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PDF CAT6611 Data sheet ( Hoja de datos )
| Número de pieza | CAT6611 | |
| Descripción | Single-Link HDMI Transmitter | |
| Fabricantes | Chip Advanced Technology | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de CAT6611 (archivo pdf) en la parte inferior de esta página. Total 29 Páginas | ||
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CAT6611
Single-Link HDMI Transmitter
Free Datasheet http://www.datasheet4u.com/
1 page  
CAT6611
Pin Description
Digital Video Input Pins
Pin Name Direction Description
D[23:0]
Input
Digital video input pins. D[23:12] are only used in 24-bit
single-edged mode. In 12-bit, dual-edged mode D[23:12] should
be tied to ground.
Type
LVTTL
DE
HSYNC
VSYNC
PCLK
Input
Input
Input
Input
Data enable
Horizontal sync. signal
Vertical sync. signal
Input data clock
LVTTL
LVTTL
LVTTL
LVTTL
Pin No.
49-58,
61-65,
67-70,
75-79
80
1
2
66
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
Type
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
Pin No.
6
12
11
10
9
8
7
5
Programming Pins
Pin Name Direction
INT#
Output
SYSRSTN Input
DDCSCL
I/O
DDCSDA
I/O
PCSCL
Input
PCSDA
I/O
OVSS /
Ground /
ROMSCL
Output
OVDD /
ROMSDA
Power /
Input
Description
Type
Interrupt output. Default active-low (5V-tolerant)
LVTTL
Hardware reset pin. Active LOW (5V-tolerant)
Schmitt
I2C Clock for DDC (5V-tolerant)
Schmitt
I2C Data for DDC (5V-tolerant)
Schmitt
Serial Programming Clock for chip programming (5V-tolerant)
Schmitt
Serial Programming Data for chip programming (5V-tolerant)
Schmitt
Master serial programming Clock for reading external HDCP Key Ground /
ROM. When using internal HDCP, Pin 72 should be connected to Schmitt
I/O ground (OVSS).
Master serial programming Data for reading external HDCP Key Power /
ROM. When using internal HDCP, Pin 71 should be connected to Schmitt
Pin No.
17
42
20
19
43
44
72
71
The CAT logo is a registered trademark of Chip Advanced Technology
2007 Chip Advanced Technology Inc. – All Right Reserved.
June-2007 Rev:1.0a 5/29
Free Datasheet http://www.datasheet4u.com/
5 Page 
CAT6611
down-sampling of both a factor of two and a factor of four. Refer to Table 2 for supported
down-samplings.
Interrupt Generation
The system micro-controller should take in the interrupt signal output by CAT6611 at PIN 17 (INT).
CAT6611 generates an interrupt signal with events involving the following signals or situations:
1. Hot-plug detection (Pin 18, HPD) experiences state changes.
2. Receiver detection circuit reports the presence or absence of an active termination at the TMDS
Clock Channel (Register 0Eh[5], RxSENDetect)
3. DDC bus is hanged for any reasons
4. Audio FIFO overflows
5. HDCP authentication fails
6. Video data is stable or not
A typical initialization of HDMI link should be based on interrupt signal and appropriate register probing.
Recommended flow is detailed in CAT6611 Programming Guide. Simply put, the microcontroller
should monitor the HPD status first. Upon valid HPD event, move on to check RxSENDetect register
to see if the receiver chip is ready for further handshaking. When RxSENDetect is asserted, start
reading EDID data through DDC channels and carry on the rest of the handshaking subsequently.
If the micro-controller makes no use of the interrupt signal as well as the above-mentioned status
registers, the link establishment might fail. Please do follow the suggested initialization flow
recommended in CAT6611 Programming Guide.
The CAT logo is a registered trademark of Chip Advanced Technology
2007 Chip Advanced Technology Inc. – All Right Reserved.
June-2007 Rev:1.0a 11/29
Free Datasheet http://www.datasheet4u.com/
11 Page | ||
| Páginas | Total 29 Páginas | |
| PDF Descargar | [ Datasheet CAT6611.PDF ] | |
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