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UM-WI-006
DA16200 H/W Design Guide
2.8
RTC_GPO
RTC_GPO is an output and high voltage level is VBA'. This pin has three different functions:
● GPO: This output value can be set as '1' or '0' via register setting. It can keep the value even in
sleep mode
● Flash control: when in sleep mode, it becomes '0'; when in active mode, it is '1'
● Sensor wakeup: when the sensor wakeup function is used (see section 9.8.4 Sensor Wake-up'
of
), a programmable periodic signal is provided for an external device. Inside the RTC, there
[1]
are registers to set count values
2.9
GPIO Pin Multiplexing
The DA16200 provides various interfaces to support many kinds of applications. By referring to the
pin multiplexing in
Table
control can be realized through register setting. This device can use a maximum of 16 GPIO pins and
each of the GPIO pin multiplexes signals of various functions. Four pins from GPIOA0 to GPIOA3
multiplex analog signals, which also can be realized through register setting.
User Manual
CFR0012
12, each pin can be controlled according to the required application. Pin
Revision 1.5
25 of 44
NDA Confidential
11-Apr-2022
© 2022 Renesas Electronics
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