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参数资料
型号： PCM9211PT
厂商： TEXAS INSTRUMENTS INC
元件分类： 网络接口
英文描述： DATACOM, TOKEN RING TRANSCEIVER, PQFP48
封装： GREEN, PLASTIC, LQFP-48
文件页数： 100/121页
文件大小： 1219K
代理商： PCM9211PT
PCM9211
SBAS495 – JUNE 2010
www.ti.com
PIN FUNCTIONS (continued)
PIN
5-V
NO.
NAME
I/O
TOLERANT
DESCRIPTION
16
MPO1
O
No
Multipurpose output 1
17
DOUT
O
No
Main output port, serial digital audio data output
18
LRCK
O
No
Main output port, LR clock output
19
BCK
O
No
Main output port, Bit clock output
20
SCKO
O
No
Main output port, System clock output
21
DGND
–
Ground, for digital
22
DVDD
–
Power supply, 3.3 V (typ.), for digital
23
MDO/ADR0
I/O
Yes
Software control I/F, SPI data output / I2C slave address setting0(2)
24
MDI/SDA
I/O
Yes
Software control I/F, SPI data input / I2C data input/output(2)(3)
25
MC/SCL
I
Yes
Software control I/F, SPI clock input / I2C clock input(2)
26
MS/ADR1
I
Yes
Software control I/F, SPI chip select / I2C slave address setting1(2)
27
MODE
I
No
Control mode setting, (see the Serial Control Mode section, Control Mode Pin Setting)
28
RXIN7/ADIN0
I
Yes
Biphase signal, input 7 / AUXIN0, serial audio data input(2)
29
RXIN6/ALRCKI0
I
Yes
Biphase signal, input 6 / AUXIN0, LR clock input(2)
30
RXIN5/ABCKI0
I
Yes
Biphase signal, input 5 / AUXIN0, bit clock input(2)
31
RXIN4/ASCKI0
I
Yes
Biphase signal, input 4 / AUXIN0, system clock input(2)
32
RXIN3
I
Yes
Biphase signal, input 3(2)
33
RXIN2
I
Yes
Biphase signal, input 2(2)
34
RST
I
Yes
Reset Input, active low(2)(4)
35
RXIN1
I
Yes
Biphase signal, input 1, built-in coaxial amplifier
36
VDDRX
–
Power supply, 3.3 V (typ.), for RXIN0 and RXIN1.
37
RXIN0
I
Yes
Biphase signal, input 0, built-in coaxial amplifier
38
GNDRX
-
Ground, for RXIN
39
XTI
I
No
Oscillation circuit input for crystal resonator or external XTI clock source input(5)
40
XTO
O
No
Oscillation circuit output for crystal resonator
41
AGND
–
Ground, for PLL analog
42
VCC
–
Power supply, 3.3 V (typ.), for PLL analog
43
FILT
O
No
External PLL loop filter connection terminal; must connect recommended filter
44
VCOM
O
No
ADC common voltage output; must connect external decoupling capacitor
45
AGNDAD
–
Ground, for ADC analog
46
VCCAD
–
Power supply, 5.0 V (typ.), for ADC analog
47
VINL
I
No
ADC analog voltage input, left channel
48
VINR
I
No
ADC analog voltage input, right channel
(2)
Schmitt trigger input
(3)
Open-drain configuration in I2C mode
(4)
Onboard pull-down resistor (50 k
Ω, typical)
(5)
CMOS Schmitt trigger input
8
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Copyright 2010, Texas Instruments Incorporated
Product Folder Link(s): PCM9211
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