ml7074-001ga Oki Semiconductor, ml7074-001ga Datasheet - Page 3

• Manufacturer Part Number: ml7074-001ga
• Description: Speech Codec
• Manufacturer: Oki Semiconductor

CONTENTS
DESCRIPTION .................................................................................................................................................................1
FEATURES.......................................................................................................................................................................1
APPLICATIONS................................................................................................................................................................1
BLOCK DIAGRAM ...........................................................................................................................................................2
PIN ASSIGNMENT (TOP VIEW) .....................................................................................................................................3
PIN DESCRIPTIONS .......................................................................................................................................................4
ABSOLUTE MAXIMUM RATINGS ..................................................................................................................................6
RECOMMENDED OPERATING CONDITIONS..............................................................................................................6
ELECTRICAL CHARACTERISTICS................................................................................................................................7
PIN FUNCTION DESCRIPTIONS .................................................................................................................................16
SELECTABLE VOIP ENVIRONMENT CONFIGURATION EXAMPLES......................................................................23
APPLICATION CIRCUIT EXAMPLE..............................................................................................................................26
PACKAGE DIMENSIONS ..............................................................................................................................................27
Oki Semiconductor
DC Characteristics .......................................................................................................................................................7
Analog Interface ...........................................................................................................................................................7
AC Characteristics .......................................................................................................................................................8
AIN0N, AIN0P, GSX0, AIN1N, GSX1 ........................................................................................................................16
VFRO0, VFRO1 .........................................................................................................................................................16
AVREF ........................................................................................................................................................................17
XI, XO .........................................................................................................................................................................17
PDNB..........................................................................................................................................................................17
DV
DGND0, DGND1, DGND2, AGND ............................................................................................................................18
TST0, TST1, TST2, TST3..........................................................................................................................................18
INTB............................................................................................................................................................................18
A0 to A7......................................................................................................................................................................19
D0 to D15 ...................................................................................................................................................................19
CSB ............................................................................................................................................................................19
RDB ............................................................................................................................................................................19
WRB ...........................................................................................................................................................................19
FR0B (DMARQ0B).....................................................................................................................................................19
FR1B (DMARQ1B).....................................................................................................................................................19
ACK0B........................................................................................................................................................................20
ACK1B........................................................................................................................................................................20
GPI0, GPI1 .................................................................................................................................................................20
GPO0, GPO1 .............................................................................................................................................................20
CLKSEL......................................................................................................................................................................20
SYNC..........................................................................................................................................................................20
BCLK ..........................................................................................................................................................................20
PCMO .........................................................................................................................................................................21
PCMI...........................................................................................................................................................................21
Analog I/F Mode.........................................................................................................................................................23
PCM I/F Mode ............................................................................................................................................................24
Mutual Conversion of G.729.A to G.726 and Vice-Versa .........................................................................................25
DD
0, DV
DD
1, DV
DD
2, AV
DD
.......................................................................................................................................17
ML7074-001GA