extra Port Function register EPFR.

See chapter “

Stepper Motor Controller (Page No.871)

” about using the A/D converter for SMC operation.

6.6 To select how to activate the A/D converter

There are three types of activation triggers:

• Software trigger

• Reload timer rising signal

• External trigger input falling signal

To set an activation trigger, use Activation Trigger Selection bits (ADCS.STS[1: 0]).

To program the AN18 pin as an input

PFR27.2 = ‘1’

EPFR27.2 = ‘1’

To program the AN19 pin as an input

PFR27.3 = ‘1’

EPFR27.3 = ‘1’

To program the AN20 pin as an input

PFR27.4 = ‘1’

EPFR27.4 = ‘1’

To program the AN21 pin as an input

PFR27.5 = ‘1’

EPFR27.5 = ‘1’

To program the AN22 pin as an input

PFR27.6 = ‘1’

EPFR27.6 = ‘1’

To program the AN23 pin as an input

PFR27.7 = ‘1’

EPFR27.7 = ‘1’

To program the AN24 pin as an input

PFR26.0 = ‘1’

EPFR26.0 = ‘1’

To program the AN25 pin as an input

PFR26.1 = ‘1’

EPFR26.1 = ‘1’

To program the AN26 pin as an input

PFR26.2 = ‘1’

EPFR26.2 = ‘1’

To program the AN27 pin as an input

PFR26.3 = ‘1’

EPFR26.3 = ‘1’

To program the AN28 pin as an input

PFR26.4 = ‘1’

EPFR26.4 = ‘1’

To program the AN29 pin as an input

PFR26.5 = ‘1’

EPFR26.5 = ‘1’

To program the AN30 pin as an input

PFR26.6 = ‘1’

EPFR26.6 = ‘1’

To program the AN31 pin as an input

PFR26.7 = ‘1’

EPFR26.7 = ‘1’

Operation

PFR setting

EPFR setting

To program the AN16 pin as an input for SMC1P0

PFR27.0 = ‘1’

EPFR27.0 = ‘0’

To program the AN17 pin as an input for SMC1M0

PFR27.1 = ‘1’

EPFR27.1 = ‘0’

To program the AN18 pin as an input for SMC2P0

PFR27.2 = ‘1’

EPFR27.2 = ‘0’

To program the AN19 pin as an input for SMC2M0

PFR27.3 = ‘1’

EPFR27.3 = ‘0’

To program the AN20 pin as an input for SMC1P1

PFR27.4 = ‘1’

EPFR27.4 = ‘0’

To program the AN21 pin as an input for SMC1M1

PFR27.5 = ‘1’

EPFR27.5 = ‘0’

To program the AN22 pin as an input for SMC2P1

PFR27.6 = ‘1’

EPFR27.6 = ‘0’

To program the AN23 pin as an input for SMC2M1

PFR27.7 = ‘1’

EPFR27.7 = ‘0’

To program the AN24 pin as an input for SMC1P2

PFR26.0 = ‘1’

EPFR26.0 = ‘0’

To program the AN25 pin as an input for SMC1M2

PFR26.1 = ‘1’

EPFR26.1 = ‘0’

To program the AN26 pin as an input for SMC2P2

PFR26.2 = ‘1’

EPFR26.2 = ‘0’

To program the AN27 pin as an input for SMC2M2

PFR26.3 = ‘1’

EPFR26.3 = ‘0’

To program the AN28 pin as an input for SMC1P3

PFR26.4 = ‘1’

EPFR26.4 = ‘0’

To program the AN29 pin as an input for SMC1M3

PFR26.5 = ‘1’

EPFR26.5 = ‘0’

To program the AN30 pin as an input for SMC2P3

PFR26.6 = ‘1’

EPFR26.6 = ‘0’

To program the AN31 pin as an input for SMC2M3

PFR26.7 = ‘1’

EPFR26.7 = ‘0’

A/D Activation Trigger

Activation Trigger Selection bit

(STS[1: 0])