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LC-19A1E-BK/WH
5 – 18
2.7.2 Pin Connections and short description
Pin No.
Pin Name
I/O
Pin Function
CPU Interface
63
63
HWRESET
I
Hardware Reset; Active High.
64
A0
I
Serial Interface Address Input.
65
SCL
I
2-Wire serial bus clock input.
66
SDA
I/O
2-Wire serial bus data I/O.
68
INT
O
CPU Interrupt Programmable by user.
DVI/HDMI Interface
16
16
RX0N
I
Negative DVI/HDMI Input for data channel 0.
17
RX0P
I
Positive DVI/HDMI Input for data channel 0.
19
RX1N
I
Negative DVI/HDMI Input for data channel 1.
20
RX1P
I
Positive DVI/HDMI Input for data channel 1.
22
RX2N
I
Negative DVI/HDMI Input for data channel 2.
23
RX2P
I
Positive DVI/HDMI Input for data channel 2.
25
RXCKN
I
Negative DVI/HDMI Input for clock channel.
26
RXCKP
I
Positive DVI/HDMI Input for clock channel.
Misc. Interface
61
61
XOUT
O
Crystal Oscillator output.
62
XIN
I
Crystal Oscillator input
69
RPU1
-
Connected to 3.3V/5V with 10K
Ω resistor.
70
RPU2
-
Connected to 3.3V/5V with 10K
Ω resistor.
31
DDCSCL
I
HDCP slave serial bus clock input for DVI/HDMI
32
DDCSDA
I/O
HDCP slave serial bus data I/O for DVI/HDMI.
28
REXT
I
External resistor 390
Ω connected to AVDD_DVI
Output Interface
71-78, 83-90,
104-111
71-78, 83-90,
104-111
DATA[23:0]
O
Data output bit [23:0]; 4~12mA driving strength programmable by user
96
DATACK
O
Clock output A; 4~12mA driving strength programmable by user.
97
DE
O
Data enable output for DVI/HDMI interface; 4~12mA driving strength programmable by user.
98
HSOUT
O
HSYNC output; 4~12mA driving streegth programmable by user.
99
VSOUT
O
VSYNC output; 4~12mA driving strength programmable by user.
100
FIELD
O
Frame Indication output during interface input.
Audio Output Interface
120
120
AUSD
O
Audio serial data output bit; 4~12mA driving strength programmable by user.
121
AUSCK
O
Audio serial clock output; 4~12mA driving strength programmable by user.
122
AUWS
O
Audio serial word select output; 4~12mA driving strength programmable by user.
123
AUMUTE
O
Audio output mute control.
124
MCKO
O
Audio master clock output.
125
SPDIF
O
Audio SPDIF output; 4~12mA driving strength programmable by user.
Power Pins
60
60
AVDD_MPLL
-
Master PLL power supply.
3
AVDD_AUPLL
-
Audio PLL power supply
4, 10, 21, 27, 33, 39,
57
57
AVDD_DVI
-
DVI/HDMI power supply. (B3.3V)
30
AVDD_PLL
-
PLL power supply.
67, 81, 93, 101, 114,
126
126
VDDP
-
Digital output power supply (B3.3V)
95, 103, 116
VDDC
-
Digital core power supply (B2.5V)
2, 7, 13, 18, 24, 29,
34, 40, 58, 59, 82, 94,
102, 115, 127
34, 40, 58, 59, 82, 94,
102, 115, 127
GND
-
System ground.
No Connects
1, 5, 6, 8, 9, 11, 12,
14, 15, 35-38, 41-56,
79, 80, 91, 92, 112,
113, 117-119, 128
1, 5, 6, 8, 9, 11, 12,
14, 15, 35-38, 41-56,
79, 80, 91, 92, 112,
113, 117-119, 128
NC
-
No Connects, leave these pins floating.
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