SNVSBT6 Data sheet

SNVSBT6C July 2021 – December 2022 TPS38700-Q1

PRODUCTION DATA

Package Options

Mechanical Data (Package|Pins)

RGE|24
- MPQF124G

Thermal pad, mechanical data (Package|Pins)

RGE|24
- QFND723

Orderable Information

8.3.7 I²C

Refer to Table 8-1 for the I²C register map overview. Note that "PSEQ" refers to TPS38700-Q1 and is used enhance table readability.

Table 8-1 I²C Register Categories and Associated Details

TYPE	BITS	DESCRIPTION	RANGE / FUNCTION OR STATUS	WHO TOGGLES THEM?	WHO ELSE CAN WRITE TO THEM?	WHAT GETS AFFECTED DUE TO THIS BIT?
OTP bits R	VENDORID[7:0]	TI defined	TI defined	OTP option	None	None
	MODEL_REV[7:0]	TI defined	TI defined	OTP option	None	None
	TARGET_ID[7:0]	TI defined	TI defined	OTP option	None	I²C
Interrupt info bits RW1C	F_INTERR	Internal fault	No internal fault / Internal fault detected	Interrupt	Any of the interrupts generated; Can be cleared by writing 1	NIRQ
	EM_PD ⁽¹⁾	Emergency Power down	No emergency PD / shutdown caused by emergency PD	PSEQ	PSEQ; SOC	NRST; NIRQ
	WDT	Watchdog violation	Did not occur / occurred	Watchdog	WD; SOC	NIRQ; NRST (depends on if set in configuration register)
	F_PEC	Packet Error checking (PEC)	PEC miscompare did not occur / occurred	I²C	I²C; SOC	NIRQ
	RTC	RTC alarm	has not triggered / triggered	RTC	RTC; SOC	NIRQ
	F_EN	Enable output pin fault	No faults detected / fault detected	EN readback-PSEQ	PSEQ; SOC	NIRQ; NRST
	F_OSC	Crystal oscillator fault	No faults detected / fault detected	Frequency detector	Frequency detector; SOC	NIRQ
	F_NRSTIRQ	Reset or Interrupt pin fault	No faults detected / fault detected	Reset readback-PSEQ	PSEQ; SOC	NIRQ
	F_BIST	Built-In self test fault	No faults detected / fault detected	BIST	BIST; SOC	NIRQ; NRST
	F_LDO	LDO fault	No faults detected / fault detected	BIST	BIST; SOC	NIRQ; NRST
	F_TSD	Thermal shutdown fault	No faults detected / fault detected	TSD	TSD; SOC	NIRQ; NRST
	F_RT_CRC	Runtime CRC register fault	No faults detected / fault detected	CRC	SOC	NIRQ
	F_ECC_DED	ECC double error deduction on OTP load	No ECC DED / ECC DED on OTP load	NVM_ECC; REG_CRC	NVM_ECC; REG_CRC; SOC	NIRQ; NRST
	F_PBSB ⁽¹⁾	NPWR_BTN short press	No short pulse / short pulse	PSEQ	PSEQ; SOC	NRST; NIRQ
Status bits R	ST_NIRQ	Current state of NIRQ output	NIRQ asserted / not asserted	Interrupt	None	None
	ST_NRST	Current state of NRST output	NRST asserted / not asserted	Interrupt; NRSTstate change	None	None
	ST_ACTSLP	Current state of SLEEP input	SLEEP pin driven Low or High	PSEQ	None	None
	ST_ACTSHDN	Current state of ACT input	ACT pin driven Low or High	PSEQ	None	None
	ST_PSEQ[1:0]	Current state of PSEQ	SHDNx, Power Up, Power Down, Sleep, Sleep entry, Sleep exit, invalid, Active	PSEQ	None	None
	STDR1	Current drive state of EN12 to EN9	Sequencer is driving EN Low or High	PSEQ	None	None
	STDR2	Current drive state of EN8 to EN1	Sequencer is driving EN Low or High	PSEQ	None	None
	OPEN	Watchdog Open Window	Watchdog update Window closed / open	WD	None	None
	WDUV	Watchdog Update Violation	No violation / WD updated too early	WD	None	None
	WDEXP	Watchdog close timer expired	WDT not expired / expired	WD	None	None
	BIST_C	BIST state	BIST not complete or executed / BIST complete	BIST	None	None
	ECC_SEC	Status of ECC single error correction	No error correction applied / SEC applied	NVM_ECC	None	None
	BIST_VM	Status of volatile memory test output from BIST	Volatile memory test pass / fail	REG_CRC	None	None
	BIST_NVM	Status of non-volatile memory test output from BIST	Non-Volatile memory test pass / fail	OTP covered	None	None
	BIST_L	Status of Logic test ouput from BIST	Logic test pass / fail	BIST	None	NIRQ/ NRST
	BIST_A	Status of Analog test ouput from BIST	Analog test pass / fail	BIST	None	NIRQ/ NRST
OTP bits R	EN_AF[12:9]	Enable AF for EN12, EN11, EN10, EN9	Disabled/ Enabled	OTP option	None	PSEQ
	AFIO[12:9]	Select AF for EN12, EN11, EN10, EN9	GPO or NPWR_BTN /NRST_IN/ NEM_PD	OTP option	None	PSEQ
