Memory
? Non-multiplexed 8-bit data and 16 ? 20-bit address bus (ROMless Version)
? Memory banking up to 1Mbyte (Romless version)
? 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
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 Eight Colours for Foreground and Background Colours for 1-bit DRCS and 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 Synchronization in Master or Slave Mode
Acquisition Features
? Multistandard Digital Data Slicer
? Parallel Multi-norm Slicing (TTX, VPS, WSS, CC, G+)
? Four Different Framing Codes Available
? Data Caption only Limited by available Memory
? Programmable VBI-buffer
? Full Channel Data Slicing Supported
? Fully Digital Signal Processing
? Noise Measurement and Controlled Noise Compensation
? Attenuation Measurement and Compensation
? Group Delay Measurement and Compensation
? Exact Decoding of Echo Disturbed Signals
Ports
2
? One 8-bit I/O-port with open drain output and optional IC Bus emulation support (Port 0)
? Two 8-bit multifunction I/O-ports (Port 1, Port 3)
? One 4-bit port working as digital or analog inputs for the ADC (Port 2)
? One 2-bit I/O port with secondary functions (P4.2, 4.3, 4.7)
? One 4-bit I/O-port with secondary function (P4.0, 4.1, 4.4) (Not available in P-SDIP 52)
13.11.MC44608
13.11.1.Description
The MC44608 is a high performance voltage mode controller designed for off-line converters. This high
voltage circuit that integrates the start-up current source and the oscillator capacitor, requires few
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No. 0113 Service Manual |
ACEC
