EASY SOUND -
EM55000 SERIES
TINYCONTROLLER-BASEDSYNTHESIZER
128-key Application Circuit For EM55100~EM55700
VCC
VCC
VDD
OSCI
VO1
VO
inary
Prelim
Rosc
0.1uF
OSCO
TEST
VSSD
VSSC
P33
P32
P31
P30
P23
P22
P21
P20
P13
P12
P11
P10
10k
VCC
D1
D2
10k
D3
10k
TR1
TR9
TR17
TR25
TR33
TR41
TR49
TR57
TR2
TR10
TR18
TR26
TR34
TR42
TR50
TR58
P1.0
TR3
TR11
TR19
TR27
TR35
TR43
TR51
TR59
P1.1
TR4
TR12
TR20
TR28
TR36
TR44
TR52
TR60
P1.2
TR5
TR13
TR21
TR29
TR37
TR45
TR53
P1.3
TR61
TR6
TR14
TR22
TR30
TR38
TR46
TR54
TR62
P2.0
TR7
TR15
TR23
TR31
TR39
TR47
TR55
TR63
P2.1
TR8
TR16
TR24
TR32
TR40
TR48
TR56
TR64
P2.2
P2.3
P3.0
P3.1
P3.2
P3.3
10k
L9
P3.2
P3.1
P3.2
P3.1
10k
L12
P3.3
P3.2
10k
L14
10k
L16
P3.3
P3.2
10k
L10
P3.3
P3.1
P3.0
P3.0
P3.1
L15
P3.3
P3.0
P3.2
10k
L13
P3.3
10k
L11
P3.1
10k
P3.3
P3.2
P3.0
L10
L11
L12
P3.1
L13
L14
L15
L16
L9
TR65
TR73
TR81
TR89
TR97
TR105
TR113
TR121
P1.0
TR66
TR74
TR82
TR90
TR98
TR106
TR114
TR122
P1.1
TR67
TR75
TR83
TR91
TR99
TR107
TR115
TR123
P1.2
TR68
TR76
TR84
TR92
TR100
TR108
TR116
TR124
P1.3
TR69
TR77
TR85
TR93
TR101
TR109
TR117
TR125
P2.0
TR70
TR78
TR86
TR94
TR102
TR110
TR118
TR126
P2.1
TR71
TR79
TR87
TR95
TR103
TR111
TR119
TR127
P2.2
TR72
TR80
TR88
TR96
TR104
TR112
TR120
TR128
P2.3
* This specification are subject to be changed without notice.
1.23.2002
7
EMC [ ELAN MICROELECTRONICS CORP ]
