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SAA7102; SAA7103
General description
The SAA7102; SAA7103 is used to encode PC graphics data at maximum 800 × 600 resolution to PAL (50 Hz) or NTSC (60 Hz) video signals. A programmable scaler and interlacer ensures properly sized and flicker-free TV display as CVBS or S-video output.
Alternatively, the three Digital-to-Analog Converters (DACs) can output RGB signals together with a TTL composite sync to feed SCART connectors.
When the scaler/interlacer is bypassed, a second VGA monitor can be connected to the RGB outputs and separate H and V-syncs as well, thereby serving as an auxiliary monitor at maximum 800 x 600 resolution/60 Hz (PIXCLK < 45 MHz).
The device includes a sync/clock generator and on-chip DACs.
Features
- Digital PAL/NTSC encoder with integrated high quality scaler and anti-flicker filter for TV output from a PC
- 27 MHz crystal-stable subcarrier generation
- Maximum graphics pixel clock 45 MHz at double edged clocking, synthesized on-chip or from external source
- Up to 800 x 600 graphics data at 60 Hz or 50 Hz with programmable underscan range.
- Three Digital-to-Analog Converters (DACs) at 27 MHz sample rate for CVBS (BLUE, CB), VBS (GREEN, CVBS) and C (RED, CR) (signals in parenthesis are optional); all at 10-bit resolution
- Non-Interlaced (NI) CB-Y-CR or RGB input at maximum 4 : 4 : 4 sampling
- Downscaling from 1 : 1 to 1 : 2 and up to 20 pct upscaling
- Optional interlaced CB-Y-CR input of Digital Versatile Disc (DVD) signals
- Optional non-interlaced RGB output to drive second VGA monitor (bypass mode with maximum 45 MHz)
- 3 x 256 bytes RGB Look-Up Table (LUT)
- Support for hardware cursor
- Programmable border color of underscan area
- On-chip 27 MHz crystal oscillator (3rd-harmonic or fundamental 27 MHz crystal)
- Fast I2C-bus control port (400 kHz)
- Encoder can be master or slave
- Programmable horizontal and vertical input synchronization phase
- Programmable horizontal sync output phase
- Internal Color Bar Generator (CBG)
- Optional support of various Vertical Blanking Interval (VBI) data insertion
- Macrovision Pay-per-View copy protection system rev. 7.01 and rev. 6.1 as option; this applies to the SAA7102 only
- Power-save modes
- Joint Test Action Group (JTAG) Boundary Scan Test (BST)
- Monolithic CMOS 3.3 V device, 5 V tolerant I/Os
- QFP44 and LBGA156 packages
- Same footprint as SAA7108E; SAA7109E
Products/packages
| Type number | North American Type number | Ordering code (12NC) | Product status | Package | Packing | Marking | Chemical content | Leadfree conversion date |
|---|---|---|---|---|---|---|---|---|
| SAA7103H/V4 | SAA7103HB-T | 9352 676 49518 | Volume production | SOT307-2
(QFP44) | Reel Dry Pack, SMD, 13" | Standard Marking | SAA7103H/V4
| week 14, 2004 |
| SAA7103H/V4 | SAA7103HB | 9352 676 49557 | Volume production | SOT307-2
(QFP44) | Tray Dry Pack, Bakeable, Multiple | Standard Marking | SAA7103H/V4
| week 14, 2004 |
Products in the above table are all in production. Some variants are discontinued; click here for information on these variants.
Pricing/ordering/availability
| Type number | Ordering code(12NC) | Indicative price/unit($) | Region | Distributor | In stock | Inventory date | Buy online | Samples |
|---|---|---|---|---|---|---|---|---|
| SAA7103H/V4 | 9352 676 49518 | not available | ||||||
| SAA7103H/V4 | 9352 676 49557 | NA | DIGI-KEY CORPORATION | 307 | 10/9/2008 | Buy online | not available |
Technical documents
Application Notes
Support Documents
Disclaimer
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