TDA9983B_1 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 01 — 20 May 2008 6 of 119
NXP Semiconductors
TDA9983B
150 MHz pixel rate HDMI transmitter
AP4 7 I audio port 4 input; I
2
S-bus 3
AP3 8 I audio port 3 input; I
2
S-bus 2
AP2 9 I audio port 2 input; I
2
S-bus 1
AP1 10 I audio port 1 input; I
2
S-bus 0
AP0 11 I audio port 0 input; word select WS for I
2
S-bus
ACLK 12 I audio clock input; clock SCK for I
2
S-bus
V
DDD(3V3)
13 P supply voltage for input ports (3.3 V)
V
SSD
14 G ground for input ports
V
SSC
15 G ground for digital core
V
DDC(1V8)
16 P supply voltage for digital core (1.8 V)
INT 17 O 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
HPD 18 I hot plug detect input; 5 V tolerant
DDC_SDA 19 I/O DDC-bus data input/output (open drain); must be connected
to a pull-up resistor; 5 V tolerant
DDC_SCL 20 O DDC-bus clock output (open drain); must be connected to a
pull-up resistor; 5 V tolerant
TM 21 I internal test mode input (must be connected to the ground of
the digital core in normal operation)
V
SSA(FRO_3V3)
22 G analog ground for free running oscillator
V
DDA(FRO_3V3)
23 P analog supply voltage for free running oscillator (3.3 V)
EXT_SWING 24 I external swing adjust input; a fixed resistor must be
connected between this pin and V
DDH(3V3)
to set the HDMI
output swing (see
Section 8.14.1)
V
SSH
25 G ground for HDMI transmitter
TXC− 26 O negative clock channel for HDMI output
TXC+ 27 O positive clock channel for HDMI output
V
DDH(3V3)
28 P supply voltage for HDMI transmitter (3.3 V)
TX0− 29 O negative data channel 0 for HDMI output
TX0+ 30 O positive data channel 0 for HDMI output
V
SSH
31 G ground for HDMI transmitter
TX1− 32 O negative data channel 1 for HDMI output
TX1+ 33 O positive data channel 1 for HDMI output
V
DDH(3V3)
34 P supply voltage for HDMI transmitter (3.3 V)
TX2− 35 O negative data channel 2 for HDMI output
TX2+ 36 O positive data channel 2 for HDMI output
V
SSH
37 G ground for HDMI transmitter
V
DDA(PLL_3V3)
38 P analog supply voltage for PLL (3.3 V)
V
SSA(PLL_3V3)
39 G analog ground reference for PLL
A1 40 I I
2
C-bus slave address input 1; bit 1
A0 41 I I
2
C-bus slave address input 0; bit 0
RST_N 42 I hard reset input; active LOW
Table 4. Pin description
…continued
Symbol Pin Type
[1]
Description
