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SLVSJZ0 October 2025 MCF8316D-Q1

PRODUCTION DATA

封裝選項

機(jī)械數(shù)據(jù) (封裝 | 引腳)

RGF|40
- MPQF173F

散熱焊盤機(jī)械數(shù)據(jù) (封裝 | 引腳)

RGF|40
- QFND710

訂購信息

7.2 Fault_Configuration Registers

Table 7-17 lists the memory-mapped registers for the Fault_Configuration registers. All register offset addresses not listed in Table 7-17 should be considered as reserved locations and the register contents should not be modified.

Table 7-17 FAULT_CONFIGURATION Registers

Offset	Acronym	Register Name	Section
90h	FAULT_CONFIG1	Fault Configuration1	Section 7.2.1
92h	FAULT_CONFIG2	Fault Configuration2	Section 7.2.2

Complex bit access types are encoded to fit into small table cells. Table 7-18 shows the codes that are used for access types in this section.

Table 7-18 Fault_Configuration Access Type Codes

Access Type	Code	Description
Read Type
R	R	Read
Write Type
W	W	Write
Reset or Default Value
-n		Value after reset or the default value

7.2.1 FAULT_CONFIG1 Register (Offset = 90h) [Reset = 00000000h]

FAULT_CONFIG1 is shown in Figure 7-15 and described in Table 7-19.

Return to the Summary Table.

Figure 7-15 FAULT_CONFIG1 Register

31	30	29	28	27	26	25	24
PARITY	ILIMIT				HW_LOCK_ILIMIT
R-0h	R/W-0h				R/W-0h

23	22	21	20	19	18	17	16
HW_LOCK_ILIMIT	LOCK_ILIMIT				EEP_FAULT_MODE	LOCK_ILIMIT_MODE
R/W-0h	R/W-0h				R/W-0h	R/W-0h

15	14	13	12	11	10	9	8
LOCK_ILIMIT_MODE	LOCK_ILIMIT_DEG				LCK_RETRY
R/W-0h	R/W-0h				R/W-0h

7	6	5	4	3	2	1	0
LCK_RETRY	CRC_ERR_MODE	MTR_LCK_MODE			IPD_TIMEOUT_FAULT_EN	IPD_FREQ_FAULT_EN	SATURATION_FLAGS_EN
R/W-0h	R/W-0h	R/W-0h			R/W-0h	R/W-0h	R/W-0h

