Harman Kardon AVR225 Service Manual page 59

AVR225
D/A CONVERTER IC PIN FUNCTION (AK4356VQ) : IC78
No. Pin Name
1 LOUT1-
2 LOUT1+
3 DZFL2
4 DZFR1
5 DZFL1
6 CAD0
7 CAD1
8 PDN
9 BICK
10 MCLK
11 DVDD
12 DVSS
13 SDTI1
14 SDTI2
15 SDTI3
16 LRCK
17 SMUTE
18 CCLK
19 CDTI
20 CSN
PIN/FUNCTION
I/O
O DAC1 Lch Negative Analog Output Pin
O DAC1 Lch Positive Analog Output Pin
O DAC2 Lch Zero Input Detect Pin
O DAC1 Rch Zero Input Detect Pin
O DAC1 Lch Zero Input Detect Pin
I Chip Address 0 Pin
I Chip Address 1 Pin
I Power-Down & Reset Pin
When "L", the AK4356 is powered-down and the control registers are reset to
default state. If the state of CAD0-1 changes, then the AK4356 must be reset by PDN.
I Audio Serial Data Clock Pin
I Master Clock Input Pin
-
Digital Power Supply Pin, +4.75~+5.25V
- Digital Ground Pin
I DAC1 Audio Serial Data Input Pin
I DAC2 Audio Serial Data Input Pin
I DAC3 Audio Serial Data Input Pin
I Audio Input Channel Clock Pin
I Soft Mute Pin
When this pin goes to "H", soft mute cycle is initialized.
When returning to "L", the output mute releases.
I Control Data Clock Pin
I Control Data Input Pin
I Chip Select Pin
This pin should be held to "H" except for access.
Function
(Note)
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