AMD SC2200 User Manual
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
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
delay
162.8
ns
SYNC
BIT_CLK
t
SYNC_HIGH
t
SYNC_IA