SPRUIV7C May 2022 – November 2025 AM620-Q1 , AM623 , AM625 , AM625-Q1 , AM625SIP
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| Instance Name | Physical Address |
|---|---|
| MCU_CTRL_MMR0 | 0451 A180h |
| 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 |
| RESERVED | |||||||
| NONE | |||||||
| 0h | |||||||
| 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 |
| RESERVED | |||||||
| NONE | |||||||
| 0h | |||||||
| 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 |
| RESERVED | |||||||
| NONE | |||||||
| 0h | |||||||
| 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
| RESERVED | ISO_CTRL_MCU_DBG_ISO_EN_PROXY | ISO_CTRL_MCU_RST_ISO_EN_PROXY | |||||
| NONE | R/W | R/W | |||||
| 0h | 0h | 0h | |||||
| Bit | Field | Type | Reset | Description |
|---|---|---|---|---|
| 31:2 | RESERVED | NONE | 0h | Reserved |
| 1 | ISO_CTRL_MCU_DBG_ISO_EN_PROXY | R/W | 0h | Isolates the MCU domain from Debug Field values (others are reserved): 1'b0 - M4FSS is not debug isolated 1'b1 - M4FSS is isolated from debug if RST_MAGIC_WORD is also nonzero Reset Source: mcu_chip1_rst_n |
| 0 | ISO_CTRL_MCU_RST_ISO_EN_PROXY | R/W | 0h | Isolates the MCU domain from Warm Reset initiated by Main Field values (others are reserved): 1'b0 - M4FSS is not reset isolated 1'b1 - M4FSS is isolated from main warm reset if RST_MAGIC_WORD is also nonzero Reset Source: mcu_chip1_rst_n |