SLLSFQ7 November 2023 MCF8329A
PRODUCTION DATA
Table 7-46 lists the memory-mapped registers for the Fault_Status registers. All register offset addresses not listed in Table 7-46 should be considered as reserved locations and the register contents should not be modified.
Offset | Acronym | Register Name | Section |
---|---|---|---|
E0h | GATE_DRIVER_FAULT_STATUS | Fault Status Register | Section 7.8.1.1 |
E2h | CONTROLLER_FAULT_STATUS | Fault Status Register | Section 7.8.1.2 |
Complex bit access types are encoded to fit into small table cells. Table 7-47 shows the codes that are used for access types in this section.
Access Type | Code | Description |
---|---|---|
Read Type | ||
R | R | Read |
Reset or Default Value | ||
-n | Value after reset or the default value |
GATE_DRIVER_FAULT_STATUS is shown in Table 7-48.
Return to the Summary Table.
Status of various gate driver faults
Bit | Field | Type | Reset | Description |
---|---|---|---|---|
31 | DRIVER_FAULT | R | 0h | Logic OR of driver fault registers
0h = No Gate Driver fault condition is detected 1h = Gate Driver fault condition is detected |
30 | RESERVED | R | 0h | Reserved |
29 | OTS_FAULT | R | 0h | Over Temperature Fault
0h = No overtemperature warning / shutdown is detected 1h = Overtemperature warning / shutdown is detected |
28 | OCP_VDS_FAULT | R | 0h | Overcurrent VDS Fault status
0h = No overcurrent condition is detected 1h = Overcurrent condition is detected |
27 | OCP_SNS_FAULT | R | 0h | Overcurrent Sense Fault status
0h = No overcurrent condition is detected 1h = Overcurrent condition is detected |
26 | BST_UV_FAULT | R | 0h | Boot Strap UV protection status
0h = No BST undervoltage condition is detected on VM 1h = BST undervoltage condition is detected on VM |
25 | GVDD_UV_FLT | R | 0h | GVDD UV fault status
0h = No GVDD undervoltage condition is detected on VM 1h = GVDD undervoltage condition is detected on VM |
24 | DRV_OFF | R | 0h | DRV OFF STATUS
0h = DRV is ON 1h = DRVOff state detected |
23-0 | RESERVED | R | 0h | Reserved |
CONTROLLER_FAULT_STATUS is shown in Table 7-49.
Return to the Summary Table.
Status of various controller faults
Bit | Field | Type | Reset | Description |
---|---|---|---|---|
31 | CONTROLLER_FAULT | R | 0h | Logic OR of Controller FAULT status registers |
30 | RESERVED | R | 0h | Reserved |
29 | IPD_FREQ_FAULT | R | 0h | Indicates IPD frequency fault |
28 | IPD_T1_FAULT | R | 0h | Indicates IPD T1 fault |
27 | RESERVED | R | 0h | Reserved |
26 | BUS_CURRENT_LIMIT_STATUS | R | 0h | Indicates status of Bus Current limit |
25 | RESERVED | R | 0h | Reserved |
24 | MPET_BEMF_FAULT | R | 0h | Indicates error during BEMF constant measurement |
23 | ABN_SPEED | R | 0h | Indicates Abnormal speed motor lock condition |
22 | ABN_BEMF | R | 0h | Indicates Abnormal BEMF motor lock condition |
21 | NO_MTR | R | 0h | Indicates No Motor fault |
20 | MTR_LCK | R | 0h | Indicates when one of the motor lock is triggered |
19 | LOCK_LIMIT | R | 0h | Indicates Lock Ilimit fault |
18 | HW_LOCK_LIMIT | R | 0h | Indicates Hardware Lock Ilimit fault |
17 | DCBUS_UNDER_VOLTAGE | R | 0h | Indicates DC bus undervoltage fault |
16 | DCBUS_OVER_VOLTAGE | R | 0h | Indicates DC bus overvoltage fault |
15 | SPEED_LOOP_SATURATION | R | 0h | Indicates speed loop saturation |
14 | CURRENT_LOOP_SATURATION | R | 0h | Indicates current loop saturation |
13-4 | RESERVED | R | 0h | Reserved |
3 | WATCHDOG_FAULT | R | 0h | indicates Watchdog fault |
2 | RESERVED | R | 0h | Reserved |
1 | RESERVED | R | 0h | Reserved |
0 | RESERVED | R | 0h | Reserved |