Harman Kardon AVR 151S (serv.man2) Service Manual ▷ View online
ADI Confidential
ADV7623
Rev. Sp0 | Page 11 of 16
Pin No.
Mnemonic
Type
Description
56 TX2−
HDMI
output Differential Output Channel 2 Complement. Differential output of the red data at 10×
the pixel clock rate; supports TMDS logic level.
57 TX2+
HDMI
output Differential Output Channel 2 True. Differential output of the red data at 10× the pixel
clock rate; supports TMDS logic level.
58 TXGND Ground
TXAVDD
Ground.
59
CEC
Digital I/O
Consumer Electronics Control Channel (5 V Tolerant).
60 DGND Ground
DVDD
Ground.
61
DVDD
Power
Digital Supply Voltage (1.8 V).
62
ALSB
Digital input
This pin is used to set the I
2
C address of the Rx IO and the Tx main map.
63
CS
Digital input
Chip Select Pin. This pin must be set low or left floating for the chip to process I
2
C messages
that are destined for the ADV7623. The ADV7623 ignores I
2
C messages that it receives if
this pin is high.
64
EP_SCK
Digital output
SPI Clock Interface for the EDID/OSD.
65
EP_CS
Digital output
SPI Chip Selected Interface for the EDID/OSD.
66
EP_MOSI
Digital output
SPI Master Out/Slave In for the EDID/OSD.
67
EP_MISO
Digital input
SPI Master In/Slave Out for the EDID/OSD.
68 MCLK_IN
Digital
input Audio Reference Clock. 128 × N × f
S
with N = 1, 2, 3, or 4. Set to 128 × sampling frequency (f
S
),
256 × f
S
, 384 × f
S
, or 512 × f
S
. It supports CMOS logic levels from 1.8 V to 3.3 V.
69 SCLK_IN Digital
input I
2
S Audio Clock. It supports CMOS logic levels from 1.8 V to 3.3 V.
70
AP5_IN
Digital input
Audio Input Port 5. It supports CMOS logic levels from 1.8 V to 3.3 V.
71
AP4_IN
Digital input
Audio Input Port 4. It supports CMOS logic levels from 1.8 V to 3.3 V.
72 DGNDIO Ground
DVDDIO
Ground.
73
DVDDIO
Power
Digital I/O Supply Voltage (3.3 V).
74
AP3_IN
Digital input
Audio Input Port 3. It supports CMOS logic levels from 1.8 V to 3.3 V.
75
AP2_IN
Digital input
Audio Input Port 2. It supports CMOS logic levels from 1.8 V to 3.3 V.
76
AP1_IN
Digital input
Audio Input Port 1. It supports CMOS logic levels from 1.8 V to 3.3 V.
77
AP0_IN
Digital input
Audio Input Port 0. It supports CMOS logic levels from 1.8 V to 3.3 V.
78 SDATA Digital
I/O I
2
C Port Serial Data Input/Output Pin. SDATA is the data line for the control port.
79 SCL
Digital
input I
2
C Port Serial Clock Input. SCL is the clock line for the control port.
80 DGND Ground
DVDD
Ground.
81
DVDD
Power
Digital Supply Voltage (1.8 V).
82
INT1
(AMUTE1)
(AMUTE1)
Digital output
Interrupt Pin. This pin can be active low or active high. When status bits change, this pin is
triggered. The events that trigger an interrupt are under user control. This pin can also output
an audio mute signal.
triggered. The events that trigger an interrupt are under user control. This pin can also output
an audio mute signal.
83
INT2
(AMUTE2)
(AMUTE2)
Digital output
Interrupt Pin. This pin can be active low or active high. When status bits change, this pin is
triggered. The events that trigger an interrupt are under user control. This pin can also output
an audio mute signal.
triggered. The events that trigger an interrupt are under user control. This pin can also output
an audio mute signal.
84
INT_TX
Digital output
Interrupt; Open Drain. A 2 kΩ pull-up resistor to the microcontroller I/O supply is recommended.
85 DGNDIO
Ground
DVDDIO
Ground.
86
DVDDIO
Power
Digital I/O Supply Voltage (3.3 V).
87
AP0_OUT
Digital output
Audio Output Port 0.
88
AP1_OUT
Digital output
Audio Output Port 1.
89
AP2_OUT
Digital output
Audio Output Port 2.
90
AP3_OUT
Digital output
Audio Output Port 3.
91
AP4_OUT
Digital output
Audio Output Port 4.
92
DGND
Ground
DVDD Ground.
93
DVDD
Power
Digital Supply Voltage (1.8 V).
94
AP5_OUT
Digital output
Audio Output Port 5.
95 SCLK_OUT
Digital
output
Audio Serial Clock Output.
96
MCLK_OUT
Digital output
Audio Master Clock Output.
97
RESET
Digital input
System Reset Input. Active low. A minimum low reset pulse width of 5 ms is required to reset
the ADV7623 circuitry.
the ADV7623 circuitry.
98
PWRDN
Digital input
Active Low Power-Down Pin. If used, this pin should be pulled high to power up the
ADV7623. This pin can also be used as an in system power detect where internal EDID can
be powered from a 5 V signal of the HDMI port when it is connected to active equipment.
ADV7623. This pin can also be used as an in system power detect where internal EDID can
be powered from a 5 V signal of the HDMI port when it is connected to active equipment.
