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13 audio interface (ac97), Figure 9-47, Ac97 reset timing diagram – AMD Geode SC3200 User Manual

Page 410: Figure 9-48, Ac97 sync timing diagram, Table 9-35, Ac reset timing parameters, Table 9-36, Ac97 sync timing parameters

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410

AMD Geode™ SC3200 Processor Data Book

Electrical Specifications

32581C

9.3.13

Audio Interface (AC97)

Figure 9-47. AC97 Reset Timing Diagram

Figure 9-48. AC97 Sync Timing Diagram

Table 9-35. 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 9-36. 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