Pioneer C-AX10 Service Manual page 100

C-AX10
DF1704E (DSP ASSY : IC1902, IC2002)
• Digital Filter
•
Block Diagram
BCKIN
LRCIN
DIN
MD/CKO
MC/LRIP
ML/RESV
MODE
MUTE
RST
DEM
•
Pin Function
No. Pin Name I/O
1 DIN I Serial audio data input
2 BCKIN I Bit clock input for serial audio data
3 IIS I Format selection of input audio data
4 IW0 I Word selection of input audio data
5 IW1 I Word selection of input audio data
6 XTI I Connect an oscillator or external clock input
7 XTO O Oscillator output
−
8 Vss Ground
9 CLKO O Buffer output of system clock
10 MODE I Mode control selection ( H: Software mode, L: hardware mode)
11 MD/CKO I Mode control, data / 1/2 divided clock selection
12 MC/LRIP I Mode control, clock / LRCIN polarity selection
13 ML/RESV I Mode control, latch, clock / Not used
14 RST I Reset
15 MUTE I Mute control
16 DEM I Deemphasis control
17 SF0 I Deemphasis
18 SF1 I Deemphasis
19 OW0 I Data word selection of output audio
20 OW1 I Data word selection of output audio
−
21 NC Non connection
−
22 VDD Power supply +5V
23 DOR O Serial audio data output of R ch
24 DOL O Serial audio data output of L ch
25 WCKO O Word clock output for serial audio data output
26 BCKO O Bit clock output for serial audio data output
27 SRO I Filter characteristic selection
28 LRCIN I L/R clock input (fs)
100
IIS IW0 IW1
3 4 5
2
Serial
28 8X Oversampling
Input
Digital Filter
I/F
1
with
Fuction
Controller
11
12
13
Mode
10 Control
I/F
SCK
15
14
Crystal OSC
16
17 18 27 6
SF0SF1 SRO XTI
It becomes reset state during this pin is L.
Sampling rate selection
Sampling rate selection
OW0 OW1
20
19
26
25
Output
I/F
24
23
Power Supply
22
7 9 8
XTO CLKO VDD Vss
Pin Function
BCKO
WCKO
DOL
DOR