EASY SOUND - EM55000SERIES
TINYCONTROLLER-BASEDSYNTHESIZER
128-key Application Circuit For EM55100~EM55700
VCC
VCC
VDD
VO1
VO
OSCI
Rosc
0.1uF
OSCO
TEST
P33
P32
P31
P30
VSSD
VSSC
P23
P22
P21
P20
P13
P12
P11
P10
10k
10k
10k
D1
D2
D3
VCC
TR1
TR33
TR9
TR17
TR18
TR19
TR20
TR21
TR22
TR23
TR24
TR25
TR26
TR27
TR28
TR29
TR30
TR31
TR32
TR49
TR57
TR41
P1.0
P1.1
P1.2
P1.3
P2.0
P2.1
P2.2
P2.3
TR2
TR3
TR4
TR5
TR6
TR7
TR8
TR10
TR11
TR12
TR13
TR14
TR15
TR16
TR34
TR35
TR36
TR37
TR38
TR39
TR40
TR42
TR43
TR44
TR45
TR46
TR47
TR48
TR50
TR51
TR52
TR53
TR54
TR55
TR56
TR58
TR59
TR60
TR61
TR62
TR63
TR64
P3.0
P3.1
P3.2
P3.3
10k
10k
10k
10k
10k
L9
L12
L14
P3.2
P3.2
P3.3
10k
L16
P3.1
P3.1
P3.0
P3.2
P3.0
P3.3
P3.2
L10
L11
P3.3
P3.1
P3.1
P3.0
10k
10k
L13
L15
P3.3
P3.1
P3.3
P3.2
P3.3
P3.2
P3.0
P3.1
L10
L11
L12
L13
L14
L15
L16
L9
TR65
TR97
TR73
TR81
TR89
TR113
TR121
TR122
TR123
TR124
TR105
TR106
TR107
TR108
TR109
TR110
TR111
TR112
P1.0
TR66
TR67
TR68
TR69
TR70
TR71
TR72
TR74
TR75
TR76
TR77
TR78
TR79
TR80
TR82
TR83
TR84
TR85
TR86
TR87
TR88
TR90
TR91
TR92
TR93
TR94
TR95
TR96
TR98
TR114
TR115
TR116
TR117
TR118
TR119
TR120
P1.1
P1.2
P1.3
P2.0
P2.1
P2.2
P2.3
TR99
TR100
TR101
TR102
TR103
TR104
TR125
TR126
TR127
TR128
* This specification are subject to be changed without notice.
1.23.2002
7
ELAN [ ELAN MICROELECTRONICS CORP ]
