參數(shù)資料
型號(hào): TS4956EKIJT
廠商: STMICROELECTRONICS
元件分類: 音頻/視頻放大
英文描述: 1.06 W, 2 CHANNEL, AUDIO AMPLIFIER, PBGA18
封裝: LEAD FREE, FCP-18
文件頁(yè)數(shù): 15/19頁(yè)
文件大?。?/td> 1025K
代理商: TS4956EKIJT
TS4956
Application Information
5/19
The slave address of the TS4956 is DC hex. The host MCU can write into the TS4956
control registers. These registers can only be written via the IC bus; the READ function is
undefined.
In order to write data into the TS4956, after the "start" message, the MCU must send the
following data:
the IC address slave byte with a low level for the R/W bit,
the byte to the internal register address where the MCU wants to write data,
the data.
Figure 2.
IC write operation
All bytes are sent with MSB bit first. The transfer of written data is ended with a "stop"
message. When transmitting multiple data, the register addresses and data can be written
with no need to repeat the start and slave addresses.
SDA
S1
0
1
0
A
1
0
D7 D6 D5 D4 D3
A
P
Start condition
SLAVE ADDRESS
CONTROL REGISTERS
R/W
Acknowledge
from Slave
Acknowledge
from Slave
Stop condition
Volume Control
settings
Output
Mode settings
D2 D1 D0
SDA
S1
0
1
0
A
1
0
D7 D6 D5 D4 D3
A
P
Start condition
SLAVE ADDRESS
CONTROL REGISTERS
R/W
Acknowledge
from Slave
Acknowledge
from Slave
Stop condition
Volume Control
settings
Output
Mode settings
D2 D1 D0
Table 6.
Output mode selection: G from -34.5dB to + 12dB (by step of 1.5dB)(1)
Output Mode #
RHP
LHP
Speaker P/N
Mono L/O
0SD
SD
1SD
SD
Gx (MIP + MIN)
SD
2
SD
GX (RIN + LIN)
SD
3
GX (MIP + MIN)
SD
4
G x RIN
G x LIN
SD
5
SD
GX (MIP + MIN)
6SD
SD
GX (RIN + LIN)
7
BTL: G x RIN
G x LIN
SD
1.
SD
= Shutdown Mode
G
= Audio Gain
MIP
= Mono Input Positive
MIN
= Mono Input Negative
RIN
= Stereo Input Right
LIN
= Stereo Input Left
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