Figure 66. Triggering Gptm1 With Gptm0 Update Event - Holtek HT32F52342 User Manual

32-Bit Arm ® Cortex ® -M0+ MCU
HT32F52342/HT32F52352
Using one timer to trigger another timer start counting
▄
Configure GPTM0 to operate in the master mode to send its Update Event UEV as the trigger
output (MMSEL = 0x02).
▄
Configure the GPTM0 period by setting the CRR register.
▄
Configure GPTM1 to get the input trigger source from the GPTM0 trigger output (TRSEL=0x09)
▄
Configure GPTM1 to be in the slave trigger mode (SMSEL = 0x06).
▄
Start GPTM0 by writing "1" to the TME bit.
f
CLKIN
GPTM0
UEVIF
GPTM0
CNTR
GPTM1
CNTR
GPTM1
TME bit
GPTM1
TEVIF

Figure 66. Triggering GPTM1 with GPTM0 Update Event

Rev. 1.30
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Software cleaning
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September 28, 2018