AK4621 AKM [Asahi Kasei Microsystems], AK4621 Datasheet - Page 5

• Manufacturer Part Number: AK4621
• Description: 24-Bit 192kHz Stereo Audio CODEC
• Manufacturer: AKM [Asahi Kasei Microsystems]

Note 1. All digital input pins (P/S, MCLK, LRCK, BICK, SDTI, CDTI/CKS0, CCLK/CKS1, CSN/DIF, DFS0, PDN,
MS1258-E-01
No.
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
1
2
3
4
5
6
7
8
9
DEM0 and SDFIL) must not be left floating.
Pin Name
VCOM
AINR+
AINR-
AINL+
AINL-
VREF
VSS1
AVDD
P/S
MCLK
LRCK
BICK
SDTO
SDTI
OVFR
DZFR
OVFL
DZFL
CDTI
CKS0
CCLK
CKS1
CSN
DIF
DFS0
PDN
DEM0
SDFIL
TVDD
DVDD
VSS2
AOUTL-
AOUTL+
AOUTR-
AOUTR+
I/O
O
O
O
O
O
O
O
O
O
O
I
I
-
I
I
I
I
I
I
I
I
-
I
I
I
-
I
I
I
I
I
I
I
-
-
Common Voltage Output Pin, (AVDD)/2
Rch Positive Input Pin
Rch Negative Input Pin
Lch Positive Input Pin
Lch Negative Input Pin
Voltage Reference Input Pin, AVDD
Analog Ground Pin
Analog Power Supply Pin, 4.75 ∼ 5.25V
Parallel/Serial Mode Select Pin
Master Clock Input Pin
Input/Output Channel Clock Pin
Audio Serial Data Clock Pin
Audio Serial Data Output Pin
Audio Serial Data Input Pin
Rch Over Flow Flag Pin (in Parallel mode or when ZOS bit=“0” in Serial Mode)
Rch Zero Detection Flag Pin (when ZOS bit=“1” in Serial Mode)
Lch Over Flow Flag Pin (in Parallel mode or when ZOS bit=“0” in Serial Mode)
Lch Zero Detection Flag Pin (when ZOS bit=“1” in Serial Mode)
Control Data Input Pin (in Serial Mode)
Master Clock Select Pin (in Parallel Mode)
Control Data Clock Pin (in Serial Mode)
Master Clock Select Pin (in Parallel Mode)
Chip Select Pin in Serial Mode (in Serial Mode)
Digital Audio Interface Select Pin (in Parallel Mode)
Double Speed Sampling Mode Pin
Power-Down Mode Pin
De-emphasis Control Pin
Digital Filter Select Pin
Digital I/O Power Supply Pin, DVDD ∼ 5.25V
Digital Power Supply Pin, 3.0 ∼ 3.6V
Digital Ground Pin
Lch Negative Analog Output Pin
Lch Positive Analog Output Pin
Rch Negative Analog Output Pin
Rch Positive Analog Output Pin
Bias voltage of ADC inputs and DAC outputs.
Used as a voltage reference by ADC & DAC. VREF is connected externally to filtered
AVDD.
“L”: Serial Mode, “H”: Parallel Mode
Do not change this pin during PDN pin = “H”.
“L”: 24bit MSB justified, “H”: I2S compatible
“L”: Power down reset and initialize the control register, “H”: Power up
“L”: Short Delay Sharp Roll Off Filter (ADC), Short Delay Sharp Roll Off Filter (DAC)
“H”: Sharp Roll Off Filter (ADC), Sharp Roll Off Filter (DAC)
PIN/FUNCTION
- 5 -
Function
[AK4621]
2011/01