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參數(shù)資料
| 型號： | COD0418X |
| 元件分類： | Codec |
| 英文描述： | COD0418X Sigma-Delta Voice CODEC|Data Sheet |
| 中文描述： | COD0418XΣ-Δ語音編解碼器|數(shù)據(jù)資料 |
| 文件頁數(shù)： | 2/15頁 |
| 文件大小： | 548K |
| 代理商： | COD0418X |
SEC ASIC
cod0408x_r1
Voice Band Signal Interface
ANALOG
CORE PIN DIAGRAM
PIN NAME
Type
I/O Type
FUNCTION
Power Pins
VDD25A1
P
Analog Power Supply 1 (2.5V)
VSSA1
G
Analog Ground 1
VDD25A2
P
Analog Power Supply 2 (2.5V)
VSSA2
G
Analog Ground 2
VDD18A3
P
Digital Power Supply 3 (1.8V)
VSSA3
G
Digital Ground 3
Analog Pins
MIC1P
AI
Mic Input 1 Positive
MIC1N
AI
Mic Input 1 Negative
MIC2P
AI
Mic Input 2 Positive
MIC2N
AI
Mic Input 2 Negative
MIC3
AI
Mic Input 3 (Single Input)
AOUT1P
AO
Differential Output 1 Positive
AOUT1N
AO
Differential Output 1 Negative
AOUT2P
AO
Differential Output 2 Positive
AOUT2N
AO
Differential Output 2 Negative
AOUT3
AO
Single Output
VREF
AO
Reference Output
IREF
AO
Analog Current Control
FILTER
AO
PLL Loop Filter Control
Digital Pins
SOUT
DO
ADC Serial Data Ouput
SIN
DO
DAC Serial Data Input
IMCLK
DI
Master Clock Input
( If CLKDIR="L", IMCLK="L". If CLKDIR="H", IMCLK is Active (=2.048MHz) )
IFSYNC
DI
Frame Sync Pulse Input
( If CLKDIR="L", IFSYNC="L". If CLKDIR="H", IFSYNC is Active )
CLKDIR
DI
Master Clock /Frame Sync Pulse Active Direction Control Clock
( If CLKDIR="L", OMCLK / OFSYNC is Active State.
If CLKDIR="H", IMCLK / IFSYNC is Active State)
OMCLK
DO
Master Clock Output
( If CLKDIR="L", OMCLK is Active.(=2.048MHz) If CLKDIR="H", OMCLK="L" )
OFSYNC
DO
Frame Sync Pulse Output
( If CLKDIR="L", OFSYNC is Active. If CLKDIR="H", OFSYNC="L" )
RSTB
DI
Power-On-Reset and Reset Control Input (Low Active)
CSB
DI
Chip Select (Low Active)
WRB
DI
Write Enable (Low Active)
RDB
DI
Read Enable (Low Active)
A[8:0]
DI
Control Register Address
D[7:0]
DB
Control Register Data Input (WR is Enabled)
Control Register Data Output (RD is Enabled)
PLLMCLK
DI
PLL Input Clock (=10MHz)
I/ O TYPE ABBR.
AI
DI
AO : Analog Output
DO : Digital Output
AB : Analog Bidirectional
DB : Digital Bidirectional
AP : Analog Power
AG : Analog Ground
DP : Digital Power
DG : Digital Ground
: Analog Input
: Digital Input
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