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PDF IT6613 Data sheet ( Hoja de datos )
| Número de pieza | IT6613 | |
| Descripción | HDMI 1.4 Transmitter | |
| Fabricantes | ITE TECH | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de IT6613 (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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IT6613
HDMI 1.4 Transmitter with 3D Support
ITE TECH. INC.
www.ite.com.tw
Jul-2010 Rev:0.8 1/37
1 page  
IT6613
Pin Description
Digital Video Input Pins
Pin Name Direction Description
D[35:0]
Input
Digital video input pins.
DE
HSYNC
VSYNC
PCLK
Input
Input
Input
Input
Data enable
Horizontal sync. signal
Vertical sync. signal
Input data clock
Digital Audio Input Pins
Pin Name Direction Description
MCLK
Input
Audio master clock input
SCK
Input
I2S serial clock input
WS
Input
I2S word select input
I2S0
Input
I2S serial data input
I2S1
Input
I2S serial data input
I2S2
Input
I2S serial data input
I2S3
Input
I2S serial data input
SPDIF
Input
S/PDIF audio input
DCLK
Input
DSD Serial audio clock input
DSD0R
Input
DSD Serial Right CH0 data input
DSD0L
Input
DSD Serial Left CH0 data input
DSD1R
Input
DSD Serial Right CH1 data input
DSD1L
Input
DSD Serial Left CH1 data input
DSD2R
Input
DSD Serial Right CH2 data input
DSD2L
Input
DSD Serial Left CH2 data input
DSD3R
Input
DSD Serial Right CH3 data input
DSD3L
Input
DSD Serial Left CH3 data input
Programming Pins
Pin Name Direction
INT#
Output
SYSRSTN Input
DDCSCL
I/O
DDCSDA
I/O
Description
Interrupt output. Default active-low (5V-tolerant)
Hardware reset pin. Active LOW (5V-tolerant)
I2C Clock for DDC (5V-tolerant)
I2C Data for DDC (5V-tolerant)
www.ite.com.tw
Type
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
Pin No.
56-63, 67-75,
77-86, 90-98
1
2
3
88
Type
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
Pin No.
5
11
10
9
8
7
6
4
15
16
17
18
19
20
21
22
23
Type
LVTTL
Schmitt
Schmitt
Schmitt
Pin No.
24
25
46
47
Jul-2010 Rev:0.8 5/37
5 Page 
IT6613
multiplied factor and sample frequency as well as the resultant MCLK frequencies are summarized in
Table 2.
S/PDIF
The S/PDIF input supports 2-channel uncompressed PCM data (IEC 60958) or compressed
multi-channel data (IEC 61937) at up to 192kHz. By default the clock of S/PDIF is carried within the
datastream itself via coding. The IT6613 could also process the S/PDIF audio with coherent MCLK
input as indicated in Table 2.
Multiple of audio
sample frequency
32kHz
44.1kHz
Audio sample frequency
48kHz
88.2kHz
96kHz
176.4kHz 192kHz
128
4.096
5.645
6.144
11.290
12.288
22.579
24.576
256
8.192
11.290
12.288
22.579
24.576
45.158
49.152
512
16.384
22.579
24.576
45.158
49.152
90.317
98.304
1024
32.768
45.158
49.152
90.316
98.304 (180.634) (196.608)
Table 2. Output MCLK frequencies (MHz) supported by the IT6613
Notes:
1. The MCLK frequencies in parenthesis are MCLK frequencies over 100MHz. These frequencies are implemented
in the IT6613 and could be output through register setting as well. However, the I/O circuit of the MCLK pin does
not guarantee to be operating at such a high frequency under normal operation conditions. In addition, few audio
frontend ICs outputs such high MCLK frequencies. Therefore, using the MCLKs in parenthesis is strongly
discouraged.
One-Bit Audio (DSD/SACD)
Direct stream digital (DSD) audio is an one-bit audio format which is prescribed by Super Audio CD
(SACD) to provide superiore audio hearing experiences. The IT6613 provides dedicated input pins for
DSD audio. A total of 8 data inputs are provided for right channels and left channels.
High-Bit-Rate Audio (HBR)
High-Bit-Rate Audio is also new to the HDMI standard. It is called upon by high-end audio system
such as DTS-HD and Dolby TrueHD. No specific interface is defined by the HBR standard. The
IT6613 supports HBR audio in two ways. One is to employ the four I2S inputs simultaneously, where
the original streaming DSD audio is broken into four parallel data streams before entering the IT6613.
The other is to use the S/PDIF input port. Since the data rate here is as high as 98.304Mbps, a
coherent MCLK is required in this application.
Audio Downsampling
Audio data can be down sampled in cases where the sinks only support audio with lower sampling
rates. The IT6613 offers audio down-sampling of both a factor of two and a factor of four. Refer to
Table 3 for supported down-samplings.
www.ite.com.tw
Jul-2010 Rev:0.8 11/37
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet IT6613.PDF ] | |
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