IT6801FN 
Single-port MHL2.1/HDMI1.4 Receiver with 3D Support 
ITE confidential for Zhongxinwei use only
ITE TECH. INC. 
 
 
 
 
www.ite.com.tw 
 
 
T8720F V0.7.1 
 
 
Jul-2015 Rev:0.96a      1/44 
 
 
 
IT6801FN 
 
 
General Description 
provided to support up to compressed audio of 192kHz frame rate.   
The IT6801FN is a single-port HDMI receiver which can operate in both HDMI1.4 and MHL2.1 dual 
mode, it is fully compatible with MHL2.1, HDMI 1.4b, HDMI 1.4b 3D and HDCP 1.4 and also backward 
compatible to DVI 1.0 specifications. The IT6801FN with its Deep Color capability (up to 36-bit) 
ensures robust reception of high-quality uncompressed video content. The IT6801FN also supports all 
the primary 3D formats which are compliant with the HDMI 1.4b 3D specification. 
Each IT6801FN comes preprogrammed with an unique HDCP key, in compliance with the HDCP 1.4 
standard so as to provide secure transmission of high-definition content. Users of the IT6801FN need 
Aside from the various video output formats supported, the IT6801FN also receives and provides up to 
4 channels of I2S digital audio outputs, with sampling rate up to 192kHz and sample size up to 24 bits, 
facilitating direct connection to industry-standard low-cost audio DACs. Also, an S/PDIF output is 
  Input channel swap ITE confidential for Zhongxinwei use only
  Supporting 3D video up to 1080P@50/59.95/60/120Hz, 1080P@23.98/24/29.97/30Hz, 
  Supporting formats: Framing Packing, Side-by-Side (half), Top-and-Bottom. 
1080i@50/59.94/60/Hz, 720P@23.98/24/29.97/30Hz, 720P@50/59.94/60Hz 
solution. And up to 1080p@60hz on MHL packed pixel mode. 
  8-bit YCbCr 4:2:2 (ITU BT-656) 
  24-bit RGB/YCbCr 4:4:4 
  16-bit YCbCr 4:2:2 
and falling edges) 
  Single-port MHL2.1/HDMI 1.4b receiver. 
  Support MHL2.1, HDMI1.4b dual mode input.   
  MHL/HDMI mode auto detection.   
  Compliant with MHL2.1, HDMI 1.4b, HDMI 1.4b 3D, HDCP 1.4 and DVI 1.0 specifications 
  Supporting link speeds of up to 3.0Gbps (link clock rate of 300MHz) for 4K2K or 1080p@120hz 
  Supporting all the primary 3D formats which are compliant with the HDMI 1.4b 3D specification. 
  24-bit double data rate interface (full bus width, pixel clock rate halved, clocked with both rising 
  Video output interface supporting digital video standards such as: 
 
 
 
 
not purchase any HDCP keys or ROMs. 
Features 
  MHL RCP command to HDMI CEC interactive translation. 
 
 
www.ite.com.tw 
 
 
T8720F V0.7.1 
 
 
Jul-2015 Rev:0.96a      2/44 
 
 
 
IT6801FN 
 
programmable coefficients. 
  Auto-calibrated input termination impedance provides process-, voltage- and temperature-invariant 
sample sizes of 16~24 bits 
  S/PDIF interface supporting PCM, Dolby Digital, DTS digital audio at up to 192kHz frame rate 
  automatic audio error detection for programmable soft mute, preventing annoying harsh output 
sound due to audio error or hot-unplug 
matching to the input transmission lines. 
  Integrated programmable EDID RAM 
  76-pin QFN (9mm x 9mm) package 
  Digital audio output interface supporting 
  Integrated pre-programmed HDCP keys 
  RoHS Compliant ( 100% Green available ) 
  Intelligent, programmable power management 
  Dithering for conversion from 12-bit component to 8-bit 
  Up/down sampling between YCbCr 4:4:4 and YCbCr 4:2:2 
 
