Harman hk3490, Service Manual, Page: 86 / 108

ASAHI KASEI [AK4589]
MS0339-E-00 2004/09
PIN/FUNCTION
No. Pin Name I/O Function
1 INT1 O Interrupt 1 Pin
2
BOUT O
Block-Start Output Pin for Receiver Input
“H” during first 40 flames.
3 TVDD - Output Buffer Power Supply Pin, 2.7V
∼ 5.25V
4 DVDD - Digital Power Supply Pin, 4.75V
∼ 5.25V
5 DVSS - Digital Ground Pin
6 XTO O X'tal Output Pin
7 XTI I X'tal Input Pin
8 TEST3 I Test 3 Pin
This pin should be connected to DVSS.
9 MCKO2 O Master Clock Output 2 Pin
10 MCKO1 O Master Clock Output 1 Pin
11 COUT O C-bit Output Pin for Receiver Input
12 UOUT O U-bit Output Pin for Receiver Input
13 VOUT O V-bit Output Pin for Receiver Input
14 SDTO2 O Audio Serial Data Output Pin (DIR/DIT part)
15 BICK2 I/O Audio Serial Data Clock Pin (DIR/DIT part)
16 LRCK2 I/O Channel Clock Pin (DIR/DIT part)
17 SDTO1 O Audio Serial Data Output Pin (ADC/DAC part)
18 BICK1 I/O Audio Serial Data Clock Pin (ADC/DAC part)
19 LRCK1 I/O Input Channel Clock Pin
20 CDTO O Control Data Output Pin in Serial Mode, I2C= “L”.
CCLK I Control Data Clock Pin in Serial Mode, I2C= “L”
21 SCL
I Control Data Clock Pin in Serial Mode, I2C= “H”
CDTI I Control Data Input Pin in Serial Mode, I2C= “L”.
22 SDA
I/O Control Data Pin in Serial Mode, I2C= “H”.
I Chip Select Pin in Serial Mode, I2C= “L”.
23 CSN
I This pin should be connected to DVSS, I2C= “H”.
24 DAUX1 I AUX Audio Serial Data Input Pin (ADC/DAC part)
25 SDTI4 I DAC4 Audio Serial Data Input Pin
26 SDTI3 I DAC3 Audio Serial Data Input Pin
27 SDTI2 I DAC2 Audio Serial Data Input Pin
28 SDTI1 I DAC1 Audio Serial Data Input Pin
29 XTL1 I X’tal Frequency Select 0 Pin
30 XTL0 I X’tal Frequency Select 1 Pin
86
HK3490
harman/kardon
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