SNVU828 March 2022 LP87562-Q1
Table 3-1 lists all the default register bit values loaded from the OTP memory during device start-up.
Address | Register Name | Bit | Value | Description |
---|---|---|---|---|
0x01 | OTP_REV | OTP_ID[7:0] | D2h | D2h |
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 |
0x03 | BUCK0_CTRL2 | ILIM0[2:0] | 07h | 5.0 A |
0x03 | BUCK0_CTRL2 | SLEW_RATE0[2:0] | 04h | 3.8 mV/us |
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 |
0x05 | BUCK1_CTRL2 | ILIM1[2:0] | 07h | 5.0 A |
0x05 | BUCK1_CTRL2 | SLEW_RATE1[2:0] | 04h | 3.8 mV/us |
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 |
0x07 | BUCK2_CTRL2 | ILIM2[2:0] | 07h | 5.0 A |
0x07 | BUCK2_CTRL2 | SLEW_RATE2[2:0] | 04h | 3.8 mV/us |
0x08 | BUCK3_CTRL1 | EN_BUCK3 | 01h | Enabled |
0x08 | BUCK3_CTRL1 | EN_PIN_CTRL3 | 01h | EN2 pin |
0x08 | BUCK3_CTRL1 | BUCK3_EN_PIN_SELECT[1:0] | 01h | EN_BUCK3 bit AND EN2 pin |
0x08 | BUCK3_CTRL1 | BUCK3_FPWM | 01h | Forced PWM |
0x09 | BUCK3_CTRL2 | ILIM3[2:0] | 07h | 5.0 A |
0x09 | BUCK3_CTRL2 | SLEW_RATE3[2:0] | 04h | 3.8 mV/us |
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] | 25h | 800 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] | 00h | 0 ms |
0x13 | BUCK1_DELAY | BUCK1_SHUTDOWN_DELAY[3:0] | 00h | 0 ms |
0x13 | BUCK1_DELAY | BUCK1_STARTUP_DELAY[3:0] | 00h | 0 ms |
0x14 | BUCK2_DELAY | BUCK2_SHUTDOWN_DELAY[3:0] | 00h | 0 ms |
0x14 | BUCK2_DELAY | BUCK2_STARTUP_DELAY[3:0] | 00h | 0 ms |
0x15 | BUCK3_DELAY | BUCK3_SHUTDOWN_DELAY[3:0] | 00h | 0 ms |
0x15 | BUCK3_DELAY | BUCK3_STARTUP_DELAY[3:0] | 00h | 0 ms |
0x16 | GPIO2_DELAY | GPIO2_SHUTDOWN_DELAY[3:0] | 00h | 0 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 | 00h | Unmasked |
0x23 | BUCK_0_1_MASK | BUCK0_PG_MASK | 01h | Masked |
0x23 | BUCK_0_1_MASK | BUCK0_ILIM_MASK | 00h | Unmasked |
0x24 | BUCK_2_3_MASK | BUCK3_PG_MASK | 01h | Masked |
0x24 | BUCK_2_3_MASK | BUCK3_ILIM_MASK | 00h | Unmasked |
0x24 | BUCK_2_3_MASK | BUCK2_PG_MASK | 01h | Masked |
0x24 | BUCK_2_3_MASK | BUCK2_ILIM_MASK | 00h | Unmasked |
0x28 | PGOOD_CTRL1 | PG3_SEL[1:0] | 01h | Power-Good-threshold voltage |
0x28 | PGOOD_CTRL1 | PG2_SEL[1:0] | 00h | Masked |
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 | 00h | EN2 |
0x2C | PIN_FUNCTION | GPIO1_SEL | 00h | EN1 |
0x2D | GPIO_CONFIG | GPIO3_OD | 00h | Push-pull output |
0x2D | GPIO_CONFIG | GPIO2_OD | 01h | Open-drain output |
0x2D | GPIO_CONFIG | GPIO1_OD | 00h | Push-pull output |
0x2D | GPIO_CONFIG | GPIO3_DIR | 01h | Output |
0x2D | GPIO_CONFIG | GPIO2_DIR | 00h | Input |
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 |