430 AMD Geode™ SC2200 Processor Data Book
Electrical Specifications
32580B
9.3.13 Audio Interface (AC97)Figure 9-47. AC97 Reset Timing DiagramFigure 9-48. AC97 Sync Timing DiagramTable 9-36. AC Reset Timing Parameters
Symbol Parameter Min Typ Max Unit Comments
tRST_LOW AC97_RST# active low pulse width 1.0 µs
tRST2CLK AC97_RST# inactive to BIT_CLK
startup delay
162.8 ns
AC97_RST#
BIT_CLK
tRST_LOW
tRST2CLK
Table 9-37. AC97 Sync Timing Parameters
Symbol Parameter Min Typ Max Unit Comments
tSYNC_HIGH SYNC active high pulse width 1.3 µs
tSYNC_IA SYNC inactive to BIT_CLK startup
delay
162.8 ns
SYNC
BIT_CLK
tSYNC_HIGH
tSYNC_IA