Marantz PM7000N Service Manual page 30

PIN
5-V
NO. NAME I/O
TOLERANT
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
(1) Schmitt trigger input
(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
PCM9211 BLOCK DIAGRAM www.ti.com
BLOCK DIAGRAM
FILT
AUXIN 0
RXIN 0 RXIN0
RXIN 1 RXIN1
PLL
RXIN 2 RXIN2
RXIN 3 RXIN3
RXIN 4/ASCKI 0 RXIN4
RXIN 5/ABCKI 0 RXIN5 Clock/ Data
Recovery
RXIN 6/ALRCKI 0 RXIN6
RXIN 7/ADIN0 RXIN7
MPIO_ A0
RXIN8
Lock Detection
MPIO_ A1
RXIN9
MPIO_ A
MPIO_ A2
RXIN10
SELECTOR
MPIO_ A3
RXIN11 RECOUT 0
DITOUT RECOUT 1
ADC
VINL
ADC Mode
ADC
VINR Control
VCOM
Com. Supply
MPIO _C0
ADC Standalone
MPIO _C1
MPIO_ C
MPIO _C2
SELECTOR
AUXIN1
MPIO _C3
ADC Clock
(SCK /BCK/LRCK)
Divider
XTI
XTO OSC
XMCKO
(To MPIO _A & MPO0/1 )
XMCKO
Divider
MC /SCL
MDI /SDA Function DIR CS
2
SPI/I C Control ( 48-bit)
MDO /ADR 0 INTERFACE
MS/ADR 1
GPIO/GPO DIT CS
Data ( 48-bit)
RST
Reset
and Mode ADC DIR
MODE
Set
ANALOG ANALOG
VCCAD AGNDAD VCC
Copyright © 2010, Texas Instruments Incorporated
DESCRIPTION
PCM9211
SBAS495 – JUNE 2010
AUTO
RXIN7
DIR
DIR SCKO
DOUT
ADC MAIN BCK
OUTPUT
AUXIN0 LRCK
SCKO/ BCK/LRCK
PORT
AUXIN1 DOUT
Lock :DIR AUXIN2
Unlock:ADC
AUTO
DIR
ADC
DIT
AUXIN0
AUXIN1
AUXIN2
RECOUT0
MPO 0
RECOUT1 MPO0/1
SELECTOR MPO 1
DITOUT
AUTO
MPIO_B0
DIR
ADC MPIO_B1
AUXOUT MPIO _B
MPIO_B2
AUXIN0
SELECTOR
AUXIN 2
MPIO_B3
AUXIN1
SBCK /SLRCK
Secondary BCK / LRCK
( to MPIO_A )
Divider
Selector
EXTRA DIR FUNCTIONS
REGISTER ERROR /INT0
DIR DIR
ERROR DETECTION NPCM /INT1
P and P f Calculator
C D S Non-PCM DETECTION
f Calculator
S
MPIO_ A
All Port Flags
DIR Interrupt
f Calculator
S MPIO_ B
DTS-CD/LD Detection
Validity Flag
MPIO_ C
User Data
MPO0
POWER SUPPLY
Channel Status Data
MPO1
BFRAME Detection
DIR
ALL
Interrupt System
ANALOG
AGND VDDRX GNDRX DVDD DGND
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LC89091JA (DIGITAL : IC108)
PIN Functions
*Pin.2 and Pin 6 configure an open-drain output.
*Pin.2 needs a pull-up resistor when using microcontroller interface.
*Pin.6 needs a pull-up resistor when set to the output.
30
Table 5.1: Pin Functions