Table 7-19 FAULT_CONFIG1 Register Field Descriptions

Bit	Field	Type	Reset	Description
31	PARITY	R	0h	Parity bit
30-27	ILIMIT	R/W	0h	Current limit for Iq axis (torque) current reference in closed loop 0h = 0.125 A 1h = 0.25 A 2h = 0.5 A 3h = 1.0 A 4h = 1.5 A 5h = 2.0 A 6h = 2.5 A 7h = 3.0 A 8h = 3.5 A 9h = 4.0 A Ah = 4.5 A Bh = 5.0 A Ch = 5.5 A Dh = 6.0 A Eh = 7.0 A Fh = 8.0 A
26-23	HW_LOCK_ILIMIT	R/W	0h	Comparator based lock detection current threshold 0h = 0.125 A 1h = 0.25 A 2h = 0.5 A 3h = 1.0 A 4h = 1.5 A 5h = 2.0 A 6h = 2.5 A 7h = 3.0 A 8h = 3.5 A 9h = 4.0 A Ah = 4.5 A Bh = 5.0 A Ch = 5.5 A Dh = 6.0 A Eh = 7.0 A Fh = 8.0 A
22-19	LOCK_ILIMIT	R/W	0h	ADC based lock detection current threshold 0h = 0.125 A 1h = 0.25 A 2h = 0.5 A 3h = 1.0 A 4h = 1.5 A 5h = 2.0 A 6h = 2.5 A 7h = 3.0 A 8h = 3.5 A 9h = 4.0 A Ah = 4.5 A Bh = 5.0 A Ch = 5.5 A Dh = 6.0 A Eh = 7.0 A Fh = 8.0 A
18	EEP_FAULT_MODE	R/W	0h	Fault response type for EEPROM fault 0h = Latched Fault 1h = Report only fault
17-15	LOCK_ILIMIT_MODE	R/W	0h	Lock current limit mode 0h = Ilimit lock detection causes latched fault; nFAULT active; Gate driver is tristated 1h = Ilimit lock detection causes latched fault; nFAULT active; Gate driver is in low side brake mode (All low side FETs are turned ON) 2h = Ilimit lock detection causes latched fault; nFAULT active; Gate driver is in high side brake mode (All high side FETs are turned ON) 3h = Fault automatically cleared after LCK_RETRY time. Number of retries limited to AUTO_RETRY_TIMES. If number of retries exceed AUTO_RETRY_TIMES, fault is latched; Gate driver is tristated; nFAULT active 4h = Fault automatically cleared for AUTO_RETRY_TIMES after LCK_RETRY time; Gate driver is in low side brake mode (All low side FETs are turned ON); nFAULT active 5h = Fault automatically cleared after LCK_RETRY time. Number of retries limited to AUTO_RETRY_TIMES. If number of retries exceed AUTO_RETRY_TIMES, fault is latched; Gate driver is in high side brake mode (All high side FETs are turned ON); nFAULT active 6h = Ilimit lock detection current limit is in report only but no action is taken; nFAULT active 7h = ILIMIT LOCK is disabled
14-11	LOCK_ILIMIT_DEG	R/W	0h	Lock current limit detection deglitch time 0h = No deglitch 1h = 0.1 ms 2h = 0.2 ms 3h = 0.5 ms 4h = 1 ms 5h = 2.5 ms 6h = 5 ms 7h = 7.5 ms 8h = 10 ms 9h = 25 ms Ah = 50 ms Bh = 75 ms Ch = 100 ms Dh = 200 ms Eh = 500 ms Fh = 1000 ms
10-7	LCK_RETRY	R/W	0h	Lock detection retry time 0h = 300 ms 1h = 500 ms 2h = 1 s 3h = 2 s 4h = 3 s 5h = 4 s 6h = 5 s 7h = 6 s 8h = 7 s 9h = 8 s Ah = 9 s Bh = 10 s Ch = 11 s Dh = 12 s Eh = 13 s Fh = 14 s
6	CRC_ERR_MODE	R/W	0h	CRC (in I2C communication) error mode 0h = CRC error on I2C causes latched fault; nFAULT active; Gate driver is tristated 1h = CRC error on I2C causes report only but no action is taken; nFAULT is active
5-3	MTR_LCK_MODE	R/W	0h	Motor lock mode 0h = Motor lock detection causes latched fault; nFAULT active; Gate driver is tristated 1h = Motor lock detection causes latched fault; nFAULT active; Gate driver is in low side brake mode (All low side FETs are turned ON) 2h = Motor lock detection causes latched fault; nFAULT active; Gate driver is in high side brake mode (All high side FETs are turned ON) 3h = Fault automatically cleared after LCK_RETRY time. Number of retries limited to AUTO_RETRY_TIMES. If number of retries exceed AUTO_RETRY_TIMES, fault is latched; Gate driver is tristated; nFAULT active 4h = Fault automatically cleared for AUTO_RETRY_TIMES after LCK_RETRY time; Gate driver is in low side brake mode (All low side FETs are turned ON); nFAULT active 5h = Fault automatically cleared after LCK_RETRY time. Number of retries limited to AUTO_RETRY_TIMES. If number of retries exceed AUTO_RETRY_TIMES, fault is latched; Gate driver is in high side brake mode (All high side FETs are turned ON); nFAULT active 6h = Motor lock detection current limit is in report only but no action is taken; nFAULT active 7h = MTR LOCK is disabled
2	IPD_TIMEOUT_FAULT_EN	R/W	0h	IPD timeout fault enable 0h = Disable 1h = Enable
1	IPD_FREQ_FAULT_EN	R/W	0h	IPD frequency fault enable 0h = Disable 1h = Enable
0	SATURATION_FLAGS_EN	R/W	0h	Enable indication of current loop and speed loop saturation 0h = Disable 1h = Enable

7.2.2 FAULT_CONFIG2 Register (Offset = 92h) [Reset = 00000000h]

FAULT_CONFIG2 is shown in Figure 7-16 and described in Table 7-20.

Return to the Summary Table.

Figure 7-16 FAULT_CONFIG2 Register

31	30	29	28	27	26	25	24
PARITY	LOCK1_EN	LOCK2_EN	LOCK3_EN	LOCK_ABN_SPEED			ABNORMAL_BEMF_THR
R-0h	R/W-0h	R/W-0h	R/W-0h	R/W-0h			R/W-0h

