參數(shù)資料
型號: TLV320AIC11I
廠商: Texas Instruments, Inc.
元件分類: Codec
英文描述: General-Purpose Low-Voltage 1.1V to 3.6V/0 16-bit 22-KSPS DSP CODEC
中文描述: 通用低電壓1.1V至3.6V的/ 0 16位22 kSPS的DSP的解碼器
文件頁數(shù): 23/55頁
文件大?。?/td> 263K
代理商: TLV320AIC11I
2–9
The TLV320AIC11 has three serial-interface modes that support most modern DSP engines. This modes can be
selected by M0 and M1. In mode 0 (Figure 2–9), FS is one-bit wide and it is active high one SCLK period before the
first bit (MSB) of each data transmission. In modes 1 (Figure 2–10) and 2 (Figure 2–11), the TLV320AIC11 operates
as a slave to interface with an SPI master in which FS is the SPISEL that determines the sampling rate. SCLK needs
to be free-running. In mode 3 (Figure 2–12), FS is low during data transmission into DIN and DOUT.
Table 2–1. Serial Interface Modes
MODE
M1
M0
FRAME SYNC (FS) FORMAT
0
0
0
Pulse mode
1
0
1
SPI_CP0 mode (SPI mode 0)
2
1
0
SPI_CP1 mode (SPI mode 1)
3
1
1
Frame mode
D0
16 SCLKs
… …
SCLK
FS
DIN/DOUT
(16-bit)
D1
MSB
LSB
D15
0
1
15
16
D14
… …
… …
14
Figure 2–9. Timing Diagram for the FS Pulse Mode (M1M0 = 00)
D0
16 SCLKs
… …
(SCLK)
(FS)
DIN/DOUT
(16-bit)
D1
MSB
LSB
D15
0
1
15
D14
… …
… …
14
SPICLK
SPISEL
Figure 2–10. Timing Diagram for the SPI_CP0 Mode (M1M0 = 01)
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