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SDA525X-2 Datasheet, PDF (5/23 Pages) Siemens Semiconductor Group – ICs for Consumer Electronics | |||
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SDA 525X-2
â Conceal/reveal
â Transparent foreground/background - inside/outside of a box
â Contrast reduction inside/outside of a box
â Cursor (color changes from foreground to background color)
â Flash (flash rate 1s, not depending on field rate)
â Programmable horizontal and vertical sync delay
â Full screen background color in outer screen
â Double size/double width/double height characters
⢠Synchronization:
â Display synchronization to sandcastle or Horizontal Sync (HS)
and Vertical Sync (VS)
⢠Microcontroller:
â 8 bit C500-CPU (8051 compatible)
â CPU-clock 18 MHz, external 6-MHz-crystal
â 333 ns instruction cycle
â Parallel 8-bit data and 16 ⦠19-bit address bus (ROMless-Version)
â Eight 16-bit data pointer registers (DPTR)
â Two 16-bit timers
â Watchdog timer
â Capture compare timer for infrared remote control decoding
â 256 bytes on-chip RAM
â 8 KByte on-chip display-RAM (access via MOVX) SDA 5250-2, SDA 5254-2 to
SDA 5257-2 (optional 10 Kbyte)
â 1 Kbyte on-chip display-RAM (access via MOVX) for SDA 5251-2 to SDA 5253-2
â 1 Kbyte on-chip ACQ-buffer-RAM (access via MOVX)
â 1 Kbyte on-chip extended-RAM (access via MOVX) for SDA 5250-2 and
SDA 5254-2 to SDA 5257-2
â 6 channel 8-bit pulse width modulation unit
â 2 channel 14-bit pulse width modulation unit
â 4 multiplexed ADC inputs with 8-bit resolution
â One 8-bit I/O port with open drain output and optional I2C-Bus emulation
â Two 8-bit multifunctional I/O ports
â One 4-bit port working as digital or analog inputs
â One 3-bit I/O port with optional RAM/ROM address expansion up to 512 Kbyte
(ROMless-Version)
⢠P-SDIP-52-1/P-MQFP-64-1 package for ROM-Versions (SDA 5251-2 to
SDA 5253-2, SDA 5254-2 to SDA 5257-2)
⢠P-MQFP-80-1 package for ROMless-Version (SDA 5250M-2)
⢠P-LCC-84-2 package for Emulator-Version (SDA 5250-2)
⢠5 V supply voltage
Semiconductor Group
5
1998-10-08
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