Denon AVR-X7200W Service Manual page 206

AK4490EQ(DAC : U4012 - U4018)
AK4490EQ Pin Function
No. Pin Name
1 NC
2 PDN
BICK
3 DCLK
BCK
SDATA
4 DSDL
DINL
LRCK
5 DSDR
DINR
SSLOW
6
WCK
SMUTE
7
CSN
SD
8 CCLK
SCL
SLOW
9 CDTI
SDA
DIF0
10
DZFL
DIF1
11
DZFR
DIF2
12
CAD0
13 PSN
14 I2C
15 DEM0
Note: All input pins except internal pull-up/down pins must not be left floating.
MS1648-J-03
AK4490EQ 40 +85 C
AKD4490 AK4490
I/O
No internal bonding.
-
Connect to GND.
Power-Down Mode Pin
I When at L , the AK4490 is in power-down mode and is held in reset.
MS1648-J-03
The AK4490 must always be reset upon power-up.
I Audio Serial Data Clock Pin in PCM Mode
I DSD Clock Pin in DSD Mode
I Audio Serial Data Clock Pin
I Audio Serial Data Input Pin in PCM Mode
I DSD Lch Data Input Pin in DSD Mode
I Lch Audio Serial Data Input Pin
I L/R Clock Pin in PCM Mode
I DSD Rch Data Input Pin in DSD Mode in Serial Control Mode
I Rch Audio Serial Data Input Pin in Serial Control Mode
I Digital filter setting in Parallel Control Mode
I Word Clock input pin in Serial Control Mode
Soft Mute Pin in Parallel Control Mode
I When this pin is changed to H , soft mute cycle is initiated.
When returning L , the output mute releases.
I Chip Select Pin in Serial Control Mode, I2C= L
I Digital filter setting in Parallel Control Mode
I Control Data Clock Pin in Serial Control Mode, I2C= L
I Control Data Clock Pin in Serial Control Mode, I2C= H
I Digital filter setting in Parallel Control Mode
I Control Data Input Pin in Serial Control Mode, I2C= L
I/O Control Data Clock Pin in Serial Control Mode, I2C= H
I Digital Input Format 0 Pin in PCM Mode
O Lch Zero Input Detect Pin in Serial Control Mode
I Digital Input Format 1 Pin in PCM Mode
O Rch Zero Input Detect Pin in Serial Control Mode
I Digital Input Format 2 Pin in PCM Mode
I Chip Address 0 Pin in Serial Control Mode
Parallel or Serial Select Pin
I
L : Serial Control Mode, H : Parallel Control Mode
I I2C mode select pin in Serial mode (Internal pull-down pin)
I De-emphasis Enable 0 Pin in Parallel Control Mode (Internal pull-up pin)
48pin LQFP (0.5mm pitch)
Function
- 5 -
(Internal pull-up pin)
206
- 6 -
[AK4490]
2014/11
2014/11