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PRELIMINARY
HOST INTERFACE
S3C6400X
RISC MICROPROCESSOR
24-10
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.
NFCON
External
Modem
Modem I/F
Indirect Modem I/F
Direct Modem I/F
ARM
SYSCON
Stepping Stone
M
S
S
GPIO
8KByte
DPRAM
S
SY
STEM
BUS
M
Boot Memory
WDT
OM
(1) Modem release AP Reset : All system except ARM
and WDT go to normal state
(2) Modem write booting code to S.S. Thru Indirect
Host I/F
(3) Modem set boot done field(HOST I/F SFR) to
High
(4) SYSCON release reset to ARM and WDT, so AP
start run
(2)
(3)
(4)
Reset
(1)
WakeUp
Figure
24-10. Modem Boot procedure