Events - Texas Instruments MSPM0G350 Series Manual

MSPM0G3507-Q1, MSPM0G3506-Q1, MSPM0G3505-Q1
SLASF88 – OCTOBER 2023
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For more details, see the DMA chapter of the
Manual.

8.6 Events

The event manager transfers digital events from one entity (for example, a peripheral) to another (for example, a
second peripheral, the DMA, or the CPU). The event manager implements event transfer through a defined set
of event publishers (generators) and subscribers (receivers) which are interconnected through an event fabric
containing a combination of static and programmable routes.
Events that are transferred by the event manager include:
• Peripheral event transferred to the CPU as an interrupt request (IRQ) (Static Event)
– Example: RTC interrupt is sent to the CPU
• Peripheral event transferred to the DMA as a DMA trigger (DMA Event)
– Example: UART data receive trigger to DMA to request a DMA transfer
• Peripheral event transferred to another peripheral to directly trigger an action in hardware (Generic Event)
– Example: TIMx timer peripheral publishes a periodic event to the ADC subscriber port, and the ADC uses
the event to trigger start-of-sampling
Refer to the Event chapter of the
more information.
A generic route is either a point-to-point (1:1) route or a point-to-two (1:2) splitter route in which the peripheral publishing the
event is configured to use one of several available generic route channels to publish its event to another entity (or entities, in
the case of a splitter route), where an entity may be another peripheral, a generic DMA trigger event, or a generic CPU event.
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Table 8-2. DMA Trigger Mapping (continued)
Source
AES Publisher 3
DAC0 Publisher 2
I2C0 Publisher 1
I2C0 Publisher 2
I2C1 Publisher 1
I2C1 Publisher 2
SPI0 Publisher 1
SPI0 Publisher 2
MSPM0 G-Series 80-MHz Microcontrollers Technical Reference
MSPM0 G-Series 80-MHz Microcontrollers Technical Reference Manual
Table 8-3. Generic Event Channels
Generic Route Channel Selection
No generic event channel selected
Generic event channel 1 selected
Generic event channel 2 selected
Generic event channel 3 selected
Generic event channel 4 selected
Generic event channel 5 selected
Generic event channel 6 selected
Generic event channel 7 selected
Generic event channel 8 selected
Generic event channel 9 selected
Generic event channel 10 selected
Generic event channel 11 selected
Generic event channel 12 selected
Generic event channel 13 selected
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Source
UART0 Publisher 2
UART1 Publisher 1
UART1 Publisher 2
UART2 Publisher 1
UART2 Publisher 2
ADC0 Publisher 2
ADC1 Publisher 2
for
Channel Type
N/A
1 : 1
1 : 1
1 : 1
1 : 1
1 : 1
1 : 1
1 : 1
1 : 1
1 : 1
1 : 1
1 : 1
1 : 2 (splitter)
1 : 2 (splitter)