Compact Flash 4 series

AP-CFxxxxA5XS-XXXXXX

3

© 2009 Apacer Technology Inc.

Rev. 1.1

1. General Description

Apacer’s Compact Flash 4 offers the most reliable and high performance storage which is compatible with

CF Type I and Type II devise. Unlike the others, Apacer Compact Flash 4 provides solid traceability to

ensure all products HW/SW are the same as you qualified.

Apacer’s Compact Flash 4 complies with the interfaces, such as the commands, timings, and protocols

based on the Compact Flash Specification (CFA standard), and operates as the PC Card ATA interface

providing complete PCMCIA - ATA functionality and compatibility. Apacer ‘s Compact Flash 4 is designed

for use in Point of Sale (POS) terminals, telecom, IP-STB, medical instruments, surveillance systems,

industrial PCs and handheld applications.

1.1 Performance-Optimized Controller

Compact Flash 4 Controller translates standard CF signals into flash media data and control signals.

1.1.1 FIFO Buffer

Compact Flash 4 Controller performs as an FIFO buffer to optimize the host’s data transfer to and from

the flash media for reliable storage via performing data correction and moving data to another block in

case of the correctable error.

1.1.2 Error Correction Code (ECC)

Compact Flash 4 adopts Error Detection Code (EDC) and Error Correction Code (ECC) algorithms which

correct up to 8/15 random single-bit errors for each 512-byte block of data.

High performance is achieved through hardware-based error detection and correction.