SNVU679 September   2019 LP8733

 

  1.   LP873347 Technical Reference Manual
    1. 1 Introduction
    2. 2 OTP Memory Device Settings
    3. 3 Power-up and Power Down Sequence
    4. 4 Register Bits Loaded From OTP Memory
  2.   Mechanical, Packaging, and Orderable Information
    1. 5 Packaging Information
      1. 5.1 Tape and Reel Information

4 Register Bits Loaded From OTP Memory

Table 8 lists the register bit values loaded from the OTP memory during device start-up.

Table 8. Summary of Control Registers

Address Register Name Bit LP873347 Value
0x00 DEV_REV DEVICE_ID[1:0] 0h
0x01 OTP_REV OTP_ID[7:0] 47h
0x02 BUCK0_CTRL_1 BUCK0_FPWM 0h
0x02 BUCK0_CTRL_1 BUCK0_EN_PIN_CTRL 1h
0x02 BUCK0_CTRL_1 BUCK0_EN 1h
0x03 BUCK0_CTRL_2 BUCK0_ILIM[2:0] 5h
0x03 BUCK0_CTRL_2 BUCK0_SLEW_RATE[2:0] 4h
0x04 BUCK1_CTRL_1 BUCK1_FPWM 0h
0x04 BUCK1_CTRL_1 BUCK1_EN_PIN_CTRL 1h
0x04 BUCK1_CTRL_1 BUCK1_EN 1h
0x05 BUCK1_CTRL_2 BUCK1_ILIM[2:0] 5h
0x05 BUCK1_CTRL_2 BUCK1_SLEW_RATE[2:0] 4h
0x06 BUCK0_VOUT BUCK0_VSET[7:0] 39h
0x07 BUCK1_VOUT BUCK1_VSET[7:0] 43h
0x08 LDO0_CTRL LDO0_EN_PIN_CTRL 1h
0x08 LDO0_CTRL LDO0_EN 1h
0x09 LDO1_CTRL LDO1_EN_PIN_CTRL 1h
0x09 LDO1_CTRL LDO1_EN 1h
0x0A LDO0_VOUT LDO0_VSET[4:0] 4h
0x0B LDO1_VOUT LDO1_VSET[4:0] 1h
0x0C BUCK0_DELAY BUCK0_SHUTDOWN_DELAY[3:0] Ch
0x0C BUCK0_DELAY BUCK0_STARTUP_DELAY[3:0] 0h
0x0D BUCK1_DELAY BUCK1_SHUTDOWN_DELAY[3:0] Ah
0x0D BUCK1_DELAY BUCK1_STARTUP_DELAY[3:0] 2h
0x0E LDO0_DELAY LDO0_SHUTDOWN_DELAY[3:0] 0h
0x0E LDO0_DELAY LDO0_STARTUP_DELAY[3:0] Ch
0x0F LDO1_DELAY LDO1_SHUTDOWN_DELAY[3:0] Ch
0x0F LDO1_DELAY LDO1_STARTUP_DELAY[3:0] 0h
0x10 GPO_DELAY GPO_SHUTDOWN_DELAY[3:0] Ch
0x10 GPO_DELAY GPO_STARTUP_DELAY[3:0] 1h
0x11 GPO2_DELAY GPO2_SHUTDOWN_DELAY[3:0] 0h
0x11 GPO2_DELAY GPO2_STARTUP_DELAY[3:0] 0h
0x12 GPO_CTRL GPO2_OD 1h
0x12 GPO_CTRL GPO2_EN_PIN_CTRL 0h
0x12 GPO_CTRL GPO2_EN 0h
0x12 GPO_CTRL GPO_OD 1h
0x12 GPO_CTRL GPO_EN_PIN_CTRL 1h
0x12 GPO_CTRL GPO_EN 1h
0x13 CONFIG STARTUP_DELAY_SEL 1h
0x13 CONFIG SHUTDOWN_DELAY_SEL 1h
0x13 CONFIG CLKIN_PIN_SEL 0h
0x13 CONFIG CLKIN_PD 1h
0x13 CONFIG EN_PD 1h
0x13 CONFIG TDIE_WARN_LEVEL 0h
0x13 CONFIG EN_SPREAD_SPEC 0h
0x14 PLL_CTRL EN_PLL 0h
0x14 PLL_CTRL EXT_CLK_FREQ[4:0] 1h
0x15 PGOOD_CTRL_1 PGOOD_POL 0h
0x15 PGOOD_CTRL_1 PGOOD_OD 1h
0x15 PGOOD_CTRL_1 PGOOD_WINDOW_LDO 1h
0x15 PGOOD_CTRL_1 PGOOD_WINDOW_BUCK 1h
0x15 PGOOD_CTRL_1 EN_PGOOD_LDO1 1h
0x15 PGOOD_CTRL_1 EN_PGOOD_LDO0 1h
0x15 PGOOD_CTRL_1 EN_PGOOD_BUCK1 1h
0x15 PGOOD_CTRL_1 EN_PGOOD_BUCK0 1h
0x16 PGOOD_CTRL_2 EN_PGOOD_TWARN 0h
0x16 PGOOD_CTRL_2 PG_FAULT_GATES_PGOOD 0h
0x16 PGOOD_CTRL_2 PGOOD_MODE 0h
0x20 TOP_MASK_1 PGOOD_INT_MASK 1h
0x20 TOP_MASK_1 SYNC_CLK_MASK 1h
0x20 TOP_MASK_1 TDIE_WARN_MASK 1h
0x20 TOP_MASK_1 I_MEAS_MASK 1h
0x21 TOP_MASK_2 RESET_REG_MASK 1h
0x22 BUCK_MASK BUCK1_PGF_MASK 1h
0x22 BUCK_MASK BUCK1_PGR_MASK 1h
0x22 BUCK_MASK BUCK1_ILIM_MASK 1h
0x22 BUCK_MASK BUCK0_PGF_MASK 1h
0x22 BUCK_MASK BUCK0_PGR_MASK 1h
0x22 BUCK_MASK BUCK0_ILIM_MASK 1h
0x23 LDO_MASK LDO1_PGF_MASK 1h
0x23 LDO_MASK LDO1_PGR_MASK 1h
0x23 LDO_MASK LDO1_ILIM_MASK 1h
0x23 LDO_MASK LDO0_PGF_MASK 1h
0x23 LDO_MASK LDO0_PGR_MASK 1h
0x23 LDO_MASK LDO0_ILIM_MASK 1h