MAX1464 Datasheet, PDF (36/47 Pages) Maxim Integrated Products – Low-Power, Low-Noise Multichannel Sensor Signal Processor

Low-Power, Low-Noise Multichannel
Sensor Signal Processor
Table 22. DOP Module Registers
NAME
DOP1_Data
DOP1_Control
DOP1_Config
DOP2_Data
DOP2_Control
DOP2_Config
OpAmp_Config
ADDRESS
10h
11h
12h
13h
14h
15h
30h
DESCRIPTION
DAC1/PWM1 input data.
Initiate DAC1 and/or PWM1 conversions.
DAC1/PWM1 output and DAC 1 reference selection.
DAC2/PWM2 input data.
Initiate DAC2 and/or PWM2 conversions.
DAC2/PWM2 output and DAC 2 reference selection.
Settings for op amps in DOPn modules.
POR VALUE
0000
0000
0000
0000
0000
0000
0000
Table 23. DOP1_Control (Address = 11h)
BIT
15–5
4
3–1
0
NAME
—
ENPWM1
—
ENDAC1
Unused.
DESCRIPTION
Enable pulse-width modulator 1: 1 = PWM1 active, 0 = PWM1 inactive.
Unused.
Enable digital-to-analog converter 1: 1 = DAC1 active, 0 = DAC1 inactive.
Table 24. DOP1_Config (Address = 12h)
BIT
15–9
8
7–5
4
3–1
0
NAME
—
SELPWM1
—
SELDAC1
—
SELREF1
DESCRIPTION
Unused.
Select PWM1 output: 1 = OUT1LG, 0 = OUT1SM.
Unused.
Select DAC1 output: 1 = OUT1LG (large op-amp buffer), 0 = OUT1SM (small op-amp buffer).
Unused.
Select voltage reference for DAC1: 0 = V_DD, 1 = 2 x V_REF.
Table 25. DOP2_Control (Address = 14h)
BIT
15–5
4
3–1
0
NAME
—
ENPWM2
—
ENDAC2
DESCRIPTION
Unused.
Enable pulse-width modulator 2: 1 = PWM2 active, 0 = PWM2 inactive.
Unused.
Enable digital-to-analog converter 2: 1 = DAC2 active, 0 = DAC2 inactive.
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