TMDS181I datasheet(33/58 Pages) TI1

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TMDS181, TMDS181I

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SLASE75A – AUGUST 2015 – REVISED OCTOBER 2015

Refer to Local I2C Control Bit Access TAG Convention for TMDS181 local I2C register descriptions. Reads from

reserved fields not described return zeros, and writes are ignored.

8.5.2 Local I2C Control Bit Access TAG Convention

Reads from reserved fields return zero, and writes to read-only reserved registers are ignored. All addresses not

defined by this specification are considered reserved. Reads from these addresses return zero and writes are

ignored.

BIT ACCESS TAG CONVENTIONS

A table of bit descriptions is typically included for each register description that indicates the bit field name, field

description, and the field access tags. Table 4 describes the field access tags.

Table 4. Field Access Tags

ACCESS TAG

NAME

DESCRIPTION

Read

The field will be read by software

Write

The field will be written by software

Set

The field will be set by a write of 1. Writes of 0 to the field have no effect

Update

Hardware may autonomously update this field

8.5.3 CSR Bit Field Definitions

8.5.3.1 ID Registers

Table 5. ID Registers Field Descriptions

ADDRESS

BITS

DESCRIPTION

ACCESS

00h~07h

7:0

DEVICE_ID

These fields return a string of ASCII characters “TMDS181” followed by one space

character.

TMDS181: Address 0x00 – 0x07 = {- 0x54”T”, 0x4D”M”, 0x44”D”, 0x53”S”, 0x31”1”,

0x38”8”, 0x31”1”, 0x20},

08h

7:0

REV _ID. This field identifies the device revision.

0000001 – TMDS181 revision 1

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