Training course: D44
8
SEES Engineering Department
2. Block Diagrams
(continued)
Main ICs
4- Digital audio interface supports high-end audio systems:
• One programmable I2S output for connection to low-cost DACs at 32-192kHz.
• S/PDIF output supports PCM, Dolby Digital, DTS digital audio transmission (32-192 kHz Fs) using IEC60958 and IEC61937.
• Auto audio error detection with programmable soft mute.
5- Integrated HDCP decryption engine for receiving protected audio and video content.
6- HDCP Built in Self Test (BIST) lowers cost to test HDCP operation.
7- Pre-programmed HDCP keys provide highest level of key security, simplifi es manufacturing.
IC1922 & IC1902: NVM OF HDMI
(E-EDID)
Part Number :
24LC2BIN
SHARP Code:
VHI24LC2BIN-1Y
This IC is a 2-wire (I2C bus type) serial EEPROM this is electrically programmable. This EEPROM chip stores the data structure used to carry
confi guration information for optimal use of a display (EDID data).
IC4001: DIGITAL PROCESSOR MPEG 1/2 DECODER
(Audio/Video)
Part Number :
STI5105ALC
SHARP Code:
RH-IXC243WJZZQ
The STi5105ALC sets a new standard for set-top box decoder ICs, delivering outstanding performance, features and innovations to dramatically
reduce cost compared with previous generations. The Sti5105 features an even faster ST20CPU with direct map, single cycle caches to boost
performance.
Graphics and display capabilities have been enhanced with the provision of a blitter engine for formatting and fi nal display composition. Color
formats (CLUT8 and true color ARGB16) and display planes (background, still picture, video and OSD graphics) are provided. Overall system
performance benefi ts from the integration of SDRAM (DDR or SDR) external memory, that provides a unifi ed memory system with high bandwith
and low latency CPU access over a 16-bit interface.
System cost reduction is further promoted by the integration of additional peripheral and system services functions, such as VCXO, an enhancer
reset controller, DVB-CI support, smartcard power control and improved low power and standby functionality.
