TEF6894H datasheet(24/55 Pages) PHILIPS

24 / 55 page

2003 Oct 21

Philips Semiconductors

Product speciﬁcation

Car radio integrated signal processor

TEF6894H

11 I2C-BUS PROTOCOL

Table 1

Write mode

Notes

1. S = START condition.

2. A = acknowledge.

3. P = STOP condition.

Table 2

Read mode

Notes

1. S = START condition.

2. A = acknowledge.

3. NA = not acknowledge.

4. P = STOP condition.

Table 3

IC address byte

Table 4

Description of IC address byte

11.1

Read mode

11.1.1

DATA BYTE 1; STATUS

Table 5

Format of data byte 1

S(1)

address (write)

A(2)

subaddress

A(2)

data byte(s)

A(2)

P(3)

S(1)

address (read)

A(2)

data byte(s)

A(2)

data byte

NA(3)

P(4)

IC ADDRESS

MODE

001100

ADDR

R/W

BIT

SYMBOL

DESCRIPTION

7to2

−

001100+(ADDR) = IC address.

ADDR

Address bit. 0 = pin ADDR is grounded; 1 = pin ADDR is ﬂoating.

0R/W

Read/Write. 0 = write mode; 1 = read mode.

BIT 7

BIT 6

BIT 5

BIT 4

BIT 3

BIT 2

BIT 1

BIT 0

STIN

ASIA

AFUS

POR

−

ID2

ID1

ID0

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