SPRUJC6A December 2024 – July 2025 AM2752-Q1 , AM2754-Q1
Reads returns the current value detected by the IO voltage mode circuit for each dual rail I/O Group.
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| Instance Name | Physical Address |
|---|---|
| MCU_CTRL_MMR0 | 0450 40B0h |
| 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 |
| RESERVED | |||||||
| NONE | |||||||
| 0h | |||||||
| 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 |
| RESERVED | IO_VOLTAGE_STAT_ENET | ||||||
| NONE | R | ||||||
| 0h | 0h | ||||||
| 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 |
| RESERVED | IO_VOLTAGE_STAT_AUDIO | RESERVED | IO_VOLTAGE_STAT_MMC0 | IO_VOLTAGE_STAT_GENERAL | |||
| NONE | R | NONE | R | R | |||
| 0h | 0h | 0h | 0h | 0h | |||
| 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
| RESERVED | IO_VOLTAGE_STAT_CANUART | IO_VOLTAGE_STAT_FLASH | IO_VOLTAGE_STAT_WKUP_MCU | ||||
| NONE | R | R | R | ||||
| 0h | 0h | 0h | 0h | ||||
| Bit | Field | Type | Reset | Description |
|---|---|---|---|---|
| 31:17 | RESERVED | NONE | 0h | Reserved |
| 16 | IO_VOLTAGE_STAT_ENET | R | 0h | Detected voltage for the ENET I/O group (VDDSHV2) Field values (others are reserved): 1'b0 - IOGROUP_3P3V 1'b1 - IOGROUP_1P8V Reset Source: mod_por_rst_n |
| 15:13 | RESERVED | NONE | 0h | Reserved |
| 12 | IO_VOLTAGE_STAT_AUDIO | R | 0h | Detected voltage for the AUDIO I/O group (VDDSHV3) Field values (others are reserved): 1'b0 - IOGROUP_3P3V 1'b1 - IOGROUP_1P8V Reset Source: mod_por_rst_n |
| 11:10 | RESERVED | NONE | 0h | Reserved |
| 9 | IO_VOLTAGE_STAT_MMC0 | R | 0h | Detected voltage for the MMC0 I/O group (VDDSHV4) Field values (others are reserved): 1'b0 - IOGROUP_3P3V 1'b1 - IOGROUP_1P8V Reset Source: mod_por_rst_n |
| 8 | IO_VOLTAGE_STAT_GENERAL | R | 0h | Detected voltage for the General I/O group (VDDSHV0) Field values (others are reserved): 1'b0 - IOGROUP_3P3V 1'b1 - IOGROUP_1P8V Reset Source: mod_por_rst_n |
| 7:3 | RESERVED | NONE | 0h | Reserved |
| 2 | IO_VOLTAGE_STAT_CANUART | R | 0h | Detected voltage for the CANUART I/O group (VDDSHV_WKUP) Field values (others are reserved): 1'b0 - IOGROUP_3P3V 1'b1 - IOGROUP_1P8V Reset Source: mod_por_rst_n |
| 1 | IO_VOLTAGE_STAT_FLASH | R | 0h | Detected voltage for the Flash I/O group (VDDSHV1) Field values (others are reserved): 1'b0 - IOGROUP_3P3V 1'b1 - IOGROUP_1P8V Reset Source: mod_por_rst_n |
| 0 | IO_VOLTAGE_STAT_WKUP_MCU | R | 0h | Detected voltage for the WKUP_MCU I/O group (VDDSHV_MCU) Field values (others are reserved): 1'b0 - IOGROUP_3P3V 1'b1 - IOGROUP_1P8V Reset Source: mod_por_rst_n |