Samsung S3C6400X User Manual page 790

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S3C6400X RISC MICROPROCESSOR
Programmer's Model
The registers of HOST Interface are classified into:
1.
Protocol Registers that are accessed through 16-bit Host Interface by modem, and
2.
Special Function Registers that are accessed through SYSTEM bus by the bus master.
By using protocol registers, modem can execute the following operations:
1.
Single transfer (Host Interface)
2.
Burst transfer (Host Interface)
3.
Reading of all address areas of the S3C6400 including Special Function Registers
4.
Writing of all address areas of the S3C6400 including Special Function Registers
5.
Write a 32-bit message into In-Mail box
6.
Read a 32-bit message from Out-Mail box
By using SFR's the following operations are supported:
1.
Write a 32-bit message into Out-Mail box
2.
Read a 32-bit message from In-Mail box
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.
HOST INTERFACE
24-13

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