BU8332CKV-M Datasheet, PDF (3/29 Pages) Rohm – Directional Microphone Function

BU8332CKV-M
Pin No. Symbol I/O
Function
9
XTLO
O Oscillator output
10
MCLK
I External clock input / Oscillator input
11
PLLVDD
- PLL power supply
12 PLLCAP O PLL filter pin (Recommended 56nF to DVSS)
13
DVSS
- Digital GND
14 PCMOUT O PCM signal output
15
PCMIN
I PCM signal input
16
PCMFS
I PCM frame signal input
17 PCMCLK I PCM clock input
18
DVDDIO
- I/O power supply
19
SCL
I Serial Clock input for 2-wire Host Interface
20
SDA
I/O Serial Data for 2-wire Host Interface (Data input or output)
21
RSTB
I Reset pin (“L” : Power down)
22 TMODE2 I Test pin (Connect to DVSS)
23 TMODE1 I Test pin (Connect to DVSS)
24 TMODE0 I Test pin (Connect to DVSS)
25
AVDD
- Analog power supply
26
AVSS
- Analog GND
27
TMON0
O Test pin (Open)
28 MIC2INN I Analog microphone input (2-)
29 MIC2INP I Analog microphone input (2+)
30
TMON1
O Test pin (Open)
31 MIC1INN I Analog microphone input (1-)
32 MIC1INP I Analog microphone input (1+)
33
COMOUT
O
Analog reference voltage output
(Recommended 1μF to AVSS)
34
COMIN
I Analog reference voltage (Recommended 1μF to AVSS)
35 MICBIAS2 O Microphone bias output2
36 MICBIAS1 O Microphone bias output1
37
BGFLT
O Bias filter pin (Recommended 0.1μF to AVSS)
38 LINEOUT O Line output
39
AVSS
- Analog GND
40
AVDD
- Analog power supply
41
DVDD1
- Digital power supply1 (Direct input)
42
REGON
I To control 1.5V regulator (“L”:OFF, “H”:ON)
43
DVDD2
- Digital power supply2 (Controlled by STBYB)
44
STBYB
I
To control standby
(“L” : Power down, ”H” : Normal)
45
SPICLK
O SPI clock output
46
SPICSB
O SPI chip select output
47
SPIDI
I SPI data input
48
SPIDO
O SPI data output
“H” level is voltage value of DVDDIO, ”L” level is voltage value of DVSS.
Power
supply
system
DVDDIO
DVDDIO
-
PLLVDD
-
DVDDIO
DVDDIO
DVDDIO
DVDDIO
-
DVDDIO
DVDDIO
DVDDIO
DVDDIO
DVDDIO
DVDDIO
-
-
AVDD
AVDD
AVDD
AVDD
AVDD
AVDD
AVDD
AVDD
AVDD
AVDD
AVDD
AVDD
-
-
-
DVDDIO
-
DVDDIO
DVDDIO
DVDDIO
DVDDIO
DVDDIO
I/O equal
circuit
C
C
-
D
-
E
F
F
F
-
J
H
G
F
F
F
-
-
D
D
D
D
D
D
D
D
D
D
D
D
-
-
-
I
B
I
E
E
F
E
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TSZ22111・15・001
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TSZ02201-0V1V0C104570-1-2
2014.10.31 Rev.002