msm7584c Oki Semiconductor, msm7584c Datasheet - Page 25

• Manufacturer Part Number: msm7584c
• Description: Pi /4 Shift Qpsk Modem/adpcm Codec
• Manufacturer: Oki Semiconductor

¡ Semiconductor
Digital Interface Characteristics (CODEC)
Digital Output Delay Time
PCM, ADPCM Interface
Serial Port Digital I/O
Timing Characteristics
EXCK Clock Frequency
Parameter
Symbol
t
t
t
t
SDXC,
XDC1,
XDC2,
XDC3,
F
t
t
t
t
t
t
t
t
t
t
t
t
C10
C11
C12
exck
C1
C2
C3
C4
C5
C6
C7
C8
C9
t
t
t
t
SDRC
RDC1
RDC2
RDC3
Cload = 50 pF
pull-up resistor: 500 W
Items in parenthesis
mean Cload = 10 pF, and
the pull-up resistor £ 2 kW
Cload = 50 pF
EXCK
Condition
Reference
Fig. 8
Fig. 9
—
(V
DD
= 2.7 V to 3.6 V, Ta = –25°C to +70°C)
Min.
100
200
50
50
50
50
50
50
50
50
—
0
0
0
0
0
0
Typ.
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
200 (100)
200 (100)
200 (100)
200 (100)
Max.
MSM7584C
100
—
—
—
—
—
—
—
—
—
50
—
10
25/57
Unit
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns