Yamaha EMX62M, Service Manual

Page: 19 / 63

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