SAA8122A Selling Leads, Price trend, SAA8122A DataSheet download, circuit diagram from SeekIC.com

Features: · Supports a wide range of progressive CCDs (VGA, SVGA, QGA, XGA, EQGA), ith RGB Bayer filters up to 2 Mpixels· Performs an advanced RGB to YUV conversion· Includes a smart measurement unit to speed up the control loop (focus, auto white alance, etc.)· Supports a wide range of LCD and TV...

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SeekIC No. : 004484107 Detail

SAA8122A: Features: · Supports a wide range of progressive CCDs (VGA, SVGA, QGA, XGA, EQGA), ith RGB Bayer filters up to 2 Mpixels· Performs an advanced RGB to YUV conversion· Includes a smart measurement uni...

SAA8122A Data Sheet

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Part Number:: SAA8122A
Supply Ability:: 5000

Price Break

Qty
1~5000

Unit Price
Negotiable

Processing time
15 Days

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Upload time: 2025/12/26

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Product Details

Description

Features:

· Supports a wide range of progressive CCDs (VGA, SVGA, QGA, XGA, EQGA), ith RGB Bayer filters up to 2 Mpixels
· Performs an advanced RGB to YUV conversion
· Includes a smart measurement unit to speed up the control loop (focus, auto white alance, etc.)
· Supports a wide range of LCD and TV formats (both NTSC and PAL) with text nsertion features
· Includes an embedded JPEG encoder/decoder unit
· Includes a MIPS PR3001 CPU, running at a frequency in a range from 2 to 28 MHz
· PRISC compatible PI-bus architecture, interrupt, power management, clock and eset architectures
·Includes a dedicated video bus supporting SDRAM memory for picture storage
·Interface to ROM, DRAM, SRAM, flash and PC Card [Compact Flash and SSFDC(SmartMedia)]
· Integrated general purpose peripheral units like a UART, timers, an I²C-bus ransceiver, ADC converters, RTC and I/O ports
· Includes USB and RS-232C communication interfaces.
· Two UART (RS-232) data ports with DMA capabilities (£187.5 kbit/s) including ardware flow control RxD, TxD, RTS, CTS for modem support
·32 general purpose, bidirectional I/O interface pins, the first 8 bits may also be sed as interrupt inputs
·Two PWM outputs (8-bit resolution).
·32-bit PR3001 core
· -kbyte data cache and 4-kbyte instruction cache
· Programmable low-power mode, including wake-up on interrupt
· emory management unit [Translation Lookaside Buffer (TLB)]
· Two built in 24-bit general purpose timers and one 24-bit watchdog timer
· Real-time clock unit (active in sleep mode)
· On-chip 8-kbyte SRAM for storing code which needs fast execution
· Platform software based on real-time pSOS (plug-in Silicon Operating System).
· Advanced colour reconstruction
·Programmable digital filters for noise reduction and contour enhancement
· 16 programmable measurement windows allowing to perform the measurements ecessary for exposure, white balance and focus adjustment in a DSC system; vailable measurement outputs for exposure, white balance and focus control.
· Programmable through dedicated PC-software, allowing to drive all CCDs currently present in the market, as well as CDS/AGC/ADC chips: up to 8×8 kpixels.
· Fully ISO10918 compliant
· Supports Tiff, Exif 2.1, DCF & DPOF
· Quick compression (4 images/s for a 1.3 Mpixels resolution).
· Fully compatible with USB.
· Compatible with all SSFDC/CF cards on the market.
· Bus structure allows for parallel processing depending on software implementation, allowing easy system optimization.
· Supports up to 128 Mbyte of SDRAM and 16-bit wide addressses
· Bus speed: 1 or 2 times CCD pixel clock
· 32-bit bus width.

Specifications

Symbol	Parameter	Conditions	Min	Max	Unit
V_DDD	digital supply voltage		-0.5	4	V
V_DDA	analog supply voltage		-0.5	4	V
V_I	DC input voltage	general [1] [2]	-0.5	V_DD + 0.5	V
V_I	DC input voltage	5 V tolerant[2] cells only[3]	-0.5	-0.5	V
I_DD	DC supply current per supply pin	[4]	-	60	mA
I_SS	DC ground current per ground pin	[4]	-	60	mA
T_stg	storage temperature	[5]	0	125	°C

[1] Value may not exceed 4 V.
[2] Including voltage on outputs in 3-state mode.
[3] Only valid when supply voltage is present.
[4] The peak current is limited to 10 times the corresponding maximum current.
[5] Dependent of package and not yet determined.

Description

The DSC SAA8122A is a high performance, low power, single-chip Million Instructions Per Second (MIPS) based signal processor, part of the ImagIC family, which is dedicated to image processing, compression, formatting and storage. The DSC SAA8122A is optimized for use with Philips range of CCDs (e.g: FXA1022, 2 Mpixels CCD), V-driver (TDA9991), CDS/PGA/ADC (TDA9952), allowing easy implementation of a complete system solution and fast development of high performance consumer digital still cameras.

The SAA8122A is designed as a single-chip device, able to perform all treatments and connections required for a wide range of Digital Still Cameras. Its embedded RISC CPU, for which the development environment is available, enables shorter development and validation cycles, as well as faster feature upgrade. Since one of the main objectives of the SAA8122A is addressing a wide range of CCD sensors, a DSP (with advanced embedded algorithm) for camera signal processing is integrated with a high level of programmability for pulses generation.

The JPEG core of SAA8122A is hardware based in order to allow high-speed image data compression.

SAA8122A

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