23	22	21	20	19	18	17	16
ABNORMAL_BEMF_THR		NO_MTR_THR			HW_LOCK_ILIMIT_MODE
R/W-0h		R/W-0h			R/W-0h

15	14	13	12	11	10	9	8
HW_LOCK_ILIMIT_DEG			VOLTAGE_HYSTERESIS		MIN_VM_MOTOR
R/W-0h			R/W-0h		R/W-0h

7	6	5	4	3	2	1	0
MIN_VM_MODE	MAX_VM_MOTOR			MAX_VM_MODE	AUTO_RETRY_TIMES
R/W-0h	R/W-0h			R/W-0h	R/W-0h

Table 7-20 FAULT_CONFIG2 Register Field Descriptions

Bit	Field	Type	Reset	Description
31	PARITY	R	0h	Parity bit
30	LOCK1_EN	R/W	0h	Lock 1 (Abnormal Speed) Enable 0h = Disable 1h = Enable
29	LOCK2_EN	R/W	0h	Lock 2 (Abnormal BEMF) Enable 0h = Disable 1h = Enable
28	LOCK3_EN	R/W	0h	Lock 3 (No Motor) Enable 0h = Disable 1h = Enable
27-25	LOCK_ABN_SPEED	R/W	0h	Abnormal speed lock threshold (% of MAX_SPEED) 0h = 130% 1h = 140% 2h = 150% 3h = 160% 4h = 170% 5h = 180% 6h = 190% 7h = 200%
24-22	ABNORMAL_BEMF_THR	R/W	0h	Abnormal BEMF lock threshold (% of expected BEMF) 0h = 40% 1h = 45% 2h = 50% 3h = 55% 4h = 60% 5h = 65% 6h = 67.5% 7h = 70%
21-19	NO_MTR_THR	R/W	0h	No motor lock threshold 0h = 0.0375 A 1h = 0.075 A 2h = 0.1A 3h = 0.125 A 4h = 0.25 A 5h = 0.5 A 6h = 0.75 A 7h = 1.0 A
18-16	HW_LOCK_ILIMIT_MODE	R/W	0h	Hardware lock current limit mode 0h = Hardware Ilimit lock detection causes latched fault; nFAULT active; Gate driver is tristated 1h = Hardware Ilimit lock detection causes latched fault; nFAULT active; Gate driver is in low side brake mode (All low side FETs are turned ON) 2h = Hardware Ilimit lock detection causes latched fault; nFAULT active; Gate driver is in high side brake mode (All high side FETs are turned ON) 3h = Fault automatically cleared after LCK_RETRY time. Number of retries limited to AUTO_RETRY_TIMES. If number of retries exceed AUTO_RETRY_TIMES, fault is latched; Gate driver is tristated; nFAULT active 4h = Fault automatically cleared for AUTO_RETRY_TIMES after LCK_RETRY time; Gate driver is in low side brake mode (All low side FETs are turned ON); nFAULT active 5h = Fault automatically cleared after LCK_RETRY time. Number of retries limited to AUTO_RETRY_TIMES. If number of retries exceed AUTO_RETRY_TIMES, fault is latched; Gate driver is in high side brake mode (All high side FETs are turned ON); nFAULT active 6h = Hardware Ilimit lock detection current limit is in report only but no action is taken; nFAULT active 7h = HARDWARE ILIMIT LOCK is disabled
15-13	HW_LOCK_ILIMIT_DEG	R/W	0h	Hardware lock current limit detection deglitch time 0h = No deglitch 1h = 1 μs 2h = 2 μs 3h = 3 μs 4h = 4 μs 5h = 5 μs 6h = 6 μs 7h = 7 μs
12-11	VOLTAGE_HYSTERESIS	R/W	0h	Hysteresis for controller overvoltage and undervoltage faults. Fault triggered at threshold, cleared at threshold ± hysteresis (+ for UV, - for OV). 0h = 0.5V 1h = 1V 2h = 2V 3h = 3V
10-8	MIN_VM_MOTOR	R/W	0h	Controller under voltage fault threshold - minimum DC bus voltage for running motor 0h = No Limit 1h = 6 V 2h = 7 V 3h = 8 V 4h = 10 V 5h = 14 V 6h = 16 V 7h = 18 V
7	MIN_VM_MODE	R/W	0h	DC bus (controller) undervoltage fault recovery mode 0h = Latch on Undervoltage 1h = Automatic clear if voltage in bounds
6-4	MAX_VM_MOTOR	R/W	0h	Controller over voltage fault threshold - maximum DC bus voltage for running motor 0h = No Limit 1h = 18 V 2h = 20 V 3h = 22 V 4h = 28 V 5h = 30 V 6h = 32 V 7h = 34 V
3	MAX_VM_MODE	R/W	0h	DC bus (controller) overvoltage fault recovery mode 0h = Latch on Overvoltage 1h = Automatic clear if voltage in bounds
2-0	AUTO_RETRY_TIMES	R/W	0h	Number of automatic retry attempts 0h = No Limit 1h = 2 2h = 3 3h = 5 4h = 7 5h = 10 6h = 15 7h = 20