UPD7759C 데이터 시트보기 (PDF) - NEC => Renesas Technology
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UPD7759C Datasheet PDF : 18 Pages
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PIN CONFIGURATION (Top View)
• 40-pin plastic DIP
ASD5
1
ASD6
2
ASD7
3
I0
4
I1
5
I2
6
I3
7
I4
8
I5
9
I6
10
I7
11
AEN/ WR
12
SAA
13
DRQ
14
ALE
15
REF
16
AVO
17
BUSY
18
RESET
19
GND
20
40
VDD
39
ASD4
38
ASD3
37
ASD2
36
ASD1
35
ASD0
34
A8
33
A7
32
A6
31
A5
30
A4
29
A3
28
A2
27
A1
26
A0
25
CS
24
X2
23
X1
22
ST
21
MD
µPD7759
• 52-pin plastic QFP
NC
A0
A1
A2
A3
A4
NC
A5
A6
A7
A8
ASD0
NC
39 38 37 36 35 34 33 32 31 30 29 28 27
40
26
41
25
42
24
43
23
44
22
45
21
46
µPD7759GC-3BH
20
47
19
48
18
49
17
50
16
51
15
52
14
1 2 3 4 5 6 7 8 9 10 11 12 13
NC
ALE
DRQ
SAA
AEN / W R
I7
NC
I6
I5
I4
I3
I2
NC
BLOCK DIAGRAM
SAA
ALE
AEN/ WR
DRQ
MD
BUSY
CS
ST
RESET
ASD0 to ASD7
A0 to A8
ROM Address & Speech Data Interface
X1
OSC
X2
REF
System
Controller
ADPCM
Decoder
D/A
Converter
Message Select Interface
AVO
VDD
GND
I0 to I7
2
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