SDA5250 Datasheet, PDF (6/143 Pages) Siemens Semiconductor Group – TVTEXT 8-Bit Microcontroller

SDA 525x
• 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
Semiconductor Group
6
1998-04-08