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PRELIMINARY
S3C6400X RISC MICROPROCESSOR
HOST INTERFACE
24-1
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.
24
HOST INTERFACE
Overview
The Host Interface block in the S3C6400X supports indirect access of the external host device (Ex: Modem
Chip).
By the selected host interface protocol, the following operations are supported:
z
Read of a 16-bit protocol register
z
Write of a 16-bit protocol register
z
Single Write on the SFR/memory in the system memory map
z
Single Read from the SFR/memory in the system memory map
z
Burst Write on the SFR/memory in the system memory map
z
Burst Read from the SFR/memory in the system memory map
z
Repeated Burst Write on the SFR/memory in the system memory map
Figure 24-1 32-bit Protocol Register Access by Using Two 16-bit Read/Write