SAA4970T Datasheet | Philips Semiconductors

FEATURES - Digital horizontal PLL - Digital CTI (DCTI) - Digital luminance peaking - Digital phase pensation filter - D/A conversion - Simple multi picture processing - Coloured frame generation - Memory/sync processing. QUICK REFERENCE DATA SYMBOL VDD VCC Tamb PARAMETER digital supply voltage analog supply voltage operating ambient temperature 4.5 4.75 0 MIN. 5.5 5.25 70 GENERAL DESCRIPTION The ECOBENDIC is an economical video processing IC (Economical Back End IC) for double scan conversion. It consists of sync/memory control, video enhancing features and D/A conversion. The IC is designed to cooperate with an 83C654 type of microcontroller, Texas Instruments TMS4C2970/2971 memories plus a 4 : 1 : 1 A/D converter TDA8755/8753A. MAX. V V °C UNIT ORDERING INFORMATION PACKAGE TYPE NUMBER NAME SAA4970T VSO56 DESCRIPTION plastic very small outline package; 56 leads VERSION SOT190-1 1996 Oct 25 Philips Semiconductors Preliminary specification Economical video processing IC (ECOBENDIC) BLOCK DIAGRAM SAA4970T handbook, full pagewidth UVIN3 to UVIN0 47 to 50 4 REFORMATTER UP-SAMPLING DCTI 8 D A 5 VO YIN7 to YIN0 HA, VA 37 to 41, 44 to 46 8 22, 23 2 PHASE PENSATION FILTER PEAKING Xtal O 55 56 Xtal I 19 PLL MICROCONTROLLER INTERFACE 8 53 51 29 to 36 24 27 28 ALE RDN WRN microcontroller mand 14 CLMP 3 15 to 17 SYNC PROCESSING MEMORY CONTROL 18 HD VD MGE092 CK1 CK2 microcontroller parallel bus AD7 to AD0 address line IE, WE, RE microcontroller parallel bits Fig.1 Block diagram. 1996 Oct 25 Philips Semiconductors Preliminary specification Economical video processing IC...