SDA5252-2 查看數據表（PDF） - Siemens AG

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SDA5252-2

ICs for Consumer Electronics

Siemens AG 

SDA 525X-2

– Conceal/reveal

– Transparent foreground/background - inside/outside of a box

– Contrast reduction inside/outside of a box

– Cursor (color changes from foreground to background color)

– Flash (flash rate 1s, not depending on field rate)

– Programmable horizontal and vertical sync delay

– Full screen background color in outer screen

– Double size/double width/double height characters

• Synchronization:

– Display synchronization to sandcastle or Horizontal Sync (HS)

and Vertical Sync (VS)

• Microcontroller:

– 8 bit C500-CPU (8051 compatible)

– CPU-clock 18 MHz, external 6-MHz-crystal

– 333 ns 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

– 256 bytes on-chip RAM

– 8 KByte on-chip display-RAM (access via MOVX) SDA 5250-2, SDA 5254-2 to

SDA 5257-2 (optional 10 Kbyte)

– 1 Kbyte on-chip display-RAM (access via MOVX) for SDA 5251-2 to SDA 5253-2

– 1 Kbyte on-chip ACQ-buffer-RAM (access via MOVX)

– 1 Kbyte on-chip extended-RAM (access via MOVX) for SDA 5250-2 and

SDA 5254-2 to SDA 5257-2

– 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

– Two 8-bit multifunctional I/O ports

– One 4-bit port working as digital or analog inputs

– 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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