AK7755EN_16 Datasheet, PDF (104/109 Pages) Asahi Kasei Microsystems – DSP with Mono ADC Stereo CODEC + Mic/Lineout Amp

[AK7755]
7. I2CSEL pin = “H”, EXTEEP pin = “H”, MATSEL pin = “H”, LDOE pin = “L”
CLOCK
&
Audio I/F
1
1
1
1
1
Digital Core 1.2V
10
0.1
9
8
7
16
CLKO
BICK
LRCK
SDOUT1
I2CSEL ³
LDOE ²³
19
EXTEEP
MATSEL ²⁰
5
4
SDIN1
SDIN2
31
IN4/INN2
32 _IN3/INP2
33 _IN2/INN1
34
IN1/INP1
35 _LIN
AK7755
24
DVDD
SCL ¹⁸
17
SDA
STO/RDY ⁶
MAT0 ¹⁵
MAT1 ¹⁴
PDN ²²
OUT1 ²⁸
OUT2 ²⁶
OUT3 ²⁷
VCOM ¹
“H”
“L”
“H”
“H”
uP
RESET
CONTROL
1
1
1
2.2
EEPROM
1Mbit
Digital IO 1.8～3.3V
10
0.1
12
TVDD
13,25 _DVSS
21,29,36
AVDD
10 0.1
AVSS ^2,30
Rd
XTO ¹⁰
XTI ¹¹
Analog +3.3V
CL=22pF/15pF
CL=22pF/15pF
Figure 85. I²C Interface Connection with External Power Supply and EEPROM (Mat Select ON)
8. I2CSEL pin = “H”, EXTEEP pin = “H”, MATSEL pin = “H”, LDOE pin = “H”
CLOCK
&
Audio I/F
1
1
1
1
1
1
9
8
7
16
CLKO
BICK
LRCK
SDOUT1
I2CSEL ³
LDOE ²³
19
EXTEEP
MATSEL ²⁰
5
4
SDIN1
SDIN2
31
IN4/INN2
32 _IN3/INP2
33 _IN2/INN1
34 _IN1/INP1
35 _LIN
AK7755
24
AVDRV
SCL ¹⁸
SDA ¹⁷
STO/RDY ⁶
MAT0 ¹⁵
MAT1 ¹⁴
PDN ²²
OUT1 ²⁸
OUT2 ²⁶
OUT3 ²⁷
VCOM ¹
“H”
“H”
“H”
“H”
uP
EEPROM
1Mbit
RESET
CONTROL
1
1
1
2.2
Digital IO 1.8～3.3V
10
0.1
12
TVDD
13,25 _DVSS
21,29,36
AVDD
10 0.1
2,30
AVSS
Analog +3.3V
Rd
XTO ¹⁰
XTI ¹¹
CL=22pF/15pF
CL=22pF/15pF
Figure 86. I²C Interface Connection with Internal LDO and EEPROM (Mat Select ON)
014006643-E-00
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2014/10