SNVU804 May   2022 LP8732-Q1

 

  1.   Trademarks
  2. 1Technical Reference Manual
  3. 1Introduction
  4. 2OTP Memory Device Settings
  5. 3Power-up and Power Down Sequence
  6. 4Register Bits Loaded From OTP Memory

4 Register Bits Loaded From OTP Memory

Table 4-1 lists the register bit values loaded from the OTP memory during device start-up.

Table 4-1 Summary of Control Registers
Address Register Name Bit LP873248-Q1 Value
0x00 DEV_REV DEVICE_ID[1:0] 1h
0x01 OTP_REV OTP_ID[7:0] 48h
0x02 BUCK0_CTRL_1 BUCK0_FPWM_MP 00h
0x02 BUCK0_CTRL_1 BUCK0_FPWM 01h
0x02 BUCK0_CTRL_1 BUCK0_EN_PIN_CTRL 01h
0x02 BUCK0_CTRL_1 BUCK0_EN 01h
0x03 BUCK0_CTRL_2 BUCK0_ILIM[2:0] 03h
0x03 BUCK0_CTRL_2 BUCK0_SLEW_RATE[2:0] 04h
0x04 BUCK1_CTRL_1 BUCK1_FPWM 01h
0x04 BUCK1_CTRL_1 BUCK1_EN_PIN_CTRL 01h
0x04 BUCK1_CTRL_1 BUCK1_EN 01h
0x05 BUCK1_CTRL_2 BUCK1_ILIM[2:0] 03h
0x05 BUCK1_CTRL_2 BUCK1_SLEW_RATE[2:0] 04h
0x06 BUCK0_VOUT BUCK0_VSET[7:0] 25h
0x07 BUCK1_VOUT BUCK1_VSET[7:0] B1h
0x0C BUCK0_DELAY BUCK0_SHUTDOWN_DELAY[3:0] 01h
0x0C BUCK0_DELAY BUCK0_STARTUP_DELAY[3:0] 01h
0x0D BUCK1_DELAY BUCK1_SHUTDOWN_DELAY[3:0] 01h
0x0D BUCK1_DELAY BUCK1_STARTUP_DELAY[3:0] 01h
0x10 GPO_DELAY GPO_SHUTDOWN_DELAY[3:0] 00h
0x10 GPO_DELAY GPO_STARTUP_DELAY[3:0] 02h
0x11 GPO2_DELAY GPO2_SHUTDOWN_DELAY[3:0] 00h
0x11 GPO2_DELAY GPO2_STARTUP_DELAY[3:0] 00h
0x12 GPO_CTRL GPO2_OD 01h
0x12 GPO_CTRL GPO2_EN_PIN_CTRL 01h
0x12 GPO_CTRL GPO2_EN 01h
0x12 GPO_CTRL GPO_OD 01h
0x12 GPO_CTRL GPO_EN_PIN_CTRL 01h
0x12 GPO_CTRL GPO_EN 01h
0x13 CONFIG STARTUP_DELAY_SEL 01h
0x13 CONFIG SHUTDOWN_DELAY_SEL 01h
0x13 CONFIG CLKIN_PIN_SEL 00h
0x13 CONFIG CLKIN_PD 01h
0x13 CONFIG EN_PD 01h
0x13 CONFIG TDIE_WARN_LEVEL 01h
0x13 CONFIG EN_SPREAD_SPEC 01h
0x14 PLL_CTRL EN_PLL 00h
0x14 PLL_CTRL EXT_CLK_FREQ[4:0] 01h
0x15 PGOOD_CTRL_1 PGOOD_POL 00h
0x15 PGOOD_CTRL_1 PGOOD_OD 01h
0x15 PGOOD_CTRL_1 PGOOD_WINDOW_BUCK 01h
0x15 PGOOD_CTRL_1 EN_PGOOD_BUCK1 01h
0x15 PGOOD_CTRL_1 EN_PGOOD_BUCK0 01h
0x16 PGOOD_CTRL_2 EN_PGOOD_TWARN 00h
0x16 PGOOD_CTRL_2 PG_FAULT_GATES_PGOOD 00h
0x16 PGOOD_CTRL_2 PGOOD_MODE 00h
0x20 TOP_MASK_1 PGOOD_INT_MASK 01h
0x20 TOP_MASK_1 SYNC_CLK_MASK 01h
0x20 TOP_MASK_1 TDIE_WARN_MASK 00h
0x20 TOP_MASK_1 I_MEAS_MASK 01h
0x21 TOP_MASK_2 RESET_REG_MASK 01h
0x22 BUCK_MASK BUCK1_PGF_MASK 01h
0x22 BUCK_MASK BUCK1_PGR_MASK 01h
0x22 BUCK_MASK BUCK1_ILIM_MASK 01h
0x22 BUCK_MASK BUCK0_PGF_MASK 01h
0x22 BUCK_MASK BUCK0_PGR_MASK 01h
0x22 BUCK_MASK BUCK0_ILIM_MASK 01h