User's Manual

Table Of Contents
S3C2450X RISC MICROPROCESSOR vii
Table of Contents (Continued)
Chapter 8 CF Controller
1 Overview ................................................................................................................................................... 8-1
1.1 Features...........................................................................................................................................8-1
1.2 Signal description ............................................................................................................................ 8-2
1.3 Block Diagram .................................................................................................................................8-3
1.4 Timing Diagram ...............................................................................................................................8-6
1.5 Special Function Registers..............................................................................................................8-8
2 Individual Register Descriptions ............................................................................................................... 8-11
2.1 MUX_REG Register ........................................................................................................................8-11
2.2 PCCARD Configuration & Status Register......................................................................................8-12
2.3 PCCARD Interrupt Mask & Source Register................................................................................... 8-13
2.4 PCCARD_ATTR Register ...............................................................................................................8-14
2.5 PCCARD_I/O Register ....................................................................................................................8-14
2.6 PCCARD_COMM Register ............................................................................................................. 8-15
2.7 ATA_CONTROL Register ...............................................................................................................8-16
2.8 ATA_STATUS Register ...................................................................................................................8-16
2.9 ATA_COMMAND Register ..............................................................................................................8-17
2.10 ATA_SWRST Register .................................................................................................................. 8-18
2.11 ATA_IRQ Register.........................................................................................................................8-18
2.12 ATA_IRQ_MASK Register ............................................................................................................8-19
2.13 ATA_CFG Register........................................................................................................................ 8-20
2.14 ATA_PIO_TIME Register .............................................................................................................. 8-22
2.15 ATA_XFR_NUM Regis
ter
..............................................................................................................8-22
2.16 ATA_XFR_CNT Register ..............................................................................................................8-22
2.17 ATA_TBUF_START Register........................................................................................................ 8-23
2.18 ATA_TBUF_SIZE Register............................................................................................................8-23
2.19 ATA_SBUF_START Register........................................................................................................ 8-24
2.20 ATA_SBUF_SIZE Register ...........................................................................................................8-24
2.21 ATA_CADDR_TBUF Register.......................................................................................................8-25
2.22 ATA_CADDR_SBUF Register.......................................................................................................8-25
2.23 ATA_PIO_DTR Register ...............................................................................................................8-25
2.24 ATA_PIO_FED Register................................................................................................................8-26
2.25 ATA_PIO_SCR Register ............................................................................................................... 8-26
2.26 ATA_PIO_LLR Register ................................................................................................................ 8-26
2.27 ATA_PIO_LMR Register ............................................................................................................... 8-27
2.28 ATA_PIO_LMR Register ............................................................................................................... 8-27
2.29 ATA_PIO_DVR Register ............................................................................................................... 8-27
2.30 ATA_PIO_CSD Register ............................................................................................................... 8-28
2.31 ATA_PIO_DAD Register ............................................................................................................... 8-28
2.32 ATA_PIO_RDATA Register........................................................................................................... 8-28
2.33 BUS_FIFO_STATUS Register ...................................................................................................... 8-29
2.34 ATA_FIFO_STATUS Register....................................................................................................... 8-29