TDA8295_09 Datasheet, PDF (13/83 Pages) NXP Semiconductors – Digital global standard low IF demodulator for analog TV and FM radio

NXP Semiconductors
TDA8295
Digital global standard low IF demodulator for analog TV and FM radio
9.1.1 Write mode
S
BYTE 1
A
BYTE 2
A
BYTE 3
A
start
address 0
ack start index ack
data 1
ack ....
Fig 3. I²C-bus Write mode
BYTE n
data n
A
P
ack stop
001aad381
Table 6.
7
1
Address format
6
5
0
0
4
3
SADDR1 0
2
1
Table 7.
Field
S
Byte 1
A
Byte 2
A
Byte 3
A
:
Byte n
A
P
I²C-bus transfer description
Bit
Description
-
START condition
7 to 5
device address
4
SADDR1
3 and 2
device address
1
SADDR0
0
R/W = 0 for write action
-
acknowledge
7 to 0
start index
-
acknowledge
7 to 0
data 1
-
acknowledge
7 to 0
-
-
data n
acknowledge
STOP condition
1
0
SADDR0 R/W
S
start
BYTE 1
1000 0100
A
BYTE 2
A
BYTE 3
A
P
ack
0000 0001
ack
0000 0010
ack
stop
001aah355
a. Address 84h, write 02h in register 01h
S
BYTE 1
A
BYTE 2
A
BYTE 3
A
BYTE 4
start
1000 0100
ack 0000 0010 ack 0000 0101 ack 0000 0100
b. Address 84h, write 05h in register 02h and 04h in register 03h
Fig 4. Examples I²C-bus Write mode
A
P
ack stop
001aah356
TDA8295_C2_2
Product data sheet
Rev. 02 — 27 November 2009
© NXP B.V. 2009. All rights reserved.
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