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Caution – FUJITSU MB91460 SERIES FR60 User Manual

Page 932

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Chapter 45 D/A Converter

8.Caution

8. Caution

• The table below lists the output voltages of the D/A converter (in 10-bit resolution mode).

• The table below lists the output voltages of the D/A converte (in 8-bit resolution mode)r.

• The conversion speed depends on the line load capacitance.

Indicates the conversion speed of the D/A converter.

• Power supply

• The power supply of the analog circuit in the D /A converter is AV

CC

.

• Use of a power supply within the limits of “Recommended Power Supply Operation Conditions” in the

chapter entitled “

2. Instruction for Users (Page No.3)

” is recommended.

DADR Settings

D/A Converter Output Voltage Value

000

H

0V (AVss=0.0V)

001

H

1/1024 x AVCC V

002

H

2/1024 x AVCC V

~

~

3FD

H

1021/1024 x AVCC V

3FE

H

1022/1024 x AVCC V

3FF

H

1023/1024 x AVCC V

When stopped

0V (Avss=0.0V)

DADR Settings

D/A Converter Output Voltage Value

00

H

0V (AVss=0.0V)

01

H

1/256 x AVCC V

02

H

2/256 x AVCC V

~

~

FD

H

253/256 x AVCC V

FE

H

254/256 x AVCC V

FF

H

255/256 x AVCC V

When stopped

0V (Avss=0.0V)

Load

Capacitance

Conversion

Speed (TYP)

20pF

0.45

µs

100pF

2.0

µs