msm7718-01 Oki Semiconductor, msm7718-01 Datasheet - Page 16

• Manufacturer Part Number: msm7718-01
• Description: Echo Canceler With Adpcm Codec
• Manufacturer: Oki Semiconductor

¡ Semiconductor
Digital Interface Characteristics
PCM/ADPCM Output Timing
Note : The timing for PCMADO, PCMLNO, and PCMACO shown above reperesents the timing
BCLKP
SYNCP
PCMPCO
PCMADO
PCMLNO
PCMACO
BCLKA
SYNCA
IS
Digital Output Delay Time
PCM, ADPCM Interface
Serial Port
Digital Input/Output
Setting Time
Shift Clock Frequency
when time slot 1 is selected.
Parameter
t
t
0
0
XS
t
XS
t
SDX
SDX
t
t
XO
XO
t
t
t
SX
t
SX
1
XD1
1
XD1
MSB
MSB
t
t
t
t
Symbol
SDX
XD1
XD2
XD3
t
t
t
f
t
t
t
t
t
t
t
t
t
t
t
t
M10
M11
M12
ECK
2
2
XD2
XD2
WS
M1
M2
M3
M4
M5
M6
M7
M8
M9
, t
, t
, t
, t
SDR
RD1
RD2
RD3
1LSTTL+100 pF
pull-up resistance : 500 W
Values in parentheses apply when
Cload = 10 pF,
pull-up resistance :£2 kW
Cload=100 pF
EXCK
3
3
Condition
4
4
LSB
5
5
t
XD3
6
6
(V
Min.
100
100
50
20
20
50
50
50
50
50
—
DD
0
0
0
0
0
0
7
7
= 2.7 to 3.6 V, Ta= –25 to +70°C)
Typ.
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
8
8
t
XD3
LSB
200 (100)
200 (100)
200 (100)
200 (100)
Max.
MSM7718-01
—
—
—
—
—
—
—
—
—
—
—
—
10
9
9
10
10
16/38
Unit
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns