8. MICROCONTROLLER SDA55XX
8.1. General Features
? Feature selection via special function register
? Simultaneous reception of TTX, VPS, PDC, and WSS (line 23)
? Supply Voltage 2.5 and 3.3 V
? ROM version is used.
8.2. External Crystal and Programmable Clock Speed
? Single external 6MHz crystal, all necessary clocks are generated internally
? CPU clock speed selectable via special function registers.
? Normal Mode 33.33 MHz CPU clock, Power Save mode 8.33 MHz
8.3. Microcontroller Features
? 8bit 8051 instruction set compatible CPU.
? 33.33-MHz internal clock (max.)
? 0.360 ?s (min.) instruction cycle
? Two 16-bit timers
? Watchdog timer
? Capture compare timer for infrared remote control decoding
? Pulse width modulation unit (2 channels 14 bit, 6 channels 8 bit)
? ADC (4 channels, 8 bit)
? UART (rxd, txd)
8.4. Memory
? Up to 128 Kilobyte on Chip Program ROM
? Eight 16-bit data pointer registers (DPTR)
? 256-bytes on-chip Processor Internal RAM (IRAM)
? 128bytes extended stack memory.
? Display RAM and TXT/VPS/PDC/WSS-Acquisition-Buffer directly accessible via MOVX
? UP to 16KByte on Chip Extended RAM (XRAM) consisting of;
- 1 Kilobyte on-chip ACQ-buffer-RAM (access via MOVX)
- 1 Kilobyte on-chip extended-RAM (XRAM, access via MOVX) for user software
- 3-Kilobyte Display Memory
8.5. Display Features
? ROM Character set supports all East and West European Languages in single device
? Mosaic Graphic Character Set
? Parallel Display Attributes
? Single/Double Width/Height of Characters
? Variable Flash Rate
? Programmable Screen Size (25 Rows x 33...64 Columns)
? Flexible Character Matrixes (HxV) 12 x 9...16
? Up to 256 Dynamical Redefinable Characters in standard mode; 1024 Dynamical Redefinable Characters
in Enhanced Mode
? CLUT with up to 4096 colour combinations
? Up to 16 Colours per DRCS Character
? One out of 8 Colours for Foreground and Background Colours for 1-bit DRCS and ROM Characters
8.6. ROM Characters
? Shadowing
? Contrast Reduction
? Pixel by Pixel Shiftable Cursor With up to 4 Different Colours
? Support of Progressive Scan and 100 Hz.
? 3 X 4Bits RGB-DACs On-Chip
? Free Programmable Pixel Clock from 10 MHz to 32MHz
? Pixel Clock Independent from CPU Clock
? Multinorm H/V-Display Synchronisation in Master or Slave Mode
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ACEC
TOSHIBA
