SPRUIU1C July 2020 – February 2024 DRA821U , DRA821U-Q1
A single WKUP_UART0 module is integrated in the device WKUP domain. Figure 12-404 shows the integration of WKUP_UART0.
Table 12-732 through Table 12-734 summarize the integration of WKUP_UART0 in the device WKUP domain.
Module Instance | Attributes | |||
Power Sleep Controller | Power Domain | Module Domain | Interconnect | |
WKUP_UART0 | WKUP_PSC0 | PD0 | LPSC3 | WKUP_CBASS0 |
Clocks | ||||
Module Instance | Module Clock Input | Source Clock Signal | Source | Description |
WKUP_UART0 | WKUP_UART0_CLK | MCU_SYSCLK0/6 | WKUP_PLLCTRL0 | WKUP_UART0 interface clock |
WKUP_UART0_FCLK | MCU_PLL1_HSDIV3_CLKOUT | MCU_PLL1 | WKUP_UART0 functional clock. Output of multiplexer, see Figure 12-404, WKUP_UART0 Integration. Multiplexers control is provided via CTRLMMR_WKUP_USART_CLKSEL[0] CLK _SEL and CTRLMMR_WKUP_PER_CLKSEL[0] MCUPLL_BYPASS bit fields. | |
MAIN_PLL1_HSDIV5_CLKOUT | PLL1 | |||
WKUP_HFOSC0_CLKOUT | WKUP_HFOSC0 | |||
Resets | ||||
Module Instance | Module Reset Input | Source Reset Signal | Source | Description |
WKUP_UART0 | WKUP_UART0_RST | MOD_G_RST | LPSC3 | WKUP_UART0 reset |
Interrupt Requests | |||||
Module Instance | Module Interrupt Signal | Destination Interrupt Input | Destination | Description | Type |
WKUP_UART0 | WKUP_UART0_USART_IRQ_0 | GIC500_SPI_IN_929 | COMPUTE_CLUSTER0 | WKUP_UART0 interrupt request. | Level |
WKUP_DMSC0_INTR_IN_6 | WKUP_DMSC0 | ||||
R5FSS0_CORE0_INTR_IN_487 | R5FSS0_CORE0 | ||||
R5FSS0_CORE1_INTR_IN_487 | R5FSS0_CORE1 | ||||
MCU_R5FSS0_CORE0_INTR_IN_97 | MCU_R5FSS0_CORE0 | ||||
MCU_R5FSS0_CORE1_INTR_IN_97 | MCU_R5FSS0_CORE1 | ||||
WKUP_UART0_CLKSTOP_WAKEUP_0 | WKUP_DMSC0_INTR_IN_7 | WKUP_DMSC0 | WKUP_UART0 wakeup interrupt. | Pulse |
UART interrupts are further described in Section 12.1.6.4.5, UART Interrupt Requests.