TDA9981B NXP Semiconductors, TDA9981B Datasheet - Page 4

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

Fig 1.
(1) Block can be bypassed.
VSYNC/VREF
HSYNC/HREF
AP7 to AP0
DE/FREF
VPC[7:0]
VPA[7:0]
VPB[7:0]
Block diagram
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ACLK
VCLK
HPD
18
4 to 11
12
68 to 70,
75 to 79
57 and 58,
61 to 65,
67
49 to 56
2
1
80
66
MANAGEMENT
INFORMATION
PROCESSING
FRAMES AND
PROCESSOR
PACKETS
AUDIO
VIDEO
INPUT
HPD
ITU656 or ITU656-like
YCbCr 4 : 2 : 2
V
SSD
14, 47,
72
PACKET
ISLAND
RST_N
RESET
HARD
DATA
42
YCbCr 4 : 4 : 4
V
V
PP
3
SSC
3
VIDEO PROCESSING
RGB
15, 60,
73
UPSAMPLING
8-bit
or 1
V
4 : 4 : 4
2
DDD(3V3)
4 : 2 : 2
FROM
TO
12-bit
13, 48,
71
12-bit
(1)
V
V
DDC(1V8)
SSA(FRO_3V3)
16, 45,
59, 74
V
DDA( FRO_3V3)
22
23
V
YCbCr
DDH(3V3)
V
CONVERTER
RGB TO YUV
YUV TO RGB
SSA(PLL_3V3)
(4 : 4 : 4)
28, 34
COLOR
SPACE
V
DDA(PLL_3V3)
39
(1)
38
I2C_SCL
V
SSH
DOWNSAMPLING
43
25, 31,
37
4 : 2 : 2
4 : 4 : 4
FROM
I2C_SDA
TO
V
(1)
44
SSA(PLL_1V8)
46
I
A0
2
SLAVE
C-BUS
41
A1
40
TM
21
GENERATION
TDA9981B
SERIALIZER
EXT_SWING
DDC-BUS
HDMI
IRQ
24
20
19
17
27
26
30
29
33
32
36
35
001aai221
DDC_SCL
DDC_SDA
INT
TXC+
TXC
TX0+
TX0
TX1+
TX1
TX2+
TX2