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| 型號： | TA2069AF |
| 元件分類： | 音頻控制 |
| 英文描述： | 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDSO24 |
| 封裝： | 0.300 INCH, 1 MM PITCH, PLASTIC, SSOP-24 |
| 文件頁數(shù)： | 6/14頁 |
| 文件大小： | 298K |
| 代理商： | TA2069AF |
TDA9885_TDA9886_3
NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 03 — 16 December 2008
14 of 56
NXP Semiconductors
TDA9885; TDA9886
I2C-bus controlled multistandard alignment-free IF-PLL demodulators
Remark: In case of using the device without the I2C-bus, then the rise time of the supply
voltage after switching on power must be longer than 1.2
s.
9.
I2C-bus control
9.1 Read format
The master generates an acknowledge when it has received the data word READ. The
master next generates an acknowledge, then slave begins transmitting the data word
READ, and so on until the master generates an acknowledge-not bit and transmits a
STOP condition.
9.1.1 Slave address
The rst module address MAD1 is the standard address (see Table 4).
Table 4.
Slave address detection
Slave address
Selectable address bit
Resistor on pin
A3
A0
SIF1 and SIF2
SIOMAD
MAD1
0
1
no
MAD2
0
no
yes
MAD3
1
yes
no
MAD4
1
0
yes
Fig 5.
I2C-bus read format (slave transmits data)
008aaa115
A6 to A0
R/W
D7 to D0
slave address
1
data
S
BYTE 1
A
BYTE 2
NA
P
from master to slave
S = START condition
A = acknowledge
NA = not acknowledge
P = STOP condition
from slave to master
Table 5.
Slave addresses
For MAD activation via external resistor: see Table 4 and Figure 26.
Slave address
Bit
Name
Value
A6
A5
A4
A3
A2
A1
A0
MAD1
43h
1000011
MAD2
42h
1000010
MAD3
4Bh
1001011
MAD4
4Ah
1001010
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