Sony ST-S3 - Page 24

24
ST-S3
• DSP BOARD IC605 AK4527 (A/D, D/A CONVERTER)
Pin No. Pin Name I/O Description
1
SDOS I
Audio serial data source selection signal input terminal
“L”: internal ADC output, “H”: DAUX input (fixed at “L” in this set)
2 I2C I
Serial control mode selection signal input terminal “L”: 3-wire serial, “H”: I2C bus
3 SMUTE I
Soft muting on/off signal input from the system controller (IC501) “L”: muting on
4 BICK I
Bit clock signal (2.8224 MHz) input from the CXD9617R (IC601)
5 LRCK I
L/R sampling clock (44.1 kHz) signal input from the CXD9617R (IC601)
6 to 8 SDTI1 to SDIT3 I
Audio serial data input from the CXD9617R (IC601)
9 SDTO O
Audio serial data output to the CXD9617R (IC601)
10 DAUX I
Audio serial data input terminal Not used (fixed at “L”)
11
DFS I
Double speed sampling mode signal input terminal
“L”: normal speed, “H”: double speed (fixed at “L” in this set)
12
DEM1 I
De-emphasis signal input terminal Fixed at “L” in this set
13
DEM0 I
De-emphasis signal input terminal Fixed at “H” in this set
14
TVDD —
Power supply terminal (+5V) (for output buffer )
15
DVDD —
Power supply terminal (+5V) (digital system)
16
DVSS —
Ground terminal (digital system)
17
PDN I
Power down and reset signal input from the M61512FP (IC607) “L”: power down and reset
18 to 20 ICKS2 to ICKS0 I
Input clock signal selection terminal Fixed at “L” in this set
21, 22
CAD1, CAD0 I
Chip address signal input terminal Not used (fixed at “L”)
23
LOUT3 O
Analog signal output for center to the M61512FP (IC607)
24
ROUT3 O
Analog signal output for sub woofer to the M61512FP (IC607)
25
LOUT2 O
Analog signal output for surround L-ch to the M61512FP (IC607)
26
ROUT2 O
Analog signal output for surround R-ch to the M61512FP (IC607)
27
LOUT1 O
Analog signal output for front L-ch to the M61512FP (IC607)
28
ROUT1 O
Analog signal output for front R-ch to the M61512FP (IC607)
29
LIN– I
L-ch analog signal negative input from the M61512FP (IC607)
30
LIN+ I
L-ch analog signal positive input from the M61512FP (IC607)
31
RIN– I
R-ch analog signal negative input from the M61512FP (IC607)
32
RIN+ I
R-ch analog signal positive input from the M61512FP (IC607)
33
DZF2 O
Zero input detection terminal Not used (open)
34
VCOM O
Common voltage output terminal
Large external capacitor is used to reduce power supply noise
35
VREFH I
Reference voltage (+5V) input terminal
36
AVDD —
Power supply terminal (+5V) (analog system)
37
AVSS —
Ground terminal (analog system)
38
DZF1 O
Zero input detection terminal Not used (open)
39
MCLK I
Master clock signal input from the CXD9617R (IC601)
40
P/S I
Parallel/serial selection signal input terminal
“L”: serial control mode, “H”: parallel control mode (fixed at “H” in this set)
41
DIF0 I
Audio data interface format terminal Fixed at “L” in this set
42
DIF1 I
Audio data interface format terminal Fixed at “H” in this set
43, 44
LOOP0, LOOP1 I
Loop back mode setting terminal Fixed at “L” in this set