TUSB322I datasheet(16/35 Pages) TI2

16 / 35 page

TUSB322I

SLLSEO5C – OCTOBER 2015 – REVISED MAY 2017

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Product Folder Links: TUSB322I

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7.6 Register Maps

7.6.1 CSR Registers

Table 6. CSR Registers

Offset

Reset

Section

0x07 through 0x00

[0x00, 0x54, 0x55, 0x53,

0x42, 0x33, 0x32, 0x32]

Device Identification

Device Identification Register

0x08

0x00

Connection Status

Connection Status Register

0x09

0x20

Connection Status and Control

Connection Status and Control Register

0x0A

0x00

General Control

General Control Register

0xA0

0x02

Device Revision

Device Revision Register

7.6.1.1 Device Identification Register (offset = 0x07 through 0x00) [reset = 0x00, 0x54, 0x55, 0x53, 0x42,

0x33, 0x32, 0x32]

Figure 3. Device Identification Register

DEVICE_ID

R-0

LEGEND: R = Read only; -n = value after reset

Table 7. Device Identification Register Field Descriptions

Bit

Field

Type

Reset

Description

7-0

DEVICE_ID

For the TUSB322I device these fields return a string of ASCII

characters returning TUSB322I

Addresses 0x07 - 0x00 = {0x00, 0x54, 0x55, 0x53, 0x42, 0x33,

0x32, 0x32}

7.6.1.2 Connection Status Register (offset = 0x08) [reset = 0x00]

Figure 4. Connection Status Register

CURRENT_MODE_ADVERTISE

CURRENT_MODE_DETECT

ACCESSORY_CONNECTED

ACTIVE_CABL

E_DETECTION

LEGEND: R/W = Read/Write; R/U = Read/Update

Table 8. Connection Status Register Field Descriptions

Bit

Field

Type

Reset

Description

7-6

CURRENT_MODE_ADVERTISE

2'b00

These bits are programmed by the application to raise the

current advertisement from default.

00 – Default (500 mA / 900 mA) initial value at startup

01 – Mid (1.5 A)

10 – High (3 A)

11 – Reserved

5-4

CURRENT_MODE_DETECT

2'b00

These bits are set when a UFP determines the Type-C Current

mode.

00 – Default (value at start up)

01 – Medium

10 – Charge through accessory – 500 mA

11 – High

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