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参数资料
| 型号： | L64014A |
| 厂商： | LSI CORP |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP144 |
| 封装： | PLASTIC, TQFP-144 |
| 文件页数： | 15/20页 |
| 文件大小： | 196K |
| 代理商： | L64014A |
4
L64014 PCMCIA Bridge
Host Interface
Through this interface, the host can access the L64014 direct and
indexed registers, the L64020 DVD Decoder registers, and the Serial
EEPROM (reading only). The L64014 registers control system
capabilities such as DMA, interrupts, reset, wait, and port enabling.
L64020 DVD Decoder Interface and Control Logic
The DVD Decoder Interface and Control Logic provides access to the
DVD Decoder’s indexed registers and data ports. The interface and
control functions handle register addressing, port enabling, reset, wait,
and interrupt control. The control logic generates the required HREF and
VREF signals for the DVD Decoder. The interrupt control logic receives
interrupt requests from the DVD Decoder and relays them to the Host.
Gamma Correction Look-up Table
The 256 x 8 SRAM contains gamma correction information, which is
arranged as a look-up table. When gamma correction look-up is enabled,
the incoming 8-bit pixel data from the DVD Decoder is used as the
address for the correct SRAM location. Each 8-bit SRAM location
contains gamma corrected video luminance information. The L64014
accesses the information in the look-up table, and sends this information
to the Host in place of the luminance video data that originated from the
L64020.
Serial EEPROM Control Interface
The L64014 uses the I2C two-wire interface to read four bytes of data
from a Serial PROM. The EEPROM contains CIS data. The host can
read or write the data serially and read data in parallel bytes through the
L64014. Typically, CIS transfers are parallel operations, which are
initiated using the PCMCIA Read Attribute Memory command. For
parallel transfers, the L64014 rst reads the data serially from the
EEPROM, assembles it, and then sends it to the host one byte at a time.
相关PDF资料 |
PDF描述 |
|---|---|
| L64015 | SPECIALTY CONSUMER CIRCUIT, PQFP144 |
| L64020XDC | SPECIALTY CONSUMER CIRCUIT, CBGA208 |
| L64020XQC | SPECIALTY CONSUMER CIRCUIT, PQFP160 |
| L64020XBC | SPECIALTY CONSUMER CIRCUIT, PQFP176 |
| L64021HG | SPECIALTY CONSUMER CIRCUIT, PBGA208 |
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