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SDA5255 Datasheet (PDF) - Siemens Semiconductor Group

SDA5255 Datasheet PDF - Siemens Semiconductor Group
No. de pieza SDA5255
Descarga  SDA5255 Descarga

Tamaño del archivo   1050.0 Kbytes
Page   143 Pages
Fabricante Electrónico  SIEMENS [Siemens Semiconductor Group]
Página de inicio  http://www.siemens.com/
Logo SIEMENS - Siemens Semiconductor Group
Descripción Electrónicos TVTEXT 8-Bit Microcontroller

SDA5255 Datasheet (PDF)

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SDA5255 Datasheet PDF - Siemens Semiconductor Group

No. de pieza SDA5255
Descarga  SDA5255 Click to download

Tamaño del archivo   1050.0 Kbytes
Page   143 Pages
Fabricante Electrónico  SIEMENS [Siemens Semiconductor Group]
Página de inicio  http://www.siemens.com/
Logo SIEMENS - Siemens Semiconductor Group
Descripción Electrónicos TVTEXT 8-Bit Microcontroller

SDA5255 Datasheet (HTML) - Siemens Semiconductor Group

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SDA5255 Detalles de producto

General Description
The SDA 525x contains a slicer for TTX, VPS and WSS, an accelerating acquisition hardware modul, a display generator for “Level 1” TTX data and an 8 bit microcontroller running at 333 ns cycle time. The controller with dedicated hardware guarantees flexibility, does most of the internal processing of TTX acquisition, transfers data to/from the external memory interface and receives/transmits data via  I2C and UART user interfaces. The block diagram shows the internal organization of the SDA 525x. The Slicer combined with dedicated hardware stores TTX data in a VBI buffer of 1 Kbyte. The microcontroller firmware does the total acquisition task (hamming- and parity-checks, page search and evaluation of header control bits) once per field.

Features
Acquisition
• Feature selection via special function register
• Simultaneous reception of TTX, VPS and WSS
• Fixed framing code for VPS and TTX
• Acquisition during VBI
• Direct access to VBI RAM buffer
• Acquisition of packets X/26, X/27, 8/30 (firmware)
• Assistance of all relevant checks (firmware)
• 1-bit framing code error tolerance (switchable)

Display
• Features selectable via special function register
• 50/60 Hz display
• Level 1 serial attribute display pages
• Blanking and contrast reduction output
• 8 direct addressable display pages for SDA 5250, SDA 5254 and SDA 5255
• 1 direct addressable display page for SDA 5251 and SDA 5252
• 12 × 10 character matrix
• 96 character ROM (standard G0 character set)
• 143 national option characters for 11 languages
• 288 characters for X/26 display
• 64 block mosaic graphic characters
• 32 characters for OSD in expanded character ROM + 32 characters inside OSD box
• Conceal/reveal
• Transparent foreground/background - inside/outside of a box
• Contrast reduction inside/outside of a box
• Cursor (colour changes from foreground to background colour)
• Flash (flash rate 1s)
• Programmable horizontal and vertical sync delay
• Full screen background colour in outer screen
• Double size / double width / double height characters

Synchronization
• Display synchronization to sandcastle or Horizontal Sync (HS) and Vertical Sync (VS) with start-stop-oscillator
• Independent clock systems for acquisition, display and controller

Microcontroller
• 8 bit C500-CPU (8051 compatible)
• 18 MHz internal clock
• 0.33 µs instruction cycle
• Parallel 8-bit data and 16...19 - bit address bus (ROMless-Version)
• Eight 16-bit data pointer registers (DPTR)
• Two 16-bit timers
• Watchdog timer
• Capture compare timer for infrared remote control decoding
• Serial interface (UART)
• 256 bytes on-chip RAM
• 8 Kbyte on-chip display-RAM (access via MOVX) for SDA 5250, SDA 5254 and SDA 5255
• 1 Kbyte on-chip display-RAM (access via MOVX) for SDA 5251 and SDA 5252
• 1 Kbyte on-chip TVT/VPS-Acquisition-buffer-RAM (access via MOVX)
• 1 Kbyte on-chip extended-RAM (access via MOVX) for SDA 5250, SDA 5254 and SDA 5255
• 6 channel 8-bit pulse width modulation unit
• 2 channel 14-bit pulse width modulation unit
• 4 multiplexed ADC inputs with 8-bit resolution
• One 8-bit I/O port with open drain output and optional I2C-Bus emulation (PORT 0)
• Two 8-bit multifunctional I/O ports (PORT 1, PORT 3)
• One 4-bit port working as digital or analog inputs (PORT 2)
• One 2-bit I/O port with optional functions
• One 3-bit I/O port with optional RAM/ROM address expansion up to 512 Kbyte (ROMless-Version)
   – P-SDIP-52-1 Package or P-MQFP-64-1 for ROM-Versions (SDA 5251, SDA 5252, SDA 5254, SDA 5255)
   – P-MQFP-80-1 Package for ROMless-Version (SDA 5250 M)
   – P-LCC-84-2 Package for Emulator-Version (SDA 5250)
   – 5 V Supply Voltage




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