Yamaha MDX-E100 Service Manual page 33

IC703 : YM3436DK
DIR (Digital Format Interface Receiver)
DAUX 1
HDLT 2
3
DOUT
VFL 4
OPT 5
SYNC 6
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
33 FS1
32 KM0
EXTW
31
KM2
30 TSTN
29 V
a
SS
28 CTLP
D DIN
27 (N.C.)
ERR
CSM
26 PCO
EMP
25 CTLN
FS1
FS0
24 V
a
DD
23 RSIN
Pin
Function
No.
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
32 29 24 26 28 25 17 38 15 14 13
36
SEL PLL
37
EIAJ (AES/EBU)
40
DIGITAL AUDIO
35
41 INTERFACE
33 DECODER
34
S/P
SERIAL INTERFACE
44 43 42 1 18 19
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
MDX-E100
12 31 22 11 23
MCA
10
SYSTEM MCB
9
CLOCK WC
8
MCC
TIMING 7
SYNC
GENERATOR 6
OPT
5
DATA CLOCK
CONTROLLER
4 VFL
3 D OUT
BUFFER
P/S DOM1
20
DOM0
21
2 16 39 30
Function
32