  Bi-direction Color Space Conversion (CSC) between RGB and YCbCr color spaces with 
  up to two I2S interface supporting 4-channel audio, with sample rates of 32~192 kHz and 
ITE confidential for Zhongxinwei use only
Ordering Information 
Model 
Temperature Range 
Package Type 
Green/Pb free Option 
IT6801FN 
-20~70 
76-pin QFN   
  Green 
 
 
 
 
 
 
www.ite.com.tw 
 
T8720F V0.7.1 
 
 
Jul-2015 Rev:0.96a      3/44 
 
 
IT6801FN 
 
 
 
40
41
47
19
18
17
16
15
44
45
46
I2S0
42
14
PCSCL
XTALIN
39
IVDD12
43
38
37
36
35
34
33
32
IVDD12
3
3
C
C
V
P
31
30
29
28
27
26
25
24
23
22
21
20
2
1
C
C
V
P
3
3
C
C
V
A
3
3
C
C
V
A
3
3
C
C
V
A
2
1
C
C
V
A
2
1
D
D
V
D
3
3
D
D
V
O
P
2
X
R
_
0
P
P
0
X
R
_
0
P
P
1
X
R
_
0
P
N
0
X
R
_
0
P
N
2
X
R
_
0
P
N
1
X
R
_
0
P
P
C
X
R
_
0
P
2
1
D
D
V
P
A
APVCC33
T
U
O
L
A
T
X
N
C
X
R
_
0
P
I2S1_3DR
DDCSCL0
SYSRSTN
DDCSDA0
CDSENSE
R0PWR5V
WS_SPDIF
/
D
P
H
S
U
B
C
SCK_MCLK
MUTE_MCLK
Pin Diagram 
IT6801
ITE confidential for Zhongxinwei use only
MHL/HDMI RX
 QFN-76 9x9
(Top View)
Note:   
1.  Pins marked with NC should be left unconnected. 
 
Figure 1. IT6801FN pin diagram 
INT#_CEC
9
8
7
6
5
4
3
2
1
IVDD12
48
ENVBUS#
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
I
V
D
D
1
2
I
V
D
D
1
2
QE34
52
IVDD12
HSYNC
PCADR
53
54
55
56
57
13
PCSDA
10
VSYNC
O
V
D
D
O
V
D
D
O
V
D
D
49
50
51
OVDD
OVDD
OVDD
P
C
L
K
Q
E
1
6
Q
E
1
7
QE4
QE5
QE6
QE7
QE8
QE33
QE32
Q
E
2
0
Q
E
1
9
Q
E
1
8
Q
E
2
9
Q
E
2
8
Q
E
2
3
Q
E
2
2
Q
E
2
1
QE31
QE30
QE35
Q
E
1
1
Q
E
1
0
Q
E
9
12
11
DE
 
 
 
 
www.ite.com.tw 
 
 
T8720F V0.7.1 
 
 
Jul-2015 Rev:0.96a      4/44 
 
 
 
