參數(shù)資料
型號: UPD7759GC-3BH
廠商: NEC Corp.
英文描述: ADPCM SPEECH SYNTHESIZER LSIs
中文描述: 差分PcM語音合成器大規(guī)模集成電路
文件頁數(shù): 2/18頁
文件大?。?/td> 183K
代理商: UPD7759GC-3BH
μ
PD7759
2
PIN CONFIGURATION (Top View)
BLOCK DIAGRAM
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
ASD5
ASD6
ASD7
I0
I1
I2
I3
I4
I5
I6
I7
AEN/WR
SAA
DRQ
ALE
REF
AVO
BUSY
RESET
GND
V
DD
ASD4
ASD3
ASD2
ASD1
ASD0
A8
A7
A6
A5
A4
A3
A2
A1
A0
CS
X2
X1
ST
MD
μ
40-pin plastic DIP
40
41
42
43
44
45
46
47
48
49
50
51
52
26
25
24
23
22
21
20
19
18
17
16
15
14
1
2
3
4
5
6
7
8
9 10 11 12 13
39 38 37 36 35 34 33 32 31 30 29 28 27
NC
A0
A1
A2
A3
A4
NC
A5
A6
A7
A8
ASD0
NC
NC
ALE
DRQ
SAA
AEN / W R
I7
NC
I6
I5
I4
I3
I2
NC
N
C
X
X
S
M
N
G
R
B
A
R
N
N
A
A
A
A
V
D
N
A
A
A
I
I
N
PD7759GC-3BH
μ
SAA
ALE
AEN/WR
DRQ
MD
BUSY
CS
ST
RESET
52-pin plastic QFP
ADPCM
Decoder
ROM Address & Speech Data Interface
ASD0 to ASD7
A0 to A8
X1
X2
D/A
Converter
Message Select Interface
OSC
REF
AVO
GND
V
DD
I0 to I7
System
Controller
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