Preliminary
CF CONTROLLER
S3C2451X RISC MICROPROCESSOR
8-4
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
Specifications and information herein are subject to change without notice.
PC Card Controller Block Diagram
A top-level block diagram of the PC card controller is shown below in Figure 8-2.
PC card controller Block
HRDATA
HWDATA
ADDR
nWE,nOE
nIOWR, nIORD
nREG
WDATA
11
16
nCE1, nCE2
nWAIT
nCD
Write_dir
32
32
RDATA
AHB ADDR
&
AHB Control signal
Main
Controller
Data
Buffer
&
Controller
16
Top
Controller
Special
Function
Register
Address
decoder
Address
&
Command
buffer
32
32
Figure 8-2. PC Card Controller Top Block Diagram