SDA 525X-2

Semiconductor Group

6

1998-10-08

3

Block Diagram

Figure 1

Differences compared to SDA 525x according to preliminary specification 06/96:

1. UART is not supported.

2. RGB-outputs deliver a current instead of a voltage.

3. Instead of FIL1SLC/FIL2SLC/FIL3SLC only FIL3 is needed with changed external

device dimensions.

4. LCIN and LCOUT are not needed any more.

UES09854

C500

CPU

(8051-comp.)

incl.

Timer 0/1

256 Kbyte

Management

Unit

(MMU)

Memory

Extended

1 Kbyte

Data

RAM

ROM

Memory

Program

VBI Buffer

1 Kbyte

Dual Port

Interface

Interface

RAM

Display

Dual Port

Display

Generator

Display

ROM

448*12*10

Timing

Character

Acquisition

PWM

ADC

Watchdog

Timer

Capture

Timer

Compare

TTX, VPS

Slicer

TTC

TTD

R

B

COR

G

BLAN

2)

3)

4)

Only ROMless-version

2)

Only SDA 5250-2 and

3)

8 K (opt. 10 K) byte for SDA 5250-2

4)

8 K for SDA 5254-2 to SDA 5257-2

1 Kbyte for SDA 5251-2 and SDA 5252-2

SDA 5254-2 to SDA 5257-2

1)