PRCM

PRCM

Instance: PRCM
Component: PRCM
Base address: 0x40000000

Power, Reset and Clock Management

TOP:PRCM Register Summary

Register Name	Type	Register Width (Bits)	IR
CLK_OVR	WO	3	0
RESET_OVR	WO	3	1
POWER_OVR	WO	3	2
OBS_CLK	RO	24	3
OBS_RESET	RO	24	4
OBS_POWER	RO	8	5

TOP:PRCM Register Descriptions

TOP:PRCM:CLK_OVR

IR	0
Description	Force clocks to run
Type	WO

Bits	Field Name	Description			Type	Reset
2	CLK_SYSBUS	0: No action 1: Force sysbus clock to run			WO	0
1	CLK_CPUFREE	0: No action 1: Force cpufree clock to run			WO	0
0	CLK_CPUCORE	0: No action 1: Force cpucore clock to run			WO	0

TOP:PRCM:RESET_OVR

IR	1
Description	Force resets
Type	WO

Bits	Field Name	Description			Type	Reset
2	RESET_SYSBUS_N	0: Hold module in reset. No pulse generation. Must clear bit to 0 to release reset. 1: No action (Default value)			WO	1
1	SPARE	Not connected in PRCM			WO	1
0	RESET_CPUCORE_N	0: Hold module in reset. No pulse generation. Must clear bit to 0 to release reset. 1: No action (Default value)			WO	1

TOP:PRCM:POWER_OVR

IR	2
Description	Force power domains on
Type	WO

Bits	Field Name	Description			Type	Reset
2	POWER_ON_ALL	0: No action 1: Force all MCU power domains on			WO	0
1	CPU	0: No action 1: Force cpu power domain on			WO	0
0	BUS	0: No action 1: Force bus power domain on			WO	0

TOP:PRCM:OBS_CLK

IR	3
Description
Type	RO

Bits	Field Name	Description			Type	Reset
23	OBS_CLK_I2S	0: Clk not running 1: Clk running			RO	0
22	OBS_CLK_SSI_1	0: Clk not running 1: Clk running			RO	0
21	OBS_CLK_SSI_0	0: Clk not running 1: Clk running			RO	0
20	OBS_CLK_UART_1	0: Clk not running 1: Clk running			RO	0
19	OBS_CLK_UART_0	0: Clk not running 1: Clk running			RO	0
18	OBS_CLK_I2C_1	0: Clk not running 1: Clk running			RO	0
17	OBS_CLK_I2C_0	0: Clk not running 1: Clk running			RO	0
16	OBS_CLK_SSI_DMA_1	0: Clk not running 1: Clk running			RO	0
15	OBS_CLK_UART_DMA	0: Clk not running 1: Clk running			RO	0
14	OBS_CLK_GPTM_3	0: Clk not running 1: Clk running			RO	0
13	OBS_CLK_GPTM_2	0: Clk not running 1: Clk running			RO	0
12	OBS_CLK_GPTM_1	0: Clk not running 1: Clk running			RO	0
11	OBS_CLK_GPTM_0	0: Clk not running 1: Clk running			RO	0
10	OBS_CLK_GPIO	0: Clk not running 1: Clk running			RO	0
9	OBS_CLK_DMA	0: Clk not running 1: Clk running			RO	0
8	OBS_CLK_TRNG	0: Clk not running 1: Clk running			RO	0
7	OBS_CLK_SEC	0: Clk not running 1: Clk running			RO	0
6	OBS_CLK_PERBUSCPU	0: Clk not running 1: Clk running			RO	0
5	OBS_CLK_CPUCORE	0: Clk not running 1: Clk running			RO	0
4	OBS_CLK_CPUFREE	0: Clk not running 1: Clk running			RO	0
3	OBS_CLK_SYSBUS	0: Clk not running 1: Clk running			RO	0
2	OBS_CLK_FLASH	0: Clk not running 1: Clk running			RO	0
1	OBS_CLK_RFCORE	0: Clk not running 1: Clk running			RO	0
0	OBS_CLK_PERBUSULL	0: Clk not running 1: Clk running			RO	0

TOP:PRCM:OBS_RESET

IR	4
Description
Type	RO

Bits	Field Name	Description			Type	Reset
23	OBS_RESET_I2S_N	0: Reset active 1: Reset released			RO	0
22	OBS_RESET_SSI_N_1	0: Reset active 1: Reset released			RO	0
21	OBS_RESET_SSI_N_0	0: Reset active 1: Reset released			RO	0
20	OBS_RESET_UART_N_1	0: Reset active 1: Reset released			RO	0
19	OBS_RESET_UART_N_0	0: Reset active 1: Reset released			RO	0
18	OBS_RESET_I2C_N_1	0: Reset active 1: Reset released			RO	0
17	OBS_RESET_I2C_N_0	0: Reset active 1: Reset released			RO	0
16	OBS_RESET_PERDMA_N	0: Reset active 1: Reset released			RO	0
15	OBS_RESET_PERBUSDMA_N	0: Reset active 1: Reset released			RO	0
14	OBS_RESET_GPTM_N_3	0: Reset active 1: Reset released			RO	0
13	OBS_RESET_GPTM_N_2	0: Reset active 1: Reset released			RO	0
12	OBS_RESET_GPTM_N_1	0: Reset active 1: Reset released			RO	0
11	OBS_RESET_GPTM_N_0	0: Reset active 1: Reset released			RO	0
10	OBS_RESET_GPIO_N	0: Reset active 1: Reset released			RO	0
9	OBS_RESET_DMA_N	0: Reset active 1: Reset released			RO	0
8	OBS_RESET_TRNG_N	0: Reset active 1: Reset released			RO	0
7	OBS_RESET_SEC_N	0: Reset active 1: Reset released			RO	0
6	OBS_RESET_PERBUSCPU_N	0: Reset active 1: Reset released			RO	0
5	OBS_RESET_CPUCORE_N	0: Reset active 1: Reset released			RO	0
4	OBS_RESET_CPUFREE_N	0: Reset active 1: Reset released			RO	0
3	OBS_RESET_SYSBUS_N	0: Reset active 1: Reset released			RO	0
2	OBS_RESET_FLASH_N	0: Reset active 1: Reset released			RO	0
1	OBS_RESET_RFCORE_N	0: Reset active 1: Reset released			RO	0
0	OBS_RESET_PERBUSULL_N	0: Reset active 1: Reset released			RO	0

TOP:PRCM:OBS_POWER

IR	5
Description
Type	RO

Bits	Field Name	Description			Type	Reset
7	OBS_RFCORE	0: Power domain off or in transition 1: Power domain powered on and stable			RO	0
6	OBS_SERIAL	0: Power domain off or in transition 1: Power domain powered on and stable			RO	0
5	OBS_PERIPH	0: Power domain off or in transition 1: Power domain powered on and stable			RO	0
4	SPARE	Identical to OBS_PERIPH			RO	0
3	OBS_CPU	0: Power domain off or in transition 1: Power domain powered on and stable			RO	0
2	OBS_VIMS	0: Power domain off or in transition 1: Power domain powered on and stable			RO	0
1	OBS_BUS	0: Power domain off or in transition 1: Power domain powered on and stable			RO	0
0	OBS_CLKCTRL	0: Power domain off or in transition 1: Power domain powered on and stable			RO	0