LVTTL 
1-5, 51-54, 56-62, 
65-69, 72-74 
 
 
XTALIN 
Input 
Type 
Pin No. 
IT6801FN 
 
 
QE[35:28] 
Output 
Digital Video Output Pins 
Digital Audio Output Pins 
DE 
HSYNC 
VSYNC 
Pin Description 
Pin Name 
XTALOUT 
Pin Name 
QE[23:16] 
QE[11:4] 
PCLK 
75 
Type 
LVTTL 
Output 
Pin No. 
LVTTL 
LVTTL 
LVTTL 
8 
9 
10 
Direction  Description 
Direction  Description 
Output 
Vertical sync. signal 
Output 
Horizontal sync. signal 
Output 
Data enable 
Crystal clock input (for Audio PLL) 
supported through register setting. 
Digital Video Output Pins. Channel swap are 
Output  Crystal clock output (for Audio PLL) 
use the rising edge of PCLK to strobe QE Data. 
Output data clock. The backend controller should 
ITE confidential for Zhongxinwei use only
Interrupt output. Default active-low (5V-tolerant), doubles as CEC 
Serial Programming device address select. Device address is 
Serial Programming Clock for chip programming (5V-tolerant) 
I2S serial clock output, doubles as audio master clock output 
Serial Programming Data for chip programming (5V-tolerant) 
I2S serial data output, doubles as doubles as 3D R/L signal 
In MHL mode this pin is the Control Bus signal. The CBUS 
I2S word select output, doubles as S/PDIF audio output 
This pin is used to detect MHL connection (5V-tolerant) 
TMDS transmitter detection for Port 0(5V-tolerant) 
0x90 when PCADR is pulled low, 0x92 otherwise 
DDC I2C Clock for HDMI Port 0 (5V-tolerant) 
Audio master clock, doubles as Mute output 
DDC I2C Data for HDMI Port 0 (5V-tolerant) 
Hardware reset pin. Active LOW   
Output 
I2S serial data output 
function I/O (5V-tolerant)   
Direction  Description 
I/O 
I/O 
Schmitt 
Schmitt 
Schmitt 
LVTTL 
LVTTL 
LVTTL 
LVTTL 
Schmitt 
LVTTL 
LVTTL 
LVTTL 
Schmitt 
Output 
Input 
I/O 
Input 
LVTTL 
LVTTL 
LVTTL 
LVTTL 
MCLK_MUTE 
Output 
SCK_MCLK 
Output 
WS_SPDIF 
Output 
CDSENSE 
Input 
CBUS/HPD 
I/O 
Programming Pins 
Pin Name 
INT#_CEC 
Output 
I2S0 
I2S1_3DR 
SYSRSTN 
Input 
R0PWR5V 
Input 
DDCSCL0 
DDCSDA0 
PCSCL 
PCSDA 
PCADR 
Type 
Pin No. 
LVTTL 
12 
39 
38 
41 
46 
45 
42 
44 
47 
17 
16 
18 
14 
13 
49 
19 
21 
 
 
www.ite.com.tw 
 
 
T8720F V0.7.1 
 
 
Jul-2015 Rev:0.96a      5/44 
 
IT6801FN 
 
 
LVTTL 
11 
Type 
Pin No. 
34 
33 
32 
31 
29 
28 
27 
26 
TMDS 
Pin Name 
 
 
 
signal is 1.8V.   
TMDS 
TMDS 
TMDS 
TMDS 
ENVBUS# 
Output 
TMDS 
TMDS 
TMDS 
P0_RX0P 
Analog 
P0_RX1P 
Analog 
Pin Name 
Description 
P0_RX2P 
Analog 
P0_RX0N 
Analog 
P0_RX1N 
Analog 
P0_RX2N 
Analog 
P0_RXCP 
Analog 
P0_RXCN 
Analog 
Direction  Description 
Power/Ground Pins 
HDMI Channel 1 positive input for HDMI Port 0 
HDMI Channel 2 positive input for HDMI Port 0 
HDMI Channel 1 negative input for HDMI Port 0 
HDMI Channel 2 negative input for HDMI Port 0 
HDMI Clock Channel positive input for HDMI Port 0 
HDMI analog front-end interface pins 
HDMI Clock Channel negative input for HDMI Port 0 
In HDMI mode this pin serves as the HPD out signal 
HDMI Channel 0 positive input for MHL/HDMI Port 0 
HDMI Channel 0 negative input for MHL/HDMI Port 0 
Power supply control output in MHL mode (5V-tolerant) 
  ITE confidential for Zhongxinwei use only
MHL/HDMI PLL and analog frontend power (3.3V) 
Exposed Pad  Analog, Digital, I/O Ground Plane   
MHL/HDMI analog frontend power (3.3V) 
MHL/HDMI analog frontend power (1.2V) 
MHL/HDMI receiver PLL power (1.2V) 
MHL/HDMI AFE digital power (1.2V) 
MHL/HDMI audio PLL power (1.2V) 
MHL/HDMI PLL power (3.3V) 
I/O Pin power (3.3V or 1.8V) 
3/5V I/O Pin power (3.3V) 
Digital logic power (1.2V) 
23 
36 
37 
77 
Power 
Power 
Power 
Power 
Power 
Power 
Power 
Digital logic ground 
  40 
24 
22,   
IVSS 
OVDD 
Power 
Ground 
AVCC12 
PVCC12 
Ground 
Plane 
77 
20 
77 
OVSS 
I/O Pin ground 
Type 
Pin No. 
DVDD12 
APVDD12 
AVCC33 
APVCC33 
PVCC33 
 
