14 audio interface timing (ac97), Figure 9-48, Ac97 reset timing diagram – AMD Geode SC1201 User Manual
Page 427: Figure 9-49, Ac97 sync timing diagram, Table 9-38, Ac reset timing parameters, Table 9-39, Ac97 sync timing parameters
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AMD Geode™ SC1200/SC1201 Processor Data Book
427
Electrical Specifications
32579B
9.3.14
Audio Interface Timing (AC97)
Figure 9-48. AC97 Reset Timing Diagram
Figure 9-49. AC97 Sync Timing Diagram
Table 9-38. AC Reset Timing Parameters
Symbol
Parameter
Min
Typ
Max
Unit
Comments
t
RST_LOW
AC97_RST# active low pulse width
1.0
µs
t
RST2CLK
AC97_RST# inactive to BIT_CLK
startup delay
162.8
ns
AC97_RST#
BIT_CLK
t
RST_LOW
t
RST2CLK
Table 9-39. AC97 Sync Timing Parameters
Symbol
Parameter
Min
Typ
Max
Unit
Comments
t
SYNC_HIGH
SYNC active high pulse width
1.3
µs
t
SYNC_IA
SYNC inactive to BIT_CLK startup
delay
162.8
ns
SYNC
BIT_CLK
t
SYNC_HIGH
t
SYNC_IA
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