MAX1463 Datasheet, PDF (36/49 Pages) Maxim Integrated Products – Low-Power Two-Channel Sensor Signal Processor

Low-Power Two-Channel Sensor
Signal Processor
Table 21. DOPn Configuration Options (continued)
DOP CONFIGURATION
DAC ON, PWM OFF, op amp ON.
DAC output on OUTnSM. LG op amp
configured as unity-gain buffer.
PWRDAC PWROP SELDAC SELPWM ENDAC ENPWM
1
1
0
X
1
0
BUF
1
DAC ON, PWM OFF, op amp ON.
DAC output on OUTnLG. AMPnP and
1
AMPnM routed to SM op amp.
1
1
X
1
0
0
DAC ON, PWM OFF, op amp ON.
DAC output on OUTnLG. SM op amp
1
configured as unity-gain buffer.
1
1
X
1
0
1
DAC ON, PWM ON, op amp OFF.
DAC output on OUTnSM. PWM output
1
on OUTnLG.
X
0
1
1
1
X
DAC ON, PWM ON, op amp OFF.
DAC output on OUTnLG. PWM output
1
on OUTnSM.
X
1
0
1
1
X
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
DESCRIPTION
Unused.
Enable pulse-width modulator 1: 1 = PWM1 active, 0 = PWM1 inactive.
Unused.
Enable digital-to-analog converter 1: 1 = DAC1 active, 0 = DAC1 inactive.
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