S3C2416X RISC MICROPROCESSOR
AC97
CONTROLLER
24-11
7 AC97 CONTROLLER STATE DIAGRAM
IDLE
INIT
READY
ACTIVE
LP
WARM
1
2
: ACLINK_ON
: CODEC_READY & TRANS_DATA & NORMAL_SYNC
: PCLK rising
1
: ~CODEC_READY | ~TRANS_DATA
: POWER_DOWN
: WARM_RESET
: !ACLINK_ON
5
: CODEC_WAKEUP
5
4
3
6
8
7
6
7
8
2
3
4
9
9
9
9
9
9
: COLD_RESET | ~PRESETn
Figure 24-9. AC97 State Diagram
This is the state diagram of AC97 controller. It is helpful to understand AC97 controller state machine. State
above figure is synchronized by peripheral clock (PCLK). It is able to monitor state at AC_GLBSTAT register.
Summary of Contents for S3C2416
Page 122: ...BUS MATRIX EBI S3C2416X RISC MICROPROCESSOR 3 4 NOTES ...
Page 204: ...DMA CONTROLLER S3C2416X RISC MICROPROCESSOR 8 18 NOTES ...
Page 284: ...WATCHDOG TIMER S3C2416X RISC MICROPROCESSOR 11 6 NOTES ...
Page 320: ...REAL TIME CLOCK S3C2416X RISC MICROPROCESSOR 13 16 NOTES ...
Page 344: ...UART S3C2416X RISC MICROPROCESSOR 14 24 NOTES ...
Page 380: ...USB2 0 DEVICE S3C2416X RISC MICROPROCESSOR 16 34 NOTES ...
Page 432: ...2D S3C2416X RISC MICROPROCESSOR 18 38 NOTES ...
Page 446: ...HS_SPI CONTROLLER S3C2416X RISC MICROPROCESSOR 19 14 NOTES ...
Page 604: ...S3C2416X RISC MICROPROCESSOR S3C2416X RISC MICROPROCESSOR 23 22 NOTES ...
Page 638: ...PCM AUDIO INTERFACE S3C2416X RISC MICROPROCESSOR 25 18 NOTES ...
Page 670: ...ELECTRICAL DATA S3C2416X RISC MICROPROCESSOR 26 32 NOTES ...