 
 
 
 
IVDD12 
OVDD33 
Power 
7, 15, 43, 48, 64, 71   
Ground 
Power 
6, 50, 55, 63, 70, 76 
25, 30, 35   
 
 
www.ite.com.tw 
 
 
T8720F V0.7.1 
 
 
Jul-2015 Rev:0.96a      6/44 
 
IT6801FN 
 
 
digital audio. The IT6801FN with its HDMI input port supports color depths of 10 bits and 12 bits up to 
Advanced processing algorithms are employed to optimize the performance of video processing such 
INT#
CEC
 
 
 
 
 
 
 
DDCSCL0
DDCSDA0
I2C Slave
(DDC)
HDCP key
Config.
Register Blocks
CDSENSE
R0PWR5V PCSCL/SDA
ENVBUS#
XTALIN/OUT
The IT6801FN is the 4th generation MHL/HDMI receiver and provides complete solutions for HDMI 
v1.4b Sink systems, supporting reception and processing of Deep Color video and state-of-the-art 
Functional Description 
diagram of the IT6801FN, which describes clearly the data flow.   
1080p. And with its MHL/HDMI dual mode port support MHL2.1 signal input up to 1080p60hz. 
as color space conversion and up/down sampling. The following picture is the functional block 
  ITE confidential for Zhongxinwei use only
Figure 2. Functional block diagram of the IT6801FN 
QE[35:28]
QE[23:16]
QE[11:4] 
Packet Data Processing
Audio Clock 
Recovery and
PCLK
VSYNC
HSYNC
Color Space 
Conversion
HDCP Decryption Engine
Port-0
MHL/HDMI
&
Up/Down 
Sampling
I2S[1:0]
SPDIF
MUTE
Packet 
Processing
MCLK
SCK
WS
R0X2P/M
R0X1P/M
R0X0P/M
R0XCP/M
DE
3DR
CBUS/HPD
Rcvr.
AFE
 
 
 
 
www.ite.com.tw 
 
 
T8720F V0.7.1 
 
 
Jul-2015 Rev:0.96a      7/44 
 
 
 
 
 
 
 
 
IT6801FN 
 
to support long cables.   
 
Receiver Analog Frontend (Rcvr. AFE) 
MHL/HDMI data at up to 3.0Gbps (with a TMDS clock of 300MHz). Adaptive equalization is employed 
The integrated TMDS receiver analog frontend macros are capable of receiving and decoding 
ITE confidential for Zhongxinwei use only
Figure 3. Video Data Processing flow of the IT6801FN 
 
The video processing including YCbCr up/down-sampling, color-space conversion and dithering. 
Depending on the selected input and output video formats, different processing blocks are either 
As can be seen from Figure 3, the received and recovered HDMI raw data is first HDCP-decrypted. 
The extracted video data then go through various processing blocks, as described in the following 
Figure 3 depicts the video data processing flow. For the purpose of retaining maximum flexibility, most 
of the block enablings and path bypassings are controlled through register programming. Please refer 
enabled or bypassed via register control. For the sake of flexibility, this is all done in software register 
programming. Therefore, extra care should be taken in keeping the selected output format and the 
corresponding video processing block selection. Please refer to the IT6801FN Programming Guide for 
paragraphs, before outputting the proper video format to the backend video controller.   
The output interface could be configured through register setting to provide various data formats as 
listed in Table 1 in order to cater to different preferences of different backend controllers. 
Major video processing in the IT6801FN are carried out in 14 bits per channel in order to minimize 
 
 
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T8720F V0.7.1 
 
 
Jul-2015 Rev:0.96a      8/44 
 
Video Data Processing Flow 
to IT6801FN Programming Guide for detailed and precise descriptions. 
suggested register setting.