TDA19978AHV Просмотр технического описания (PDF) - NXP Semiconductors.

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производитель

TDA19978AHV

Quad HDMI 1.3a receiver interface with equalizer (HDTV up to 1080p, up to UXGA for PC formats)

NXP Semiconductors. 

NXP Semiconductors

TDA19978A

Quad HDMI 1.3a receiver with digital processing

TDA19978A_3

Product data sheet

Table 3. Pin description …continued

Symbol

Pin Type[1] Description

VAI

96

O

video activity indication output (open-drain); warns the

external microprocessor that a special event has

occurred; must be connected to a pull-up resistor; 5 V

tolerant (active LOW)

SDA

97

I/O

I2C-bus serial data input/output

SCL

98

I

I2C-bus serial clock input

HSDAA

99

I/O

HDMI input/output A HDCP DDC-bus serial data

HSCLA

100 I

HDMI input A HDCP DDC-bus serial clock

HSDAB

101 I/O

HDMI input/output B HDCP DDC-bus serial data

HSCLB

102 I

HDMI input B HDCP DDC-bus serial clock

TEST0

VDDH(3V3)

VSSH

RRX1

103 I

104 P

105 G

106 I

reserved for test; connect to digital inputs ground (VSSC)

HDMI deep PLL supply voltage; 3.3 V

HDMI deep PLL ground

HDMI inputs A and B termination resistance control

VDDC(1V8)

VDDH(1V8)

VSSC

A0

107 P

108 P

109 G

110 I

digital core supply voltage; 1.8 V

HDMI receiver supply voltage; 1.8 V

digital core ground

I2C-bus address control input

VDDH(3V3)

RXBC+

111 P

112 I

HDMI receiver supply voltage; 3.3 V

HDMI input B positive clock channel

RXBC−

113 I

HDMI input B negative clock channel

VSSH

RXAC−

114 G

115 I

HDMI receiver ground

HDMI input A negative clock channel

RXAC+

116 I

HDMI input A positive clock channel

VDDH(3V3)

RXB0+

117 P

118 I

HDMI receiver supply voltage; 3.3 V

HDMI input B positive data channel 0

RXB0−

119 I

HDMI input B negative data channel 0

VSSH

RXA0−

120 G

121 I

HDMI receiver ground

HDMI input A negative data channel 0

RXA0+

122 I

HDMI input A positive data channel 0

VDDH(1V8)

RXB1+

123 P

124 I

HDMI receiver supply voltage; 1.8 V

HDMI input B positive data channel 1

RXB1−

125 I

HDMI input B negative data channel 1

VSSH

RXA1−

126 G

127 I

HDMI receiver ground

HDMI input A negative data channel 1

RXA1+

128 I

HDMI input A positive data channel 1

VDDH(3V3)

RXB2+

129 P

130 I

HDMI receiver supply voltage; 3.3 V

HDMI input B positive data channel 2

RXB2−

131 I

HDMI input B negative data channel 2

VSSH

RXA2−

132 G

133 I

HDMI receiver ground

HDMI input A negative data channel 2

RXA2+

134 I

HDMI input A positive data channel 2

All information provided in this document is subject to legal disclaimers.

Rev. 03 — 16 April 2010

© NXP B.V. 2010. All rights reserved.

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