TUSB1142 datasheet(32/55 Pages) TI

32 / 55 page

Note

After initial power-up, if no register offset is included for the read procedure (refer to Figure 7-3),

then reads start at register offset 00h and continue byte by byte through the registers until the I2C

controller terminates the read operation. During a read operation, the TUSB1142 auto-increments the

I2C internal register address of the last byte transferred independent of whether or not an ACK was

received from the I2C controller.

7.6 Register Map

7.6.1 TUSB1142 Registers

Table 7-9 lists the memory-mapped registers for the TUSB1142 registers. All register offset addresses not listed

in Table 7-9 should be considered as reserved locations and the register contents should not be modified.

Table 7-9. TUSB1142 Registers

Offset

Acronym

Section

Rev_ID

Revision ID Register

Section 7.6.1.1

General_1

General Register

Section 7.6.1.2

TX1EQ_CTRL

TX1 EQ Control

Section 7.6.1.3

1Ch

AEQ_CONTROL1

AEQ Controls

Section 7.6.1.4

1Dh

AEQ_CONTROL2

AEQ Controls

Section 7.6.1.5

1Eh

AEQ_LONG

AEQ setting for Long channel

Section 7.6.1.6

20h

USBC_EQ

EQ control for CRX1 and CRX2 receivers

Section 7.6.1.7

21h

SS_EQ

EQ Control for SSTX receiver

Section 7.6.1.8

22h

USB3_MISC

Misc USB3 Controls

Section 7.6.1.9

24h

USB1_STATUS

USB1 state machine status

Section 7.6.1.10

25h

USB2_STATUS

USB2 state machine status

Section 7.6.1.11

32h

VOD_CTRL

VOD Linearity and AEQ Controls

Section 7.6.1.12

3Bh

AEQ1_STATUS

Full and Fast AEQ status

Section 7.6.1.13

3Ch

AEQ2_STATUS

Full and Fast AEQ status

Section 7.6.1.14

50h

AEQ_CONTROL_AUX1

Section 7.6.1.15

51h

AEQ_CONTROL_AUX2

Section 7.6.1.16

52h

AEQ_CONTROL_AUX3

Section 7.6.1.17

Complex bit access types are encoded to fit into small table cells. Table 7-10 shows the codes that are used for

access types in this section.

Table 7-10. TUSB1142 Access Type Codes

Access Type

Code

Description

Read Type

Set or cleared by hardware

Read

Set or cleared by hardware

Write Type

Write

W1C

Write

1 to clear

W1S

Write

1 to set

WtoP

Write

TUSB1142

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