參數(shù)資料
型號(hào): PCM3060PWR
元件分類: Codec
英文描述: 24-BIT, 96/192-kHz ASYNCHRONOUS STEREO AUDIO CODEC
中文描述: 24位96/192-kHz異步立體聲音頻編解碼
文件頁(yè)數(shù): 25/45頁(yè)
文件大?。?/td> 394K
代理商: PCM3060PWR
www.ti.com
Register Write Operation
MSB
0
IDX6
IDX5
IDX4
IDX3
IDX2
IDX1
IDX0
D7
D6
D5
D4
D3
D2
D1
D0
LSB
Register Index (or Address)
Register Data
R0001-01
IDX0
D7
D6
D4
D5
D3
D2
D1
D0
0
MS
MC
MD
X
0
IDX6
X
IDX1
IDX2
IDX3
IDX4
IDX5
IDX6
X
T0048-01
PCM3060
SLAS533–MARCH 2007
All single-write operations via the serial control port use 16-bit data words.
Figure 28
shows the control data
word format. The most significant bit must be a 0. There are seven bits, labeled IDX[6:0], that set the register
index (address) for the write operation. The least significant eight bits, D[7:0], contain the data to be written to
the register specified by IDX[6:0].
Figure 29
shows the functional timing diagram for single-write operations on the serial control port. MS is held in
the High state until a register is to be written. To start the register write cycle, MS is set to the Low state. Sixteen
clocks are then provided on MC, corresponding to the 16 bits of the control data word on MD. After the sixteenth
clock cycle has completed, MS is set to High to latch the data into the indexed mode control register.
The PCM3060 supports the multiple-write operation in addition to the single-write operation. Multiple write is
performed by sending N-sets of 8-bit register data after the first 16 bits of register address and register data,
while keeping the MC clock and MS in the Low state. Closing the multiple-write operation is done by setting MS
to the High state.
Figure 28. Control Data Word Format for MD
Figure 29. Register Write Operation
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