Smart Module Series
SA800U-WF Hardware Design
SA800U-WF_Hardware_Design 62 / 106
3.16. ADC Interfaces
SA800U-WF provides two analog-to-digital converter (ADC) interfaces, and the pin definition is shown
below.
Table 19: Pin Definition of ADC Interfaces
The accuracy for ADC_PMU_GPIO8 is 6 mV typically, while that for ADC_PMU_GPIO21 is 10 mV
typically.
3.17. Vibrator Drive Interface
SA800U-WF supports eccentric rotating mass (ERM) motor and linear resonant actuator (LRA). The pin
definition of vibrator drive interface is listed below.
Table 20: Pin Definition of Vibrator Drive Interface
Pin Name
Pin No.
I/O
Description
Comment
ADC_PMU_GPIO8
J2-153
AI
General-purpose ADC
interface
Maximum input voltage: 1.8 V.
ADC_PMU_GPIO21 J2-151
AI
General-purpose ADC
interface
Maximum input voltage: 4.5 V.
Pin Name
Pin No.
I/O
Description
HAP_PWM_IN
J3-18
DI
Haptic PWM input
HAP_P
J3-20
AO
Haptic driver output (+)
HAP_M
J3-19
AO
Haptic driver output (-)
