13.22.7.5 `GET_CFG_2`

There is a GET_CFG_2 message that is sent by the Host dsPIC DSC to the MOSFET Gate Driver to retrieve the device Configuration Register #2. The GET_CFG_2 message format is indicated in Table 13-7 . The response is indicated in Table 13-8.

Figure 13-5. DE2 Packet Format

Figure 13-6. DE2 Packet Timing

Table 13-7. DE2 Communication Commands from Host to dsPIC33CDVL256MC506
Command	Byte	Bit	Value	Description
SET_CFG_0	1		10000001 (81h)	Set Configuration Register 0
	2	7	0	Reserved
		6	0	Reserved
SET_CFG_0		5	0	System enters Standby mode when OE = 0, SLEEP = 0 for more than 1 ms.
		5	1	System enters Sleep mode when OE = 0, SLEEP = 1 for more than 1 ms.
		4	0	Reserved
		3	0	Enable external MOSFET Undervoltage Lockout (default).
		3	1	Disable external MOSFET Undervoltage Lockout.
		2	0	Enable external MOSFET short-circuit detection (default).
		2	1	Disable external MOSFET short-circuit detection.
		1:0	00	Set external MOSFET overcurrent limit to 0.250V (default).
			01	Set external MOSFET overcurrent limit to 0.500V.
			10	Set external MOSFET overcurrent limit to 0.750V.
			11	Set external MOSFET overcurrent limit to 1.000V.
GET_CFG_0	1		10000010 (82h)	Get Configuration Register 0.
STATUS_0	1		10000101 (85h)	Get Status Register 0.
STATUS_1	1		10000110 (86h)	Get Status Register 1.

Table 13-8. DE2 Communication Messages from dsPIC33CDVL256MC506 to Host
Command	Byte	Bit	Value	Description
SET_CFG_2	1		10000111 (87h)	Set Configuration Register 2.
	2	7:5	00h	Reserved
		4:2	—	Driver dead time (for PWMH /PWML inputs)
			000	2000 ns (default)
			001	1750 ns
			010	1500 ns
			011	1250 ns
			100	1000 ns
			101	750 ns
			110	500 ns
			111	250 ns
		1:0	—	Driver blanking time (ignore switching current spikes)
			00	4 µs (default)
			01	2 µs
			10	1 µs
			11	500 ns
GET_CFG_2	1		10001000 (88h)	Get Configuration Register 2.
GET_REV_ID	1		10010000 (90h)	Get device hardware revision.
SET_CFG_0	1	7:0	00000001 (01h)	Command not Acknowledged (response).
	1	7:0	01000001 (41h)	Command Acknowledged (response).
	2	7	0	Reserved
		6	0	Reserved
		5	0	System enters Standby mode when OE = 0, SLEEP = 0 for more than 1 ms.
		5	1	System enters Sleep mode when OE = 0, SLEEP = 1 for more than 1 ms.
		4	0	Reserved
		3	0	External MOSFET Undervoltage Lockout enabled (default).
		3	1	External MOSFET Undervoltage Lockout disabled.
		2	0	External MOSFET short-circuit detection enabled (default).
		2	1	External MOSFET short-circuit detection disabled.
		1:0	00	0.250V external MOSFET overcurrent limit (default)
			01	0.500V external MOSFET overcurrent limit
			10	0.750V external MOSFET overcurrent limit
			11	1.000V external MOSFET overcurrent limit
GET_CFG_0	1	7:0	00000010 (02h)	Command not Acknowledged (response).
	1	7:0	01000010 (42h)	Command Acknowledged (response).
	2	7	0	Reserved
		6	0	Reserved
		5	0	System enters Standby mode when OE = 0, SLEEP = 0 for more than 1 ms.
		5	1	System enters Sleep mode when OE = 0, SLEEP = 1 for more than 1 ms.
		4	0	Reserved
		3	0	External MOSFET Undervoltage Lockout enabled.
		3	1	External MOSFET Undervoltage Lockout disabled.
		2	0	External MOSFET short-circuit detection enabled.
		2	1	External MOSFET short-circuit detection disabled
		1:0	00	0.250V external MOSFET overcurrent limit
			01	0.500V external MOSFET overcurrent limit
			10	0.750V external MOSFET overcurrent limit
			11	1.000V external MOSFET overcurrent limit


STATUS_0	1	7:0	00000101 (05h)	Command not Acknowledged (response).
			01000101 (45h)	Command Acknowledged (response).
			10000101 (85h)	Command sent to host (unsolicited).
	2	7:5	101	Overtemperature Shutdown (OTSHDN) occurred.
			100	Overvoltage Shutdown (OVSHDN) occurred.
			011	Sleep Shutdown (SLEEP) occurred.
			010	Undervoltage Shutdown (UVSHDN) occurred.
			001	Power-on Reset (POR) occurred.
			000	Normal operation
		4	1	Input Overvoltage (OVLOF), HVDD > 32V
		3	1	Input Undervoltage (UVLOF), HVDD < 5.5V
		2	1	Overtemperature (OTPF), TJ > +160°C
		1	1	Overtemperature Warning (OTPW), TJ > +115°C
		0	0	No Fault condition exists.
		0	1	A Fault condition exists.
STATUS_1	1	7:0	00000110 (06h)	Command not Acknowledged (response).
			01000110 (46h)	Command Acknowledged (response).
			10000110 (86h)	Command sent to host (unsolicited).
	2	7:4	0	Reserved
		3	1	External MOSFET Overcurrent (XOCPF) detected.
		2	1	External MOSFET Undervoltage Lockout (XUVLOF)
		1	0	Reserved
		0	1	VREG LDO Undervoltage Fault (VREGUVF)
SET_CFG_2	1	7:0	00000111 (07h)	Command not Acknowledged (response).
	1	7:0	01000111 (47h)	Command Acknowledged (response).
	2	7:5	00h	Reserved
		4:2	—	Driver dead time (for PWMH /PWML inputs)
			000	2000 ns (default)
			001	1750 ns
			010	1500 ns
			011	1250 ns
			100	1000 ns
			101	750 ns
			110	500 ns
			111	250 ns
		1:0	—	Driver blanking time (ignore Faults)
			00	4000 ns (default)
			01	2000 ns
			10	1000 ns
			11	500 ns
GET_CFG_2	1	7:0	00001000 (08h)	Command not Acknowledged (response).
	1	7:0	01001000 (48h)	Command Acknowledged (response).
	2	7:5	00h	Reserved
		4:2	—	Driver dead time (for PWMH /PWML inputs)
			000	2000 ns
			001	1750 ns
			010	1500 ns
			011	1250 ns
			100	1000 ns
			101	750 ns
			110	500 ns
			111	250 ns
		1:0	—	Driver blanking time (ignore Faults)
			00	4000 ns
			01	2000 ns
			10	1000 ns
			11	500 ns
GET_REV_ID	1	7:0	00010000 (10h)	Command not Acknowledged (response).
	1	7:0	01010000 (50h)	Command Acknowledged (response).
	2	7:3	00h	Reserved
	2	2:0	00h-07h	Device hardware revision

13.22.7.5 GET_CFG_2

13.22.7.5 `GET_CFG_2`