1-30 (No.49858)
4.15 TC94A02F-005 (IC401) : DSP
• Block diagram
/CE
AD5
LRCKiA
BCKiA
SDi0
AD4
AD3
SDo
VDDT
AD2
/MiCK
MiDio
AD1
AD0
MiMD
/RESET
AD10
AD9
VDDT
AD8
AD7
AD6
REQ
VSS
AD13
AD14
/WR
VSS
AD1
1
AD12
CKS
TESTP
VSSR
VRAR
Ro
VDAR
VDAL
Lo
VRAL
VSSL
VSS
ST
ANDBY
VDD
/oE
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
io2
io3
io4
VDD
io5
io6
io7
VSSP
PDo
VCoi
V
DDP
CK0
V
DDX
Xi
Xo
VSSX
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
33
34
35
36
37
38
39
40
41
42
43
48
Ti
m
e
r
Flag
General
Output Port
Address Calc.
2sets
X-Pointer register
Y
-Pointer register
C-Pointer register
Bus
Switch
ERAM 2k word
CROM 4k word
*3
YRAM 4k word
XRAM 4k word
X-Bus
Y
-Bus
PRAM
256word
Program Control
PROM 4k*2+2k
=10kword
40bit
Instruction Decoder
Microcom.I/F
Audio.I/F
round & limit
round & limit
MAC
ALU
A0
A1
A2
A3
MX
MY
MZ
AX
A
Y
register
X0 X1 X2 Y0
Y1
Y2
DAC
DAC
General Input Port
Prog. Start
DIT
VC0
Timing
Generator
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