Lsi Pin Description - Yamaha EMX62M Service Manual

LSI PIN DESCRIPTION

YSS234 (XN299A00) Digital Sound Processor
PIN
NAME I/O
NO.

1 MD4 I/O


2 MD3 I/O


3 MD0 I/O

4 MD1 I/O 

5 MD2 I/O 
6 MCKO O
7 XO O
8 XI I

9 ER0 I

10 ER1 I


11 ER2 I


12 REV0 I

13 REV1 I 

14 REV2 I

15 MUTEN I
16 ICN I
17 PRG I
18 MODE I
19 VSS -
20 AVSS -
21 CVA -
22 AORL O
23 AORR O
24 CHL I
25 AIL I
26 VDD -
27 AIR I
28 CHR I
29 AOFL O
30 AOFR O
31 AVDD -
32 CVB I
FUNCTION
External RAM interface data
Master clock output
Crystal oscillator connection
Crystal oscillator connection
Eary refrection preset select
Effect select
DC D+5V
Initial clear
DC D+5V
Preset mode (H=DC +5V)
Ground
Ground
N.C.
N.C.
N.C.
Sample hold capacitor connection
Lch ADC input
DC D+5V
Rch ADC input
Sample hold capacitor connection
Lch DAC output
Rch DAC output
DC A+5V
Rch midpoint voltage
PIN
NAME I/O
NO.
33 AVDD -
34 VDD -
35 TST0 -
36 TST1 -
37 DOEN -
38 SDO1 O
39 SDO0 O
40 WC O
41 BCO O
42 MA0 O
43 MA1 O
44 MA2 O
45 MA3 O
46 MA4 O
47 MA5 O
48 MA6 O
49 MA7 O
50 MA12 O
51 MA14 O
52 VSS -
53 MA10 O
54 MA011 O
55 MA09 O
56 MA8 O
57 MA13 O
58 VDD -
59 WEN I
60 OEN I
61 CEN I
62 MD7 I/O
63 MD6 I/O
64 MD5 I/O
EMX62M
MIX62: IC507
FUNCTION
DC A+5Vs bus
DC D+5V
DC D+5V
DC D+5V
DC D+5V
N.C.
N.C.
N.C.
N.C










External RAM interface address








Ground




 External RAM interface address




DC D+5V
Write enable
Output enable
Chip select


External RAM interface data



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