TDA9981B NXP Semiconductors, TDA9981B Datasheet - Page 6

• Manufacturer Part Number: TDA9981B
• Description: HDMI transmitter up to 150 MHz pixel rate
• Manufacturer: NXP Semiconductors

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NXP Semiconductors
TDA9981B_1
Product data sheet
Table 4.
Symbol
AP4
AP3
AP2
AP1
AP0
ACLK
V
V
V
V
INT
HPD
DDC_SDA
DDC_SCL
TM
V
V
EXT_SWING
V
TXC
TXC+
V
TX0
TX0+
V
TX1
TX1+
V
TX2
TX2+
V
V
V
A1
A0
RST_N
DDD(3V3)
SSD
SSC
DDC(1V8)
SSA(FRO_3V3)
DDA(FRO_3V3)
SSH
DDH(3V3)
SSH
DDH(3V3)
SSH
DDA(PLL_3V3)
SSA(PLL_3V3)
Pin description
Pin Type
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
I
I
I
I
I
I
P
G
G
P
O
I
I/O
O
I
G
P
I
G
O
O
P
O
O
G
O
O
P
O
O
G
P
G
I
I
I
Rev. 01 — 4 July 2008
[1]
…continued
Description
audio port 4 input; I
audio port 3 input; I
audio port 2 input; I
audio port 1 input; I
audio port 0 input; word select WS for I
audio clock input; clock SCK for I
supply voltage for input ports (3.3 V)
ground for input ports
ground for digital core
supply voltage for digital core (1.8 V)
interrupt output (open drain); warns the external microprocessor
that a special event has occurred; must be connected to a pull-up
resistor; 5 V tolerant
hot plug detect input; 5 V tolerant
DDC-bus data input/output (open drain); must be connected to a
pull-up resistor; 5 V tolerant
DDC-bus clock output (open drain); must be connected to a pull-up
resistor; 5 V tolerant
internal test mode input (must be connected to the ground of the
digital core in normal operation)
analog ground for free running oscillator
analog supply voltage for free running oscillator (3.3 V)
external swing adjust input; a fixed resistor must be connected
between this pin and pin V
(see
ground for HDMI transmitter
negative clock channel for HDMI output
positive clock channel for HDMI output
supply voltage for HDMI transmitter (3.3 V)
negative data channel 0 for HDMI output
positive data channel 0 for HDMI output
ground for HDMI transmitter
negative data channel 1 for HDMI output
positive data channel 1 for HDMI output
supply voltage for HDMI transmitter (3.3 V)
negative data channel 2 for HDMI output
positive data channel 2 for HDMI output
ground for HDMI transmitter
analog supply voltage for PLL (3.3 V)
analog ground reference for PLL
I
I
hard reset input; active LOW
2
2
C-bus slave address input 1; bit 1
C-bus slave address input 0; bit 0
Section
8.14.1)
2
2
2
2
S-bus port 3
S-bus port 2
S-bus port 1
S-bus port 0
150 MHz pixel rate HDMI transmitter
DDH(3V3)
2
S-bus
to set the HDMI output swing
2
S-bus
TDA9981B
© NXP B.V. 2008. All rights reserved.
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