SAA7128AH; SAA7129AH

General description

The SAA7128AH; SAA7129AH encodes digital C_B -Y-C_R video data to an NTSC, PAL or SECAM CVBS or S-video signal. Simultaneously, RGB or bypassed but interpolated C_B -Y-C_R signals are available via three additional DACs. Through a 54 MHz multiplexed digital D1 input port, the circuit accepts two ITU-R BT.656 compatible C_B -Y-C_R data streams with 720 active pixels per line in 4 :2 :2multiplexed formats. For example, MPEG decoded data with overlay and MPEG decoded data without overlay, where one data stream is latched at the rising, the other one is latched at the falling clock edge.

It includes a sync/clock generator and on-chip DACs.

Features

• Monolithic CMOS 3.3 V device, 5 V I²C-bus optional
• Digital PAL/NTSC/SECAM encoder
• System pixel frequency 13.5 MHz
• 54 MHz double-speed multiplexed D1 interface capable of splitting data into two separate channels (encoded and baseband)
• Three Digital-to-Analog Converters (DACs) for CVBS (CSYNC), VBS (CVBS) and C (CVBS) two times oversampled with 10-bit resolution (signals in brackets optional)
• Three DACs for RED (C_R ), GREEN (Y) and BLUE (C_B ) two times oversampled with 9-bit resolution (signals in brackets optional)
• Alternatively, an advanced composite sync is available on the CVBS output for RGB display centring
• Real-time control of subcarrier
• Cross-colour reduction filter
• Closed captioning encoding and World Standard Teletext (WST) and North-American Broadcast Text System (NABTS) teletext encoding including sequencer and filter
• Copy Generation Management System (CGMS) encoding (CGMS described by standard CPR-1204 of EIAJ); 20 bits in lines 20/283 (NTSC) can be loaded via I²C-bus
• Fast I²C-bus control port (400 kHz)
• Line 23 Wide Screen Signalling (WSS) encoding
• Video Programming System (VPS) data encoding in line 16 (50/625 lines counting)
• Encoder can be master or slave
• Programmable horizontal and vertical input synchronization phase
• Programmable horizontal sync output phase
• Internal Colour Bar Generator (CBG)
• Macrovision^TM(1) Pay-per-View copy protection system rev. 7.01 and rev. 6.1 as option; this applies to SAA7128AH only. The device is protected by USA patent numbers 4631603, 4577216 and 4819098 and other intellectual property rights. Use of the Macrovision anti-copy process in the device is licensed for non-commercial home use only. Reverse engineering or disassembly is prohibited. Please contact your nearest Philips Semiconductors sales office for more information
• Controlled rise/fall times of output syncs and blanking
• On-chip crystal oscillator (3rd-harmonic or fundamental crystal)
• Down mode (low output voltage) or power-save mode of DACs
• QFP44 package.

(1) Macrovision^TM is a trademark of the Macrovision Corporation.

Products/packages

Type number	North American Type number	Ordering code (12NC)	Product status	Package	Packing	Marking	Chemical content	Leadfree conversion date
SAA7129AH/V1	SAA7129AHB-T	9352 695 15518	Volume production	SOT307-2 (QFP44)	Reel Dry Pack, SMD, 13"	Standard Marking	SAA7129AH/V1	week 14, 2004
SAA7129AH/V1	SAA7129AHB	9352 695 15557	Volume production	SOT307-2 (QFP44)	Tray Dry Pack, Bakeable, Multiple	Standard Marking	SAA7129AH/V1	week 14, 2004

Pricing/ordering/availability

Type number	Ordering code(12NC)	Indicative price/unit($)	Region	Distributor	In stock	Inventory date	Buy online	Samples
SAA7129AH/V1	9352 695  15518		NA	FUTURE ELECTRONICS	900	12/3/2008	Buy online	Order samples
			NA	MOUSER ELECTRONICS	1,418	12/3/2008	Buy online
SAA7129AH/V1	9352 695  15557		NA	DIGI-KEY CORPORATION	241	12/3/2008	Buy online	Order samples
			NA	FUTURE ELECTRONICS	210	12/3/2008	Buy online

Block diagrams/pinning

Design support

Support Documents

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