tea6845h-v2 NXP Semiconductors, tea6845h-v2 Datasheet - Page 29

• Manufacturer Part Number: tea6845h-v2
• Description: New In Car Entertainment Nice Car Radio
• Manufacturer: NXP Semiconductors

Philips Semiconductors
12.2
12.2.1
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.
Table 3 IC address byte
Notes
1. Defined by address pin FREF:
2. Read or write mode:
12.2.2
Table 4 Format of data byte 1
Table 5 Description of data byte 1 bits
2003 Feb 04
New In Car Entertainment (NICE) car radio
a) 1 = 1st IC address
b) 0 = 2nd IC address.
a) 0 = write operation to TEA6845H
b) 1 = read operation from TEA6845H.
BIT 7
6 to 0
BIT
S
S
AF
1
7
I
(1)
(1)
2
C-bus protocol
D
W
ATA TRANSFER MODE AND
RITE MODE
SYMBOL
PCA[6:0]
PCA6
BIT 6
AF
:
1
DATA BYTE
address (write)
address (read)
Alternative frequency. If AF = 0, then normal operation. If AF = 1, then AF (RDS)
update mode.
Setting of programmable counter of synthesizer PLL. Upper byte of PLL divider
word.
1
PCA5
BIT 5
IC
0
ADDRESS
IC ADDRESS
PCA4
BIT 4
0
29
PCA3
BIT 3
A
A
0
(2)
(2)
DESCRIPTION
data byte(s)
PCA2
BIT 2
0
data byte 1
PCA1
BIT 1
0/1
A
(2)
(1)
Product specification
TEA6845H
MODE
R/W
PCA0
BIT 0
P
(3)
(2)