Yamaha D24 Service Manual page 29

D24
YM3437C-F (XM530A00) DIT2 (Digital Format Interface Transmitter)
PIN
NAME I/O
NO.
1 Vss Ground
2 MCLK I Master clock input
3 DM0 I DIN/BCLK/WCLK format select
4 DM1 I DM1,DM0=0,0 DSP,LDSP (64 bit,LSB first)
DM1,DM0=0,1stereo,DSP (64 bit,MSB first)
DM1,DM0=1,0 DSP2 (128 bit,MSB first)
DM1,DM0=1,1 BB (64 bit,MSB first)
5 RES I System reset
6 WCIN I Word clock input
7 DIN I Digital audio serial data input
8 V Power supply (+5 V)
DD
YM6029 (XH746A00) DPB (Digital Patch-Bay)
PIN
NAME I/O
NO.
1 SO3 O
Signal outputs that are selected
2 SO2 O
by Patch-Bay
3 SO1 O
(channel 0-3)
4 SO0 O
5 Vss
Ground
6 SI7 I
7 SI6 I
8 SI5 I
Patch-Bay connection
9 SI4 I
signal input
10 SI3 I
(channel 0-7)
11 SI2 I
12 SI1 I
13 SI0 I
14 NC
15 NC
16 Vss
Ground
17 PA7 I/O
18 PA6 I/O
Parallel I/O port A
19 PA5 I/O
20 PA4 I/O
21 NC
22 NC
23 PA3 I/O
24 PA2 I/O
Parallel I/O port A
25 PA1 I/O
26 PA0 I/O
27 PB3 I/O
28 PB2 I/O
Parallel I/O port B
29 PB1 I/O
30 PB0 I/O
31 /SYW I
Synch signal for patch-Bay control
Patch-Bay connection change at
the falling edge of this clock.
32 V
DD Power supply
33 MCLK I
Master clock
34 Vss
Ground
35 D0 I/O
36 D1 I/O
37 D2 I/O
Data bus
38 D3 I/O
39 D4 I/O
40 D5 I/O
29
FUNCTION
FUNCTION
PIN
NAME I/O
NO.
9 MUTE I Mute
10 VFL I Validity flag
11 CCK I C,U bit clock input/C bit data input
12 CIN I C,U bit data input/U bit data input
13 CLD I End of C,U bit input/16,20 bit/24 bit select
14 CNTR I 32 bit counter reset/Top of block
15 CSM I Channel status input mode select
CSM=0 Asynchronous mode
CSM=1 Synchronous mode
16 DOUT O Digital interface formatted data output
PIN
NAME I/O
NO.
41 D6 I/O Data bus
42 D7 I/O Data bus
43 NC
44 NC
45 /WT I Writ strove
46 /RD I Read strove
47 A0 I
48 A1 I Register select
49 A2 I
50 /CE I Chip enable
51 NC
52 NC
53 Vss
54 SB0 I/O
55 SB1 I/O
56 SB2 I/O
57 Vss
58 SB3 I/O
Patch-Bay connection
59 SB4 I/O
signal input
60 Vss
/Signal outputs that are
61 SB5 I/O
selected by Patch-Bay
62 SB6 I/O
63 SB7 I/O
64 Vss
65 SB8 I/O
66 SB9 I/O
67 Vss Ground
68 /IRQ I Interrupt request
69 /RESET I Reset
70 Vss Ground
71 XCLK I Synch signal for serial output
72 V Power supply
DD
73 /CRS O Serial line clear control
74 CDO O Serial data output port
75 CDI I Serial data input port
76 Vss Ground
77 SO7 O
Signal outputs that are selected
78 SO6 O
by Patch-Bay
79 SO5 O
(channel 4-7)
80 SO4 O
MAIN: IC144
FUNCTION
MAIN: IC138
FUNCTION