Yamaha AO8 Service Manual page 16

AO8
YM3436DK (XG948E0) DIR2 (Digital Format Interface Receiver)
PIN
NAME I/O
NO.
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 64 Bit clock output
8 WC O FS x 1 Word clock output
9 MCB O Fs x 128 Bit clock output
10 MCA O Fs x 256 Bit clock output
11 SKSY I Clock synchronization control input
12 XI I Crystal oscillator connection or external
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
12
FUNCTION
PIN
NAME I/O
NO.
23 RSTN I System reset input
24 Vdda VCO section power (+5V)
25 CTLN I VCO control input N
26 PCO O PLL phase comparison output
27 (NC)
28 CTLP I VCO control input P
29 Vssa VCO section power (GND)
30 TSTN I Test terminal. Open for normal use
31 KM2 I Clock mode switching input 2
32 KM0 I Clock mode switching input 0
33 FS1 O Channel status sampling frequency
display output 1
34 FS0 O Channel status sampling frequency
display output 0
35 CSM I Channel status output method selection
36 EXTW I External synchronous auxiliary input
word clock
37 DDIN I EIAJ (AES/EBU) data input
38 LR O PLL word clock output
39 Vdd Logic section power (+5 V)
40 ERR O Data error flag output
41 EMP O Channel status emphasis control code
output
42 CD0 O 3-wire type microcomputer interface data
output
43 CCK I 3-wire type microcomputer interface clock
input
44 CLD I 3-wire type microcomputer interface load
input
IFC3: IC301 to 303, 401 to 403
FUNCTION