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LP8733 Datasheet(PDF) 42 Page - Texas Instruments |
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LP8733 Datasheet(HTML) 42 Page - Texas Instruments |
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42 / 82 page  42 LP8733 SNVSBK2 – SEPTEMBER 2019 www.ti.com Product Folder Links: LP8733 Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated 7.6 Register Maps 7.6.1 Register Descriptions The LP8733xx is controlled by a set of registers through the I2C-compatible interface. The device registers addresses and abbreviations are listed in Table 7. A more detailed description is given in the DEV_REV to I_LOAD_1 sections. NOTE This register map describes the default values for bits that are not read from OTP memory. The orderable code and the default register bit values are defined in part-number specific Technical Reference Manuals. Table 7. Summary of LP8733xx Control Registers Addr Register Read / Write D7 D6 D5 D4 D3 D2 D1 D0 0x00 DEV_REV R DEVICE_ID[1:0] Reserved - do not use 0x01 OTP_REV R OTP_ID[7:0] 0x02 BUCK0_ CTRL_1 R/W Reserved - do not use BUCK0_FP WM_MP BUCK0_FP WM BUCK0_RDI S_EN BUCK0_ EN_PIN_CT RL BUCK0_EN 0x03 BUCK0_ CTRL_2 R/W Reserved - do not use BUCK0_ILIM[2:0] BUCK0_SLEW_RATE[2:0] 0x04 BUCK1_ CTRL_1 R/W Reserved - do not use BUCK1_FP WM BUCK1_RDI S_EN BUCK1_ EN_PIN_CT RL BUCK1_EN 0x05 BUCK1_ CTRL_2 R/W Reserved - do not use BUCK1_ILIM[2:0] BUCK1_SLEW_RATE[2:0] 0x06 BUCK0_ VOUT R/W BUCK0_VSET[7:0] 0x07 BUCK1_ VOUT R/W BUCK1_VSET[7:0] 0x08 LDO0_ CTRL R/W Reserved - do not use LDO0_RDIS _EN LDO0_ EN_PIN_CT RL LDO0_EN 0x09 LDO1_ CTRL R/W Reserved - do not use LDO1_RDIS _EN LDO1_ EN_PIN_CT RL LDO1_EN 0x0A LDO0_ VOUT R/W Reserved - do not use LDO0_VSET[4:0] 0x0B LDO1_ VOUT R/W Reserved - do not use LDO1_VSET[4:0] 0x0C BUCK0_ DELAY R/W BUCK0_SHUTDOWN_DELAY[3:0] BUCK0_STARTUP_DELAY[3:0] 0x0D BUCK1_ DELAY R/W BUCK1_SHUTDOWN_DELAY[3:0] BUCK1_STARTUP_DELAY[3:0] 0x0E LDO0_ DELAY R/W LDO0_SHUTDOWN_DELAY[3:0] LDO0_STARTUP_DELAY[3:0] 0x0F LDO1_ DELAY R/W LDO1_SHUTDOWN_DELAY[3:0] LDO1_STARTUP_DELAY[3:0] 0x10 GPO_ DELAY R/W GPO_SHUTDOWN_DELAY[3:0] GPO_STARTUP_DELAY[3:0] 0x11 GPO2_ DELAY R/W GPO2_SHUTDOWN_DELAY[3:0] GPO2_STARTUP_DELAY[3:0] 0x12 GPO_ CTRL R/W Reserved - do not use GPO2_OD GPO2_ EN_PIN_CT RL GPO2_EN Reserved - do not use GPO_OD GPO_ EN_PIN_CT RL GPO_EN 0x13 CONFIG R/W Reserved - do not use STARTUP_ DELAY_SE L SHUTDOW N_DELAY_ SEL CLKIN_PIN _SEL CLKIN_PD EN_PD TDIE _WARN _LEVEL EN_ SPREAD _SPEC 0x14 PLL_CTRL R/W Reserved - do not use EN_PLL Reserved - do not use EXT_CLK_FREQ[4:0] |
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