SNVU860 april   2023 LP87523-Q1

 

  1.   Abstract
  2.   Trademarks
  3. 1Introduction
  4. 2Sequencing
  5. 3Register Bits Loaded From OTP Memory

3 Register Bits Loaded From OTP Memory

Table 3-1 lists all the default register bit values loaded from the OTP memory during device start-up.

Table 3-1 Summary of Register Values
Address Register Name Bit Value Description
0x01 OTP_REV OTP_ID[7:0] E4h E4h
0x02 BUCK0_CTRL1 EN_BUCK0 01h ENABLED
0x02 BUCK0_CTRL1 EN_PIN_CTRL0 01h EN1 pin
0x02 BUCK0_CTRL1 BUCK0_EN_PIN_SELECT[1:0] 00h EN_BUCK0 bit AND EN1 pin
0x02 BUCK0_CTRL1 BUCK0_FPWM 01h Forced PWM
0x02 BUCK0_CTRL1 BUCK0_FPWM_MP 01h Forced multi-phase operation
0x04 BUCK1_CTRL1 EN_BUCK1 01h ENABLED
0x04 BUCK1_CTRL1 EN_PIN_CTRL1 01h EN1 pin
0x04 BUCK1_CTRL1 BUCK1_EN_PIN_SELECT[1:0] 00h EN_BUCK1 bit AND EN1 pin
0x04 BUCK1_CTRL1 BUCK1_FPWM 01h Forced PWM
0x06 BUCK2_CTRL1 EN_BUCK2 01h ENABLED
0x06 BUCK2_CTRL1 EN_PIN_CTRL2 01h EN1 pin
0x06 BUCK2_CTRL1 BUCK2_EN_PIN_SELECT[1:0] 00h EN_BUCK2 bit AND EN1 pin
0x06 BUCK2_CTRL1 BUCK2_FPWM 01h Forced PWM
0x06 BUCK2_CTRL1 BUCK2_FPWM_MP 01h Forced multi-phase operation
0x08 BUCK3_CTRL1 EN_BUCK3 01h ENABLED
0x08 BUCK3_CTRL1 EN_PIN_CTRL3 01h EN1 pin
0x08 BUCK3_CTRL1 BUCK3_EN_PIN_SELECT[1:0] 00h EN_BUCK3 bit AND EN1 pin
0x08 BUCK3_CTRL1 BUCK3_FPWM 01h Forced PWM
0x0A BUCK0_VOUT BUCK0_VSET[7:0] 25h 800 mV
0x0C BUCK1_VOUT BUCK1_VSET[7:0] 25h 800 mV
0x0E BUCK2_VOUT BUCK2_VSET[7:0] 75h 1200 mV
0x10 BUCK3_VOUT BUCK3_VSET[7:0] B1h 1800 mV
0x12 BUCK0_DELAY BUCK0_SHUTDOWN_DELAY[3:0] 00h 0 ms
0x12 BUCK0_DELAY BUCK0_STARTUP_DELAY[3:0] 06h 6 ms
0x13 BUCK1_DELAY BUCK1_SHUTDOWN_DELAY[3:0] 00h 0 ms
0x13 BUCK1_DELAY BUCK1_STARTUP_DELAY[3:0] 06h 6 ms
0x14 BUCK2_DELAY BUCK2_SHUTDOWN_DELAY[3:0] 02h 2 ms
0x14 BUCK2_DELAY BUCK2_STARTUP_DELAY[3:0] 04h 4 ms
0x15 BUCK3_DELAY BUCK3_SHUTDOWN_DELAY[3:0] 04h 4 ms
0x15 BUCK3_DELAY BUCK3_STARTUP_DELAY[3:0] 02h 2 ms
0x16 GPIO2_DELAY GPIO2_SHUTDOWN_DELAY[3:0] 06h 6 ms
0x16 GPIO2_DELAY GPIO2_STARTUP_DELAY[3:0] 00h 0 ms
0x17 GPIO3_DELAY GPIO3_SHUTDOWN_DELAY[3:0] 00h 0 ms
0x17 GPIO3_DELAY GPIO3_STARTUP_DELAY[3:0] 00h 0 ms
0x19 CONFIG DOUBLE_DELAY 00h 0-15 ms with 1 ms steps
0x19 CONFIG CLKIN_PD 01h ENABLED