Anam Electronics
March 18, 2010
ADI Confidential
Harman Kardon
AVR151, AVR151S
Service Manual
Service Manual
Page 73 of 131
ADV7623
ADI Confidential
Rev. Sp0 | Page 12 of 16
Pin No.
Mnemonic
Type
Description
99 PGND Ground
PVDD
Ground.
100
PVDD
Power
PLL Supply Voltage (1.8 V).
101 XTAL
Miscellaneous
analog
analog
Input pin for 28.63636 MHz crystal or an external 1.8 V 28.63636 MHz clock oscillator source to
clock the ADV7623.
clock the ADV7623.
102 XTAL1
Miscellaneous
analog
analog
Crystal Output Pin. This pin should be left floating if a clock oscillator is used.
103
PVDD
Power
PLL Supply Voltage (1.8 V).
104 PGND
Ground
PVDD
Ground.
105
HP_CTRLA
Digital output
Hot Plug Detect for Port A.
106
5V_DETA
Digital input
5 V Detect Pin for Port A in the HDMI Interface.
107 RTERM Miscellaneous
analog
This pin sets the internal termination resistance. A 500 Ω resistor between this pin and
ground should be used.
ground should be used.
108
DDCA_SDA
Digital I/O
HDCP Slave Serial Data Port A. DDCA_SDA is a 3.3 V input/output that is 5 V tolerant.
109
DDCA_SCL
Digital input
HDCP Slave Serial Clock Port A. DDCA_SCL is a 3.3 V input that is 5 V tolerant.
110
CVDD
Power
Receiver Comparator Supply Voltage (1.8 V).
111
CGND
Ground
TVDD and CVDD Ground.
112
RXA_C−
HDMI input
Digital Input Clock Complement of Port A in the HDMI Interface.
113
RXA_C+
HDMI input
Digital Input Clock True of Port A in the HDMI Interface.
114
TVDD
Power
Receiver Terminator Supply Voltage (3.3 V).
115
RXA_0−
HDMI input
Digital Input Channel 0 Complement of Port A in the HDMI Interface.
116
RXA_0+
HDMI input
Digital Input Channel 0 True of Port A in the HDMI Interface.
117
CGND
Ground
TVDD and CVDD Ground.
118
RXA_1−
HDMI input
Digital Input Channel 1 Complement of Port A in the HDMI Interface.
119
RXA_1+
HDMI input
Digital Input Channel 1 True of Port A in the HDMI Interface.
120
TVDD
Power
Receiver Terminator Supply Voltage (3.3 V).
121
RXA_2−
HDMI input
Digital Input Channel 2 Complement of Port A in the HDMI Interface.
122
RXA_2+
HDMI input
Digital Input Channel 2 True of Port A in the HDMI Interface.
123
HP_CTRLB
Digital output
Hot Plug Detect for Port B.
124
5V_DETB
Digital input
5 V Detect Pin for Port B in the HDMI Interface.
125 DGND
Ground
DVDD
Ground.
126
DVDD
Power
Digital Supply Voltage (1.8 V).
127
DDCB_SDA
Digital I/O
HDCP Slave Serial Data Port B. DDCB_SDA is a 3.3 V input/output that is 5 V tolerant.
128
DDCB_SCL
Digital input
HDCP Slave Serial Clock Port B. DDCB_SCL is a 3.3 V input that is 5 V tolerant.
129
CVDD
Power
Receiver Comparator Supply Voltage (1.8 V).
130
CGND
Ground
TVDD and CVDD Ground.
131
RXB_C−
HDMI input
Digital Input Clock Complement of Port B in the HDMI Interface.
132
RXB_C+
HDMI input
Digital Input Clock True of Port B in the HDMI Interface.
133
TVDD
Power
Receiver Terminator Supply Voltage (3.3 V).
134
RXB_0−
HDMI input
Digital Input Channel 0 Complement of Port B in the HDMI Interface.
135
RXB_0+
HDMI input
Digital Input Channel 0 True of Port B in the HDMI Interface.
136
CGND
Ground
TVDD and CVDD Ground.
137
RXB_1−
HDMI input
Digital Input Channel 1 Complement of Port B in the HDMI Interface.
138
RXB_1+
HDMI input
Digital Input Channel 1 True of Port B in the HDMI Interface.
139
TVDD
Power
Receiver Terminator Supply Voltage (3.3 V).
140
RXB_2−
HDMI input
Digital Input Channel 2 Complement of Port B in the HDMI Interface.
141
RXB_2+
HDMI input
Digital Input Channel 2 True of Port B in the HDMI Interface.
142
HP_CTRLC
Digital output
Hot Plug Detect for Port C.
143
5V_DETC
Digital input
5 V Detect Pin for Port C in the HDMI Interface.
144
DDCC_SDA
Digital I/O
HDCP Slave Serial Data Port C. DDCC_SDA is a 3.3 V input/output that is 5 V tolerant.
Anam Electronics
March 18, 2010
ADI Confidential
Harman Kardon
AVR151, AVR151S
Service Manual
Service Manual
Page 74 of 131
Harman Kardon
AVR151, AVR151S
Service Manual
Service Manual
Page 75 of 131
Harman Kardon
AVR151, AVR151S
Service Manual
Service Manual
Page 76 of 131
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