Texas Instruments Jacinto 7 DRA829 - Page 38

Resource
nRSTOUT TPS65941213-Q1
PMIC Delay Diagram Total Delay Rail Name
0 us H_MCU_PORz_1V8
nRSTOUT_SOC TPS65941213-Q1 0 us H_SOC_PORz_1V8
BUCK3 Monitor TPS65941213-Q1 500 us mVDD_MCUIO_3V3
LDO3 TPS65941213-Q1 2500 us VDD_DLL_0V8
BUCK123 TPS65941213-Q1 2500 us VDD_CPU(AVS)
BUCK4 TPS65941213-Q1 2500 us VDD_MCU_0V85
BUCK5 TPS65941213-Q1 3000 us VDD_PHY_1V8
LDO2 TPS65941213-Q1 500 us VDD_MCUIO_1V8
LDO4 TPS65941213-Q1 500 us VDA_MCU_1V8
LDO1 TPS65941213-Q1 3000 us VDD1_DDR_1V8
GPIO9 TPS65941213-Q1 3500 us EN_MCU3V3IO_LDSW
GPIO3 TPS65941111-Q1 500 us EN_VDDR
BUCK5 TPS65941111-Q1 500 us VDD_RAM_0V85
LDO3 TPS65941111-Q1 500 us VDD_IO_1V8
BUCK1234 TPS65941111-Q1 2500 us VDD_CORE_0V8
LDO4 TPS65941111-Q1 3000 us VDA_PLL_1V8
LDO1 TPS65941111-Q1
3500 us VDD_SD_DV
LDO2 TPS65941111-Q1 3500 us VDD_USB_3V3
GPIO11 TPS65941111-Q1 3500 us EN_3V3IO_LDSW
EN_DRV TPS65941213-Q1 0 us EN_DRV
Figure 6-3. TO_SAFE_ORDERLY and TO_STANDBY Power Sequence
At the end of the TO_SAFE_ORDERLY both PMICs wait approximately 16 ms before executing the following
instructions:
//TPS65941213
// Clear AMUXOUT_EN and CLKMON_EN and set LPM_EN
REG_WRITE_MASK_IMM ADDR=0x81 DATA=0x04 MASK=0xE3
// Reset all BUCKs
REG_WRITE_MASK_IMM ADDR=0x87 DATA=0x1F MASK=0xE0
//TPS65941111
// Clear AMUXOUT_EN and CLKMON_EN and set LPM_EN
Pre-Configurable Finite State Machine (PFSM) Settings www.ti.com
38 Optimized Dual TPS6594-Q1 PMIC User Guide for Jacinto
™
7 DRA829 or
TDA4VM Automotive PDN-0C
SLVUC99 – JANUARY 2022
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