TUSB8020B datasheet(13/44 Pages) TI

13 / 44 page

TUSB8020B

www.ti.com

SLLSEF6C – JULY 2014 – REVISED JUNE 2017

Product Folder Links: TUSB8020B

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8.5 Register Maps

8.5.1 Configuration Registers

The internal configuration registers are accessed on byte boundaries. The configuration register values are

loaded with defaults but can be overwritten when the TUSB8020B is in I2C or SMBus mode.

Table 3. TUSB8020B Register Map

BYTE ADDRESS

CONTENTS

EEPROM CONFIGURABLE

00h

ROM Signature Register

01h

Vendor ID LSB

Yes

02h

Vendor ID MSB

Yes

03h

Product ID LSB

Yes

04h

Product ID MSB

Yes

05h

Device Configuration Register

Yes

06h

Battery Charging Support Register

Yes

07h

Device Removable Configuration Register

Yes

08h

Port Used Configuration Register

Yes

09h

Reserved

Yes, program to 00h

0Ah

Device Configuration Register 2

Yes

0Bh to 0Fh

Reserved

10h to 1Fh

UUID Byte [15:0]

20h to 21h

LangID Byte [1:0]

Yes, if customStrings is set

22h

Serial Number String Length

Yes, if customSerNum is set

23h

Manufacturer String Length

Yes, if customStrings is set

24h

Product String Length

Yes, if customStrings is set

25h to 2Fh

Reserved

Yes

30h to 4Fh

Serial Number String Byte [31:0]

Yes, if customSerNum is set

50h to 8Fh

Manufacturer String Byte [63:0]

Yes, if customStrings is set

90h to CFh

Product String Byte [63:0]

Yes, if customStrings is set

D0 to DFh

Reserved

F0h

Additional Feature Configuration Register

Yes

F1h

Reserved

Yes

F2h

Charging Port Control Register

Yes

F3 to F7h

Reserved

F8h

Device Status and Command Register

F9 to FFh

Reserved

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