Datasheet

DA16200MOD
Ultra Low Power Wi-Fi Module
Datasheet
Revision 3.1
03-Feb-2021
CFR0011-120-00
41 of 60
© 2021 Dialog Semiconductor
8.8.4 Sensor Wake-up
DA16200MOD provides an external sensor wake-up function using the analog input signal through
this Aux ADC. Even in Sleep modes, it detects the change of external analog signal, wakes up from a
Sleep mode, and converts DA16200MOD into a normal operation. This function can be used in up to
four channels. Also, when multiple external sensors are used, it detects analog signals while
changing the channel automatically. For example, if it sets all four channels as input sources which
have their threshold register respectively, in measures the channels sequentially from 0 to 3.
If one of the four values exceed the allowed range of values set by the threshold register,
DA16200MOD is awaken from Sleep modes. The setting value of input change can be of two types,
over threshold and under threshold.
8.8.5 ADC Ports
Table 40 shows the pin definition of the ADC.
Table 40: ADC Pin Configuration
Pin Name
Pin Number
I/O
Function Name
GPIOA3
30
A
Analog signal
GPIOA2
31
A
Analog signal
GPIOA1
32
A
Analog signal
GPIOA0
33
A
Analog signal
8.9 GPIO
All digital pads can be used as GPIO, and each GPIO port is mixed with a multi-functional interface.
The GPIO features of DA16200MOD are listed below:
● Input or output lines in a programmable direction
● Word and half word read/write access
● Address-masked byte writes to facilitate quick bit set and clear operations
● Address-based byte reads to facilitate quick bit test operations
● Maskable interrupt generation based on input value change
● Possible to be output signal of PWM[3:0], external interrupt, QSPI_CSB[3:1], RF_SW[1:0], and
UART_TXDOE[2:0] on the GPIO pins:
○ It provides special functions for GPIO pin use. PWM [3:0], external interrupt, QSPI_CSB [3:1],
RF_SW [1:0], and UART_TXDOE [2:0] signals can be output by selecting unused pins
among the GPIO pins. It is possible to select the function to be output from the GPIO register
setting and select the remaining GPIO pin without using it to output the specific function to
the desired GPIO pins
8.9.1 Antenna Switching Diversity
DA16200MOD-AAE4WA32 (u.FL connector type module) provides the antenna switching diversity
function for performance improvement in multi-path environment. Phy block measures the RSSI of
each antenna and selects the antenna with the largest RSSI. The selected antenna is also used for
transmission. To use this function, an external switching element is required, and switching control is
performed through the GPIO. Two GPIOs can be used for switching control, and any unused pins
among the GPIO pins can be selected for this purpose. The control signal can be changed by
register setting to suit the external switching device.