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SDA5254 Datasheet(PDF) 6 Page - Siemens Semiconductor Group |
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SDA5254 Datasheet(HTML) 6 Page - Siemens Semiconductor Group |
6 / 143 page SDA 525x Semiconductor Group 6 1998-04-08 • 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 I 2C-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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