	PP_EN[12:1]	ENx pin driver configuration	Open drain/ Push-Pull	OTP option	None	IO
	XTAL_LOAD	Crystal oscillator load capacitance	External/ Internal	OTP option	None	XTAL
	XTAL_EN	Crystal oscillator Enable	Crystal driver disabled/ enabled	OTP option	None	XTAL
	PP_CLK32K	CLK32K pin driver configuration	Open drain/ Push-Pull	OTP option	None	XTAL
CONTROL R/W	GPIO[12:9]	General purpose input / outputs	Open drain / Push-Pull	SOC	None	PSEQ
	Debounce[3:0]	Debounce value for AF input pins	5 ms to 80 ms	SOC	None	PSEQ
	EN_DEB[12:9]	Enable debounce for AF input pins	Debouce disabled / enabled	SOC	None	PSEQ
	LP_TIME_TSHLD[7:0]	NPWR_BTN long press time threshold	100 ms to 25.6 s	SOC	None	PSEQ
	RELOAD	Reload OTP	Reload or do not Reload when SEQ5 / 6 is complete	SOC	SOC	OTP Register
	FORCE_INT	Force NIRQ low	NIRQ contolled by faults / register	SOC	SOC	NRST
	FORCE_ACT	Force PSEQ Active state	SLEEP pin controls exit / entry or is ignored	PSEQ	SOC can clear it; but not set it	PSEQ
	FORCE_SHDN[1:0]	Force PSEQ Shutdown state	ACT pin control or Force SHDN and resume ACT pin control after delay	SOC	SOC; WDT	PSEQ
	RST_DLY[3:0]	Reset Delay	0.1 ms to 128 ms	SOC	None	PSEQ
	RTC_WAKE	Autonomous wake alarm enable	Disabled / Enabled	SOC	None	RTC
	RTC_PU	Autonomous RTC power up from SHDN2 to ACTIVE	Disabled / Enabled	SOC	None	RTC
	REQ_PEC	Require PEC byte (if EN_PEC = 1)	Missing PEC is treated as good / bad	SOC	None	I2C
	EN_PEC	Packet Error checking (PEC)	PEC disabled / enabled	SOC	None	I2C
	AT_POR	Run BIST at POR	Skip / run BIST at POR	SOC	None	BIST
	AT_SHDN	Run BIST when exiting SEQ5 / 6	Default to not run BIST	SOC	None	BIST
PSEQ	USLOT[3:0]	Power Up / Sleep Exit time slots	125 μs / 2.5 s	SOC	None	PSEQ
	DSLOT[3:0]	Power down / Sleep Entry time slots	125 μs / 2.5 s	SOC	None	PSEQ
	SSTEP	Slot step multiplier	250 μs / 1000 μs	SOC	None	PSEQ
	PU[3:0][12:1]	Power Up Sequence	ENx not mapped / ENx mapped	SOC	None	PSEQ
	PD[3:0][12:1]	Power Down Sequence	ENx not mapped / ENx mapped	SOC	None	PSEQ
	SLP_EXT[3:0][12:1]	Sleep Exit Sequence	ENx not mapped / ENx mapped	SOC	None	PSEQ
	SLP_ENTRY[3:0][12:1]	Sleep Entry Sequence	ENx not mapped / ENx mapped	SOC	None	PSEQ
RTC ⁽²⁾	RTC_T[31:0]	RTC time setting	1 sec to 136 years	XTAL; internal oscillator	None	RTC
RTC ⁽²⁾	RTC_A[31:0]	RTC alarm setting	1 sec to 136 years	SOC	None	RTC
WDT	WDT_EN[1:0]	Watchdog configuration	Disabled / Enabled	SOC	None	WDT
	SLP_EN	Automatic disable in Sleep mode	Watchdog disabled / enabled in Sleep	SOC	None	WDT
	WDT_DLY[2:0]	Delay in number of Watchdog periods	1 or 8 WDT period	SOC	None	WDT
	PDMD[1:0]	Power down mode for WDT force power down	Value written to CTL_1.FORCE_SHDN on WDT power down	SOC	None	PSEQ
	CLOSE[7:0]	WDT close window configuration	1 ms to 864 ms	SOC	None	WDT
	OPEN[7:0]	WDT open window configuration	1 ms to 864 ms	SOC	None	WDT
	KEY[7:0]	WDT key to reset	0 / 1	SOC	None	WDT
PROT	WRK	Work set register lock	0 / 1	SOC only 1	None	Write function to those register groups
	SEQS	SEQS set register lock	0 / 1	SOC only 1	None	Write function to those register groups
	SEQP	SEQP set register lock	0 / 1	SOC only 1	None	Write function to those register groups
	SEQC	SEQC set register lock	0 / 1	SOC only 1	None	Write function to those register groups
	WDT	WDT set register lock	0 / 1	SOC only 1	None	Write function to those reg groups
	RTC	RTC set register lock	0 / 1	SOC only 1	None	Write function to those reg groups
	CTL	CTL set register lock	0 / 1	SOC only 1	None	Write function to those reg groups

(1) Presence of fault reporting functionality dependent on part configuration.

(2) Register RTC_T must be written to before writing a value in register RTC_A.

Figure 8-17 I2C Single Byte Write.

Figure 8-18 I2C Single Byte Read.

Figure 8-19 I2C Sequencial Write.

Figure 8-20 I2C Sequential Read.

Figure 8-21 I2C Single Byte Write with PEC.

Figure 8-22 I2C Single Byte Read with PEC.

Package Options

Mechanical Data (Package|Pins)

Thermal pad, mechanical data (Package|Pins)

Orderable Information

8.3.7 I2C

8.3.7 I²C