参数资料
型号: TAS3001CPW
厂商: TEXAS INSTRUMENTS INC
元件分类: 音频控制
英文描述: 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDSO28
封装: GREEN, PLASTIC, TSSOP-28
文件页数: 42/55页
文件大小: 432K
代理商: TAS3001CPW
A2
A.1 Main Control Register (MCR)
Configuration of the digital serial audio interface is set up through the main control register as shown in Table A2
and Table A3. Bits F0 and F1 allow selection between three different serial data formats (left justified = 00, right
justified = 01, and I2S standard = 10). The output serial port mode set by E0 and E1 must be set to the same value
as the input serial port mode set by F0 and F1. Bits W0 and W1 allow selection between three different word widths
(16-bit word = 00, 18-bit word = 01, and 20-bit word = 10). The SC bit selects 32fs (0) or 64fs (1) bit clock. The FL
bit is primarily for use during initialization and is defined in Device Initialization (see Section 5.1). See Section 3, Serial
Control Interface, for additional information on how to address the main control register.
Table A2. Main Control Register (MCR)
C7
C6
C5
C4
C3
C2
C1
C0
FL
SC
E1
E0
F1
F0
W1
W0
1
x
Table A3. Main Control Register (MCR) Description
BIT
DESCRIPTOR
FUNCTION
VALUE
FUNCTION
C(7)
FL
Fast load
0
Normal operating mode
C(7)
FL
Fast load
1 (default)
Fast load mode
C(6)
SC
SCLK frequency
0
SCLK = 32
× fs
C(6)
SC
SCLK frequency
1
SCLK = 64
× fs
C(5,4)
E(1,0)
Output serial port mode
00
Left justified
C(5,4)
E(1,0)
Output serial port mode
01
Right justified
10
I2S
11
Reserved
C(3,2)
F(1,0)
Input serial port mode
00
Left justified
C(3,2)
F(1,0)
Input serial port mode
01
Right justified
10
I2S
11
Reserved
C(1,0)
W(1,0)
Serial port word length
00
16 bit
C(1,0)
W(1,0)
Serial port word length
01
18 bit
10
20 bit
11
Reserved
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