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MT9126
Preliminary Information
8-52
Figure 14 - Serial Port Timing
Figure 15 - ST-BUS Timing for External Signal Generation
AC Electrical Characteristics
- ST-BUS C2o Conversion
Voltages are with respect to ground (V
SS
) unless otherwise stated.
Characteristics
Sym
Min
Typ
Max
Units
Test Conditions
1
Delay MCLK falling to C2o rising
t
D1
t
D2
100
ns
150pF//1K Load
2
Delay MCLK falling to Enable
100
ns
150pF//1K Load
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t
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BCLK
ENB1
or
ENB2
PCMi/ADPCMi
MCLK
F0i
S
S
I
S
T
-
B
U
S
t
BCP
t
BCH
t
BCL
t
SSS
t
DIH
t
DSH
t
DD
t
AHZ
t
DSD
t
H
t
F0iH
t
L
t
DFD
V
IH
V
IL
V
IH
V
IL
V
IH
V
IL
V
OH
V
OL
V
IHC
V
ILC
V
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V
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t
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V
OH
V
OL
t
F0iS
t
DFW
F0od
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F0i
MCLK
(C4i)
C2o
EN1
EN2
t
D2
t
D2
V
IH
V
IL
V
IHC
V
ILC
V
OH
V
OL
V
OH
V
OL