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430 AMD Geode™ SC2200 Processor Data Book
Electrical Specifications
32580B
9.3.13 Audio Interface (AC97)
Figure 9-47. AC97 Reset Timing Diagram
Figure 9-48. AC97 Sync Timing Diagram
Table 9-36. 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 9-37. 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