Video Signal Processing
Video Signal Processing
1H CRT TV Systems
The TMPA88xx series consists of a microcontroller and a TV signal processor. It incorporates basic functionality required for 1H CRT TV systems, such as a microcontroller, OSD, video processing and synchronization processing, eliminating the need for external components. Toshiba also offers a device with an East-West (EA) correction capability designed for large, slim CRT TV applications. Below is a block diagram of a basic TV system using the TMPA8873.
| Part Number | |||
|---|---|---|---|
| Features | TMPA8851CxNG | TMPA8853CxNG | TMPA8857CxNG |
| Color System | PAL/NTSC/SECAM | PAL/NTSC | PAL/NTSC/SECAM |
| SIF Carrier System | Intercarrier | Intercarrier | Intercarrier |
| EW Correction (EW/EHT) | - | - | ○ |
| YCbCr Input | 1 | 1 | 1 |
| Built in Sound Trap | - | - | - |
| FM Radio (Mono, 10.7MHz) | - | - | - |
| Video Inputs | 2 | 2 | 1 |
| Audio Input / Outputs | 1/1 | 1/1 | - / - |
| Audio Monitor Output | - | - | - |
| Part Number | |||
|---|---|---|---|
| Features | TMPA8859CxNG | TMPA8873CxBNG | TMPA8879CxBNG |
| Color System | PAL/NTSC | PAL/NTSC | PAL/NTSC |
| SIF Carrier System | Intercarrier | Intercarrier | Intercarrier |
| EW Correction (EW/EHT) | ○ | - | ○ |
| YCbCr Input | 1 | 1 | 1 |
| Built in Sound Trap | - | ○ | ○ |
| FM Radio (Mono, 10.7MHz) | - | ○ | ○ |
| Video Inputs | 1 | 2 | 1 |
| Audio Input / Outputs | - / - | 2/2 | 2/2 |
| Audio Monitor Output | - | 1 | 1 |
| Part Number | ||||
|---|---|---|---|---|
| Features | TMPA8891CxBNG | TMPA8893CxBNG | TMPA8897CxBNG ** | TMPA8899CxBNG ** |
| Color System | PAL/NTSC/SECAM | PAL/NTSC | PAL/NTSC/SECAM | PAL/NTSC |
| SIF Carrier System | Intercarrier | Intercarrier | Intercarrier | Intercarrier |
| EW Correction (EW/EHT) | - | - | ○ | ○ |
| YCbCr Input | 1 | 1 | 1 | 1 |
| Built in Sound Trap | ○ | ○ | ○ | ○ |
| FM Radio (Mono, 10.7MHz) | ○ | ○ | ○ | ○ |
| Video Inputs | 3 | 3 | 2 | 2 |
| Audio Input / Outputs | 2/2 | 2/2 | 2/2 | 2/2 |
| Audio Monitor Output | 2 | 2 | 2 | 2 |
- x: Mask ROM size(KB) S:64, R:56, P:48
- **: Under development
- All the above parts are housed in SDIP64.
2H CRT TV Systems
Video Processing Subsystem for a 2H CRT TV Below is an example of a block diagram of a video processing subsystem for progressive-scan TV, using the TC90801AMFG.
Video Processing Subsystem for a 2H CRT TV
| Category | Part Number | Functions | Package |
|---|---|---|---|
| Single-Chip | TC90801AMFG ** | AV switch, multi-standard color decoder, I-P conversion, picture correction, deflection distortion correction | LQFP208 |
| FEP | TB1274BFG | Multi color decoder | QFP48 |
| TA1270BFG | PAL/NTSC color decoder | QFP48 | |
| TA1383AFG | NTSC color decoder, sync detection | SSOP30 | |
| BEP | TA1360ANG/AFG | YUV picture improvement, RGB processing, sync processing | SDIP56/QFP80 |
| TB1306AFG | YUV/RGB processing, sync and deflection processing | QFP48 | |
| TB1307FG | YUV picture improvement, RGB processing, sync and deflection processing | QFP48 | |
| Deflection distortion correction | TA8859CPG | Deflection distortion correction | DIP16 |
| TA1241ANG | Deflection distortion correction | SDIP24 | |
| TA1317ANG | Deflection distortion correction, DC-coupled Vout | SDIP24 | |
| Others | TA1287PG/FG | Color difference switch | DIP16/SSOP16 |
| TB1305FG | Component switch, ADC pre-filter, sync detection | QFP48 | |
| TB1308FG | |||
| TB1311AFG | AV switch, component switch, ADC pre-filter, sync detection | QFP80 | |
| TB1328FG | AV switch, component switch, ADC pre-filter, sync detection | LQFP64 |
- **: Under development
ICs for Small LCD Panels
The TB1323FG, TB1318FG, TB1324FG and TB1325FG provide basic functionality required for small LCD panels such as video processing, RGB processing and synchronization processing. These ICs significantly reduce the number of external components needed. Also, small, low-profile packages save board space.
