APM32F003F4P6-R datasheet(19/56 Pages) GEEHY

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on-chip VREF_BUFFER (a relatively stable standard voltage of 1.2V). ADC

supports differential input mode in addition to single-ended mode, but channel

AIN8 only supports single-ended input mode.

The analog watchdog function allows one channel, multiple channels or all

selected channels to be monitored very accurately. When the monitored signal

exceeds the preset threshold, an interrupt will be generated.

Events generated by the advanced control timer (TMR1) can cascade trigger

ADC respectively, and applications can synchronize AD conversion with clock.

Table 10 ADC product features

Product features

description

Input voltage value

0 to VDD

Conversion mode

Single, continuous and buffered continuous conversion mode

Buffer

Size (10x12 bits)

Conversion channel

9, which can be converted once or continuously

Differential input

Four pairs

Analog watchdog

Programmable upper and lower limits of analog watchdog

Analog watchdog

interrupt

Convenient handling of analog watchdog events

External trigger input

It can be triggered by a rising edge event on the ADC_ETR pin

Triggered from TMR1

TRGO

Yes

End of conversion

interrupt

Settable

Timer

The product includes two advanced control timers (TMR1 and TMR1A), one

general timer (TMR2), one basic timer (TMR4), two watchdog timers, one

system tick timer and one automatic wake-up timer.

4.11.1.

Advanced control timer (TMR1 and TMR1A)

Advanced timer functions are shown in the following table:

Table 11 Advanced control timer

Timer type

Advanced control timer

Timer

TMR1

TMR1A

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