Harman Kardon AVR7000 Service Manual page 118

AVR7000
[AK5352]
No.
1 AINR+
2 AINR-
3 VREF
4 VA
5 AGND
6 AINL+
7 AINL-
8 TST1
10
TST2
11 TST3
14 TST4
9 HPFE
12 VD
13 DGND
16 PD
17 MCLK
18 SCLK
19 LRCK
20 FSYNC
/1
Pin Name I/O
I Right channel analog positive input pin
I Right channel analog negative input pin
O Voltage Reference output pin
Normally connected to VA with a 0.1uF ceramic capacitor in
parallel with a 10uF electrolytic capacitor.
- Analog section Analog Power Supply, +5V
- Analog section Analog Ground
I Left channel analog positive input pin
I Left channel analog negative input pin
Test pin
Should be left floating.
I High Pass Filter Enable pin
"H": ON
"L": OFF
- Digital section Digital Power Supply pin, +5V
- Digital section Digital Ground pin
I Power Down pin
I Master Clock input pin
I/O Serial Data Clock pin
I/O L/R Channel Clock Select pin
I/O Frame Synchronization Signal pin
PIN/FUNCTION
"L" brings the device into power-down mode. Must be done
once after power-on.
CMODE="H" : 384fs
CMODE="L" : 256fs
Data is clocked out at the falling edge of SCLK.
Slave mode: 64fs clock is input usually.
Master mode: SCLK outputs a 64fs clock.
SCLK stays low during the power-down mode(PD="L").
Slave mode: An fs clock is fed to this LRCK pin.
Master mode: LRCK output an fs clock.
LRCK goes "H" at SMODE2="L" and "L" at SMODE2="H"
during reset when SMODE1 "H".
Slave mode: When "H", data bits are clocked out on SDATA.
2
As I S slave mode ignores FSYNC, it should hold "L" or
"H".
Master mode: FSYNC outputs 2fs clock.
Stay low during the power-down mode(PD="L").
118
-
FUNCTION
(VA-2.6V)
(Pull-down pin)
(Pull-up pin)
harman/kardon