0x19 CONFIG EN3_PD 01h ENABLED
0x19 CONFIG TDIE_WARN_LEVEL 01h 137C
0x19 CONFIG EN2_PD 01h ENABLED
0x19 CONFIG EN1_PD 01h ENABLED
0x21 TOP_MASK1 SYNC_CLK_MASK 01h MASKED
0x21 TOP_MASK1 TDIE_WARN_MASK 00h UNMASKED
0x21 TOP_MASK1 I_LOAD_READY_MASK 01h MASKED
0x22 TOP_MASK2 RESET_REG_MASK 01h MASKED
0x23 BUCK_0_1_MASK BUCK1_PG_MASK 01h MASKED
0x23 BUCK_0_1_MASK BUCK1_ILIM_MASK 01h MASKED
0x23 BUCK_0_1_MASK BUCK0_PG_MASK 01h MASKED
0x23 BUCK_0_1_MASK BUCK0_ILIM_MASK 01h MASKED
0x24 BUCK_2_3_MASK BUCK3_PG_MASK 01h MASKED
0x24 BUCK_2_3_MASK BUCK3_ILIM_MASK 01h MASKED
0x24 BUCK_2_3_MASK BUCK2_PG_MASK 01h MASKED
0x24 BUCK_2_3_MASK BUCK2_ILIM_MASK 01h MASKED
0x28 PGOOD_CTRL1 PG3_SEL[1:0] 01h Power-Good-threshold voltage
0x28 PGOOD_CTRL1 PG2_SEL[1:0] 01h Power-Good-threshold voltage
0x28 PGOOD_CTRL1 PG1_SEL[1:0] 00h Masked
0x28 PGOOD_CTRL1 PG0_SEL[1:0] 01h Power-Good-threshold voltage
0x29 PGOOD_CTRL2 HALF_DELAY 00h 0-15 ms with 1 ms steps
0x29 PGOOD_CTRL2 EN_PG0_NINT 00h PGOOD signal NOT included to nINT signal
0x29 PGOOD_CTRL2 PGOOD_SET_DELAY 00h 4-10 us
0x29 PGOOD_CTRL2 EN_PGFLT_STAT 00h Live status of monitored voltage outputs
0x29 PGOOD_CTRL2 PGOOD_WINDOW 01h Overvoltage and undervoltage monitoring
0x29 PGOOD_CTRL2 PGOOD_OD 01h Open-drain output
0x29 PGOOD_CTRL2 PGOOD_POL 00h HIGH
0x2B PLL_CTRL PLL_MODE[1:0] 00h PLL disabled, internal RC oscillator
0x2B PLL_CTRL EXT_CLK_FREQ[4:0] 01h 2 MHz
0x2C PIN_FUNCTION EN_SPREAD_SPEC 01h ENABLED
0x2C PIN_FUNCTION EN_PIN_CTRL_GPIO3 01h GPIO3_OUT bit AND ENx pin
0x2C PIN_FUNCTION EN_PIN_SELECT_GPIO3 00h GPIO3_SEL bit AND EN1 pin
0x2C PIN_FUNCTION EN_PIN_CTRL_GPIO2 01h GPIO2_OUT bit AND ENx pin
0x2C PIN_FUNCTION EN_PIN_SELECT_GPIO2 00h GPIO2_SEL bit AND EN1 pin
0x2C PIN_FUNCTION GPIO3_SEL 01h GPIO3
0x2C PIN_FUNCTION GPIO2_SEL 01h GPIO2
0x2C PIN_FUNCTION GPIO1_SEL 00h EN1
0x2D GPIO_CONFIG GPIO3_OD 01h Open-drain output
0x2D GPIO_CONFIG GPIO2_OD 00h Push-pull output
0x2D GPIO_CONFIG GPIO1_OD 00h Push-pull output
0x2D GPIO_CONFIG GPIO3_DIR 01h Output
0x2D GPIO_CONFIG GPIO2_DIR 01h Output
0x2D GPIO_CONFIG GPIO1_DIR 00h Input
0x2F GPIO_OUT GPIO3_OUT 01h Logic high level
0x2F GPIO_OUT GPIO2_OUT 01h Logic high level