¡ Semiconductor

ML54053

2/22

1. FEATURES

• Single chip controller with internal microcontroller (min. 4 cycles/instruction execution)

• Operating voltage: 3.3 V, Interface voltage: 3.3 V/5 V

• Internal 256B RAM for card information structure (CIS) storage

• Conforms to CompactFlash specification

• Auto-sleep mode support

• True IDE Mode support

• ECC system by BCH code (3-bit random error correction is possible for user data and ECC data)

• Substitute control function (defect management function)

• Debug mode support

• High-speed operation via dual port bus control

• Low power consumption due to single chip controller

• Control of four NAND flash memories (64MB to 512MB) is possible

• 120-pin TQFP package

(TQFP120-P-1414-0.40-K)

2. BLOCK DIAGRAM

Host I/F

PCMCIA

ATA

NAND

Flash

Bus

CompactFlash

I/F

CIS

Media I/F

ECC

Internal RAM

MPU

RAM

ROM

External

CPU Bus