LP87702 datasheet(45/99 Pages) TI

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8.6 Register Maps

8.6.1 Register Descriptions

The LP87702-Q1 is controlled by a set of registers through the system serial interface port. This register map

describes the default values for the bits which are not read from OTP memory. The asterisk (*) marking indicates

the register bits which are updated from the OTP memory during the READ OTP state. OTP values for each

orderable part number are described in a separate technical reference manual TRM.

8.6.1.1 LP8770_map Registers

Table 8-9 lists the memory-mapped registers for the LP8770_map registers. All register offset addresses not

listed in Table 8-9 should be considered as reserved locations and the register contents should not be modified.

Table 8-9. LP8770_MAP Registers

Offset

Acronym

Section

DEV_REV

Section 8.6.1.1.1

OTP_CODE

Section 8.6.1.1.2

BUCK0_CTRL_1

Section 8.6.1.1.3

BUCK0_CTRL_2

Section 8.6.1.1.4

BUCK1_CTRL_1

Section 8.6.1.1.5

BUCK1_CTRL_2

Section 8.6.1.1.6

BUCK0_VOUT

Section 8.6.1.1.7

BUCK1_VOUT

Section 8.6.1.1.8

BOOST_CTRL

Section 8.6.1.1.9

BUCK0_DELAY

Section 8.6.1.1.10

BUCK1_DELAY

Section 8.6.1.1.11

BOOST_DELAY

Section 8.6.1.1.12

GPO0_DELAY

Section 8.6.1.1.13

GPO1_DELAY

Section 8.6.1.1.14

GPO2_DELAY

Section 8.6.1.1.15

GPO_CONTROL_1

Section 8.6.1.1.16

10h

GPO_CONTROL_2

Section 8.6.1.1.17

11h

CONFIG

Section 8.6.1.1.18

12h

PLL_CTRL

Section 8.6.1.1.19

13h

PGOOD_CTRL

Section 8.6.1.1.20

14h

PGOOD_LEVEL_1

Section 8.6.1.1.21

15h

PGOOD_LEVEL_2

Section 8.6.1.1.22

16h

PGOOD_LEVEL_3

Section 8.6.1.1.23

17h

PG_CTRL

Section 8.6.1.1.24

18h

PG0_CTRL

Section 8.6.1.1.25

19h

PG0_FAULT

Section 8.6.1.1.26

1Ah

PG1_CTRL

Section 8.6.1.1.27

1Bh

PG1_FAULT

Section 8.6.1.1.28

1Ch

WD_CTRL_1

Section 8.6.1.1.29

1Dh

WD_CTRL_2

Section 8.6.1.1.30

1Eh

WD_STATUS

Section 8.6.1.1.31

1Fh

RESET

Section 8.6.1.1.32

20h

INT_TOP_1

Section 8.6.1.1.33

21h

INT_TOP_2

Section 8.6.1.1.34

22h

INT_BUCK

Section 8.6.1.1.35

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LP87702-Q1

SNVSAL1C – DECEMBER 2017 – REVISED JUNE 2021

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