S3C2416X RISC MICROPROCESSOR
SYSTEM
CONTROLLER
2-19
6.3 WAKE-UP
EVENT
When S3C2416 wakes up from the STOP Mode by an External Interrupt, a RTC alarm interrupt and other
interrupts, the PLL is turned on automatically. The initial-state of S3C2416 after wake-up from the SLEEP Mode is
almost the same as the Power-On-Reset state except for the contents of the external DRAM is preserved. In
contrast, S3C2416 automatically recovers the previous working state after wake-up from the STOP Mode. The
following table shows the states of PLLs and internal clocks after wake-ups from the power-saving modes.
Table 2-7. The Status of PLL and ARMCLK After Wake-up
Mode before
wake-up
PLL on/off after
wake-up
SYSCLK after wake-up
and before the lock time
SYSCLK after the lock
time by internal logic
IDLE
Unchanged
PLL output
PLL output
STOP
PLL state ahead of
entering STOP mode
(PLL ON or not)
PLL reference clock
SYSCLK ahead of entering
STOP mode
(PLL output or not)
SLEEP
Off
PLL reference clock
PLL reference(input) clock
6.4 OUTPUT PORT STATE AND STOP AND SLEEP MODE
Refer to GPIO chapter.
Содержание S3C2416
Страница 33: ...S3C2416X RISC MICROPROCESSOR PRODUCT OVERVIEW 1 5 3 BLOCK DIAGRAM Figure 1 1 S3C2416X Block Diagram ...
Страница 38: ...PRODUCT OVERVIEW S3C2416X RISC MICROPROCESSOR 1 10 153 AIN 1 U14 195 EINT 10 GPG2 K15 237 SDATA 14 C18 ...
Страница 122: ...BUS MATRIX EBI S3C2416X RISC MICROPROCESSOR 3 4 NOTES ...
Страница 204: ...DMA CONTROLLER S3C2416X RISC MICROPROCESSOR 8 18 NOTES ...
Страница 284: ...WATCHDOG TIMER S3C2416X RISC MICROPROCESSOR 11 6 NOTES ...
Страница 320: ...REAL TIME CLOCK S3C2416X RISC MICROPROCESSOR 13 16 NOTES ...
Страница 344: ...UART S3C2416X RISC MICROPROCESSOR 14 24 NOTES ...
Страница 380: ...USB2 0 DEVICE S3C2416X RISC MICROPROCESSOR 16 34 NOTES ...
Страница 432: ...2D S3C2416X RISC MICROPROCESSOR 18 38 NOTES ...
Страница 446: ...HS_SPI CONTROLLER S3C2416X RISC MICROPROCESSOR 19 14 NOTES ...
Страница 455: ...S3C2416X RISC MICROPROCESSOR HSMMC CONTROLLER 20 9 4 9 SD COMMAND ISSUE SEQUENCE Figure 20 9 Timeout Setting Sequence ...
Страница 604: ...S3C2416X RISC MICROPROCESSOR S3C2416X RISC MICROPROCESSOR 23 22 NOTES ...
Страница 638: ...PCM AUDIO INTERFACE S3C2416X RISC MICROPROCESSOR 25 18 NOTES ...
Страница 653: ...S3C2416X RISC MICROPROCESSOR ELECTRICAL DATA 26 15 Figure 26 14 SDRAM READ WRITE Timing Trp 2 Trcd 2 Tcl 2 DW 16 bit ...
Страница 670: ...ELECTRICAL DATA S3C2416X RISC MICROPROCESSOR 26 32 NOTES ...
Страница 672: ...MECHANICAL DATA S3C2416X RISC MICROPROCESSOR 30 2 Figure 27 2 330 FBGA 1414 Package Dimension 2 Bottom View ...