Ic Data - Yamaha AV-S77 Service Manual

AV-S77
I IC DATA
IC3 : YM3436DK
DIR ( Digital Format Interface Receiver )
DAUX 1
2
HDLT
DOUT 3
VFL 4
OPT 5
6
SYNC
MCC 7
WC 8
MCB 9
MCA 10
SKSY 11
Pin Pin
I/O
No. Name
1 DAUX I Auxiliary input for audio data
2 HDLT O Asynchronous buffer operation flag
3 DOUT O Audio data output
4 VFL O Parity flag output
5 OPT O Fs x 1 Synchronous output signal for DAC
6 SYNC O Fs x 1 Synchronous output signal for DSP
7 MCC O Fs x 64Bit clock output
8 WC O Fs x 1Word clock output
9 MCB O Fs x 128Bit clock output
10 MCA O Fs x 256Bit clock output
11 SKSY I Clock synchronization control input
Crystal oscillator connection or external
12 XI I
clock input
13 XO O Crystal oscillator connection
14 P256 O VCO oscillating clock connection
15 LOCK O PLL lock flag
16 Vss Logic section power (GND)
17 TC O PLL time constant switching output
18 DIM1 I Data input mode selection
19 DIM0 I Data input mode selection
20 DOM1 I Data output mode selection
21 DOM0 I Data output mode selection
22 KM1 I Clock mode switching input 1
23 RSTN I System reset input
24 Vdda VCO section power (+5V)
25 CTLN I VCO control input N
17
32
EXTW
36
33 FS1
SEL
32
KM0
31 KM2
30 TSTN
29 V
a
SS
D DIN
37
28
CTLP
EIAJ (AES/EBU)
ERR
40
DIGITAL AUDIO
27 (N.C.) CSM
35
EMP
41
26 PCO
FS1
33
25 CTLN
FS0
34
24 V a
DD
23 RSIN
SERIAL INTERFACE
44
Pin
Function
No.
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
29 24 26 28 25 17 38 15 14 13 12 31
PLL
GENERATOR
DATA CLOCK
CONTROLLER
INTERFACE
DECODER
S/P
BUFFER
43 42 1 18 19 2
Pin
I/O
Name
PCO O PLL phase comparison output
(NC)
CTLP I VCO control input P
Vssa VCO section power (GND)
TSTN I Test terminal. Open for normal use
KM2 I Clock mode switching input 2
KM0 I Clock mode switching input 0
Channel status sampling frequency display
FS1 O
output 1
Channel status sampling frequency display
FS0 O
output 0
CSM I Channel status output method selection
External synchronous auxiliary input word
EXTW I
clock
DDIN I EIAJ (AES/EBU) data input
LR O PLL word clock output
Vdd Logic section power (+5V)
ERR O Data error flag output
Channel status emphasis control code out-
EMP O
put
3-wire type microcomputer interface data
CD0 O
output
3-wire type microcomputer interface clock
CCK I
input
3-wire type microcomputer interface load
CLD I
input
22 11 23
MCA
10
MCB
SYSTEM
9
CLOCK WC
8
MCC
TIMING
7
SYNC
6
OPT
5
VFL
4
D OUT
3
P/S 20 DOM1
DOM0
21
16 39 30
Function