User's Manual

Table Of Contents
SYSTEM CONTROLLER S3C2450X RISC MICROPROCESSOR
2-18
Wake-up event
ARM Down Req. & Ack.
ARMCLK
SYSCLK
DRAM Self Refresh
Req. & Ack.
PWR_EN
SLEEP mode is initiated
CKE (DRAM)
BUS Down Req. & Ack.
Figure 2-12. Entering SLEEP Mode and Exiting SLEEP Mode (wake-up)