| Part Number | Chroma Processing | PWM for DC/DC Converter | Package | Features | ||
|---|---|---|---|---|---|---|
| PAL | NTSC | SECAM | ||||
| TB1323FG | ○ | ○ | - | ○ | LQFP64 | 2 CVBS (YC) inputs, 1 RGB (Ys) input and 1 RGB (YCbCr) input 1H delay line (NTSC chroma comb filter) Supports multiple video standards with one crystal Automatic video standard detection Gamma correction Automatic contrast limiting (ACL) Black and white limiting Horizontal VCO (HVCO) Sync separation Dot clock generator for an external timing controller I2bus interface |
| TB1318FG | ○ | ○ | ○ | |||
| TB1324FG ** | ○ | ○ | - | - | LQFP48 | |
| TB1325FG | ○ | ○ | ○ | |||
- Note:TB1323FG and TB1318FG are pin-compatible.
TB1324FG and TB1325FG are pin-compatible. - **: Under development
Video Decoders
| Part Number | Functions | Features | Operating Supply Voltage | Package |
|---|---|---|---|---|
| TC90101FG | Color decoder with Y/C separation | - Multi-standard system - Sync regeneration and color system detection - 3-line Y/C separation - Picture improvement - 656 and 601 outputs - VBI data slicer - S/N detection - Copy guard signal detection |
3.3 V 2.5 V 1.5 V |
LQFP100 |
| TC90103AFG | Color decoder with Y/C separation | - Multi-standard system - Sync regeneration and color system detection - 3-line Y/C separation - Picture improvement - 656 and 601 outputs - VBI data slicer - S/N detection - Copy guard signal detection |
3.3 V 2.5 V 1.5 V |
LQFP144 |
Extended Temperature ICs (-30°C to +85°C)
| Part Number | Functions | Feature | Operating Supply Voltage | Package |
|---|---|---|---|---|
| TC90A96BFG | Dual-LCD processor |
- Analog RGB inputs - Digital RGB inputs - Composite video inputs - Digital PLL - 2-line Y/C separation - Multi-standard color decoder - 6-Mbit DRAM - OSD interface - Digital RGB outputs - LCD control outputs (dedicated to Toshiba’s QVGA and W-VGA) - Picture adjustment |
3.3 V 2.5 V 1.5 V |
QFP176 |
| TC90101AFG | Color decoder with Y/C separation |
- Multi-standard system - Sync regeneration and - color system detection - 3-line Y/C separation - Picture improvement - 650 and 601 outputs - VBI data slicer - S/N detection - Copy guard signal detection |
3.3 V 2.5 V 1.5 V |
LQFP100 |
| TC90200AFG ** | Single-chip video processor |
- Multi-standard system - Sync regeneration and color system detection - 3-line Y/C separation - Digital input interface - SCART connectors supported - Scaler - VBI data slicer - OSD input interface |
3.3 V 2.5 V 1.5 V |
LQFP208 |
- **: Under development
ICs for Digital Y/C Separation
| Part Number | Functions | Features | Operating Power Supply | Package |
|---|---|---|---|---|
| TC90A45FG/PG | 2/3-line Y/C separation | 2-line Y/C separation (NTSC) x 4 VCO, 8-bit ADC, 1H line memory, Toshiba-proprietary logical comb filter, 2-ch 8-bit DAC |
5 V | SOP16/DIP16 |
| TC90A53AFG/ANG | 3-line Y/C separation (NTSC) 4x 4 VCO, 8-bit ADC, 2H line memory, Toshiba-proprietary logical comb filter, 2-ch 8-bit DAC |
5 V | SOP28/DIP28 | |
| TC90A69NG/FG | 3-line Y/C separation (PAL, NTSC) + CNR(NTSC) 3-line Y/C separation (PAL, NTSC) + chroma noise reduction (NTSC), x 8 VCO, 8-bit ADC, 4H line memory, 2-ch 8-bit DAC, Toshiba-proprietary logical comb filter, CNR |
5 V | SDIP28/SOP28 | |
| TC90A83NG | 3-line Y/C separation (NTSC) 3-line Y/C separation (NTSC), programmable PLL, 10-bit ADC, 2H line memory, Toshiba-proprietary logical comb filter, 2-ch 10-bit DAC, dot interference reduction |
5 V | SDIP28 | |
| TC90A65FG | 3D Y/C separation | 3D Y/C separation (NTSC) 10-bit ADC, 4-Mb DRAM, 10-bit DAC, VCXO | 2.5 V 3.3 V |
QFP100 |
VBI Data Slicer
| Part Number | Functions | Features | Operating Power Supply | Package |
|---|---|---|---|---|
| TC90173FG | VBI Data Slicer | 8-bit ADC,
Digital data slicer, Transversal filter, Error checking and correction, Sync separation, Parallel microcontroller interface, World's VBI data standards supported, Single 27-MHz clock |
3.3 V 2.5 V 1.5 V |
LQFP48 |