ASAHI KASEI
[AK4651]
Microphone Analog Output Pin
Microphone Detect Pin (Internal pull down by 500kΩ) (RNMD bit = “0”)
G8
Rch Line Input Pin (RNMD bit = “1”)
MIC Power Supply Pin for External Microphone (LNMP bit = “0”)
H9
Lch Line Input Pin (LNMP bit = “1”)
External Microphone Input Pin (Single-ended Input: MDIF bit = “0”)
G9
Microphone Positive Input Pin (Differential Input: MDIF bit = “1”)
Internal Microphone Input Pin (Single-ended Input: MDIF bit = “0”)
F8
Microphone Negative Input Pin (Differential Input: MDIF bit = “1”)
F9
MIC Power Supply Pin for Internal Microphone
E8
Mono AUX Negative Input Pin
E9
Mono AUX Positive Input Pin
D8
MIC Power Supply Reference Voltage Output Pin
Common Voltage Output Pin
D9 VCOM
O
Bias voltage of ADC inputs and DAC outputs.
C8 AVSS2
-
Analog Ground 2 Pin
C9 AVDD2
-
Analog Power Supply 2 Pin
B9 BEEP
I
Mono Beep Signal Input Pin
No Connect Pin
A9 NC
-
No internal bonding. This pin should be open or connected to the ground.
Output 1 Pin for Loop Filter of PLL Circuit
A8 VCOC1
O
This pin should be connected to DVSS with a resistor (10kΩ) and a capacitor
(4.7nF) in series.
Output 1 Pin for Loop Filter of PLL Circuit
B8 VCOC2
O
This pin should be connected to DVSS with a resistor (10kΩ) and a capacitor
(4.7nF) in series.
Note: All input pins except analog input pins should not be left floating (XTI/MCKI, PLL0, SDATAOUT, SYNC,
RESETN and PLL1 pins).
No.
J8
Pin Name
MICOUT
MDT
RIN
MPE
LIN
EXT
MIC+
INT
MIC−
MPI
AUXIN−
AUXIN+
MVREF
I/O
O
I
I
O
I
I
I
I
I
O
I
I
O
Function
MS0503-E-00
-6-
2006/04
AKM [ ASAHI KASEI MICROSYSTEMS ]
