AK4633 Datasheet, PDF (7/82 Pages) Asahi Kasei Microsystems – 16-Bit Mono CODEC with ALC & MIC/SPK-AMP

ASAHI KASEI
[AK4633]
PIN / FUNCTION
No. Pin Name
1 VCOM
2 AVSS
3 AVDD
4 VCOC
5 PDN
6 CSN
7 CCLK
8 CDTI
9 SDTI
10 SDTO
11 FCK
12 BICK
13 DVDD
14 DVSS
15 MCKI
16 MCKO
17 SPP
18 SPN
19 SVSS
20 SVDD
21 AOUT
22 BEEP
MICN
23 MPI
24 MIC
MICP
I/O
Function
Common Voltage Output Pin, 0.45 x AVDD
O
Bias voltage of ADC inputs and DAC outputs.
- Analog Ground Pin
- Analog Power Supply Pin
Output Pin for Loop Filter of PLL Circuit
O
This pin should be connected to AVSS with one resistor and capacitor in series.
Power-Down Mode Pin
I
“H”: Power up, “L”: Power down reset and initialize the control register.
AK4633 should always be reset upon power-up.
I Chip Select Pin
I Control Data Clock Pin
I/O Control Data Input Pin / Output pin
I Audio Serial Data Input Pin
O Audio Serial Data Output Pin
I/O Frame Clock Pin
I/O Audio Serial Data Clock Pin
- Digital Power Supply Pin
- Digital Ground Pin
I External Master Clock Input Pin
O Master Clock Output Pin
O Speaker Amp Positive Output Pin
O Speaker Amp Negative Output Pin
- Speaker Amp Ground Pin
- Speaker Amp Power Supply Pin
O Mono Line Output Pin
I Beep Signal Input Pin
(MDIF bit = “0”)
I Microphone Negative Input Pin for Differential Input
(MDIF bit = “1”)
O MIC Power Supply Pin for Microphone
I Microphone Input Pin for Single Ended input
(MDIF bit = “0”)
I Microphone Positive Input Pin for Differential Input
(MDIF bit = “1”)
Note: All input pins except analog input pins (MIC/MICP and BEEP/MICN pins) should not be left floating.
MS0447-E-03
-7-
2006/04