ep9307 Cirrus Logic, Inc., ep9307 Datasheet - Page 36

• Manufacturer Part Number: ep9307
• Description: Arm9 Soc With Ethernet, Usb, Display, And Touchscreen
• Manufacturer: Cirrus Logic, Inc.

EP9307
ARM9 SOC with Ethernet, USB, Display and Touchscreen
AC’97
36
ABITCLK input cycle time
ABITCLK input high time
ABITCLK input low time
ABITCLK input rise/fall time
ASDI setup to ABITCLK falling
ASDI hold after ABITCLK falling
ASDI input rise/fall time
ABITCLK rising to ASDO / ASYNC valid, C
ASYNC / ASDO rise/fall time, C
ABITCLK
ASYNC
ASDO
ASDI
t
clkrf
t
clk_per
t
co
L
Parameter
= 55 pF
t
clk_high
t
clkrf
©
L
= 55 pF
Copyright 2005 Cirrus Logic (All Rights Reserved)
Figure 22. AC ‘97 Configuration Timing Measurement
t
t
clk_low
rfout
t
s
t
t
h
rfout
Symbol
t
t
t
clk_high
clk_per
clk_low
t
t
t
t
rfout
clkrf
rfin
t
t
rfin
t
co
s
h
t
co
Min
36
36
10
10
2
2
2
2
-
Typ
81.4
t
-
-
-
-
-
-
-
-
rfout
Max
45
45
15
6
6
6
-
-
-
t
co
DS667PP4
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns