参数资料
型号: TAS3103DBTRG4
厂商: TEXAS INSTRUMENTS INC
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PDSO38
封装: GREEN, PLASTIC, TSSOP-38
文件页数: 78/148页
文件大小: 1247K
代理商: TAS3103DBTRG4
24
A 16-bit field contained in the 32-bit word located at I2C subaddress 0xF9 configures both the input and output serial
audio ports. Figure 24 illustrates the format of this 16-bit field. The data is shown in the transmitted I2C protocol
format, and thus, in addition to the data, the start bit S, the slave address, the subaddress, and the acknowledges
required by every byte are also shown.
0xF9
DWFMT (Data Word Format)
Ack
IOM
Ack
OW[2:0]
15
IW[2:0]
0
AB
14
13
11 10
8
7
DWFMT
8
15
Ack
xxxxxxxx
Ack
Sub-Addr
Ack
Slave Addr
S
24
31
OM[3:0]
IM[3:0]
74
3
0
xxxxxxxx
Ack
16
23
Output
Port
Format
Input
Port
Format
Output Port
TDM Alignment
Input Port
Word
Size
Output Port
Word
Size
Figure 24. SAP Configuration Subaddress Fields
Commands to reconfigure the SAP cannot be issued as standalone commands, but must accompany mute and
unmute commands. The reason for this is that an SAP configuration change while a volume or bass or treble update
is taking place can cause the update to not properly be completed. Figure 25 shows the recommended procedure
for issuing SAP configuration update commands.
After a reset, ensure that 0xF9 is written before volume, treble, or bass.
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