Users Manual

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The SLM756 module provides two MPP function signals from the power management chip. MPP4 is the ADC input
signal and MPP2 is the PWM signal. The ADC signal is 16-bit resolution, and its performance parameters are as
follows:
Table 4.12: ADC Performance Parameters
Description Minimum Typical Maximum
Unit
Input Voltage Range
Measurement range can
be selected by software
programming
0.1
-
1.7
V
0.3 - 4.5
ADC Resolution
-
16
-
Bits
Analog Input Bandwidth
-
100
-
kHz
Sampling Frequency
-
2.4M
-
MHz
INL
- - ±8 LSB
DNL
- - ±4 LSB
Error
Offset error
- - ±1
%
Gain error
- - ±1
%
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The PWM pin can be used as a backlight adjustment for the LCD to adjust the backlight brightness by
adjusting the duty cycle.
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The SLM756 supports motor functions that can be implemented by the user with GPIO control power. The reference
schematic is as follows:
Figure 4.32: Motor interface circuit
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