Specifications

74
S1C33 Family S5U1C330C1S Middleware
■ SOFTWARE CONFIGURATION
Application
FAT file system driver
FAT file system format driver
ATA card device driver
Hardware
● ATA Card Device Driver
Use of the compact FLASH and ATA FLASH cards require an ATA card device driver.
● FAT File System Device Driver (supports FAT12 and FAT16)
Permits MS-DOS Ver.6.x compatible file exchange (8 character file names, with three extension characters).
Support for Japanese file names.
API is standard ANSI-like (e.g., fopen() and fred()).
● FAT File System Format Driver
This driver initializes the FAT file system to make it usable in compact FLASH or ATA FLASH.
● FAT File System Processing Speed (reference data)
Measurement conditions:
CPU clock: 40MHz, Bus clock: 20MHz,
ATA register, ROM: wait 1, RAM: wait 0
A 1-MB file is read or 512-byte data is written 2,048 times.
MELCO 8MB compact FLASH RCF-C
Format............................ 0.11s
1MB file read .................. 12.02s
1MB file write ................. 15.63s
EPSON 45MB compact FLASH SECF-A45
Format............................ 0.59s
1MB file read .................. 20.18s
1MB file write ................. 28.38s
∗ This middleware is only available with the IC (S1C33 Family).
This specification may change without notice.