參數(shù)資料
型號： TLV320AIC13I
廠商： TEXAS INSTRUMENTS INC
元件分類： 消費家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PDSO30
封裝： PLASTIC, SOP-30
文件頁數(shù)： 17/55頁
文件大?。?/td> 455K
代理商： TLV320AIC13I
3–11
S/Sr
I2C Device Address (3 Bit)+
Dtdmsp Device Address (+)
R/W
= 0
Mode (5 Bit) + Index Reg
Address
(3 Bit)
Ack
Control Reg. Data
(Write)
Ack
Control Reg. Data
(Write)
7 Bit
1 Bit
8 Bit
Increment Index Reg. Address
Default/Broadcast
(00000/11111)
Write Mode
To the Address Given
by Index Reg. Address
To the Address Given
by Index Reg. Address
S/Sr
I2C Device Address (3 Bit)+
Dtdmsp Device Address (+)
R/W
= 1
Control Reg. Data
(Read)
Ack
Control Reg. Data
(Read)
Ack
7 Bit
1 Bit
8 Bit
Read Mode
From the Address Given
by Index Reg. Address
From the Address Given
by Index Reg. Address
Increment Index Reg. Address
S/Sr
I2C Device Address (3 Bit)+
Dtdmsp Device Address (+)
R/W
= 0
Mode (5 Bit) + Index Reg.
Address
(3 Bit)
Ack
7 Bit
1 Bit
8 Bit
For Initializing Index Reg Address
Stop
Figure 3–13. Index Register Addresses
3.8
Smart Time Division Multiplexed Serial Port (SMARTDM)
The Smart time division multiplexed serial port (SMARTDM) uses the 4 wires of DOUT, DIN, SCLK, and FS to transfer
data into and out of the AIC13. The TLV320AIC13s SMARTDM supports three serial interface configurations (see
Table 3–3): stand-alone master, stand-alone slave, and master-slave cascade, employing a time division multiplexed
(TDM) scheme (a cascade of only-slaves is not supported). The SMARTDM allows for a serial connection of up to
16 codecs to a single serial port. Data communication in the three serial interface configurations can be carried out
in either standard operation (Default) or turbo operation. Each operation has two modes; programming mode (default
mode) and continuous data transfer mode. To switch from the programming mode to the continuous data transfer
mode, set bit D6 of control register 1 to 1, which is reset automatically after switching back to programming mode.
The TLV320AIC13 can be switched back from the continuous data transfer mode to the programming mode by setting
the LSB of the data on DIN to 1, only if the data format is (15+1), as selected by bit 0 of control register 1. The
SMARTDM automatically adjusts the number of time slots per frame sync (FS) to match the number of codecs in the
serial interface so that no time slot is wasted. Both the programming mode and the continuous data transfer mode
of the TLV320AIC13 are compatible with the TLV320AIC10. The TLV320AIC13 provides primary/secondary
communication and continuous data transfer with improvements and eliminates the requirements for hardware and
software requests for secondary communication as seen in the TLV320AIC10. The TLV320AIC13 continuous data
transfer mode now supports both master/slave stand alone and cascade.
Table 3–3. Serial Interface Configurations
TLV320AIC13
M/S PIN
FSD PIN
COMMENTS
TLV320AIC13
CONNECTIONS
MASTER
SLAVE
MASTER
SLAVE
COMMENTS
Stand-alone master
High
NA
Pull high
NA
Stand-alone slave
NA
Low
NA
Pull low
Master-slave cascade
High
Low
Connect to the next slave’s FS
(see Figure 3–8)
Last slave’s FSD pin is pulled high
Slave-slave cascade
NA
Not supported
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