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Table 22. dop module registers – Rainbow Electronics MAX1464 User Manual

Page 36

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MAX1464

Low-Power, Low-Noise Multichannel
Sensor Signal Processor

36

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BIT

NAME

DESCRIPTION

15–9

Unused.

8

SELPWM1

Select PWM1 output: 1 = OUT1LG, 0 = OUT1SM.

7–5

Unused.

4

SELDAC1

Select DAC1 output: 1 = OUT1LG (large op-amp buffer), 0 = OUT1SM (small op-amp buffer).

3–1

Unused.

0

SELREF1

Select voltage reference for DAC1: 0 = V

DD

, 1 = 2 x V

REF

.

Table 24. DOP1_Config (Address = 12h)

BIT

NAME

DESCRIPTION

15–5

Unused.

4

ENPWM2

Enable pulse-width modulator 2: 1 = PWM2 active, 0 = PWM2 inactive.

3–1

Unused.

0

ENDAC2

Enable digital-to-analog converter 2: 1 = DAC2 active, 0 = DAC2 inactive.

Table 25. DOP2_Control (Address = 14h)

NAME

ADDRESS

DESCRIPTION

POR VALUE

DOP1_Data

10h

DAC1/PWM1 input data.

0000

DOP1_Control

11h

Initiate DAC1 and/or PWM1 conversions.

0000

DOP1_Config

12h

DAC1/PWM1 output and DAC 1 reference selection.

0000

DOP2_Data

13h

DAC2/PWM2 input data.

0000

DOP2_Control

14h

Initiate DAC2 and/or PWM2 conversions.

0000

DOP2_Config

15h

DAC2/PWM2 output and DAC 2 reference selection.

0000

OpAmp_Config

30h

Settings for op amps in DOPn modules.

0000

Table 22. DOP Module Registers

BIT

NAME

DESCRIPTION

15–5

Unused.

4

ENPWM1

Enable pulse-width modulator 1: 1 = PWM1 active, 0 = PWM1 inactive.

3–1

Unused.

0

ENDAC1

Enable digital-to-analog converter 1: 1 = DAC1 active, 0 = DAC1 inactive.

Table 23. DOP1_Control (Address = 11h)