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IC602 (OTI-911LP) : I/F and Decoder IC
Applies the order from the PC to µ-COM, and transmittes the input Signal from DSP to PC with Data.
Block Diagram
CD-DSP
Address
Counters
CD-DSP
Subcode
I/F Logic
CD-DSP I/F
HDR/SUBHDR
Ragisters
Status/Control
Registers
R-S
uP
ECC
Data
Data
Xfer
Corr
LOGIC
OTI-911
CD-DSP
VSSE
1
RAD3
2
RAD11
3
RAD12
4
ALE/RAD13
5
RAD15
6
VSSE
7
DLRCK
8
DSDATA
9
DBCK
10
DC2PO
11
DJPAR
12
MCK
13
XOUT
14
XIN
15
VSSI
16
SBSO
17
WFCK
18
SUB
19
EXCK
20
HRST-
21
UD0
22
UD1
23
VSSE
24
UD2
25
UD3
26
UD4
27
UD5
28
UD6
29
VSSE
30
RAD(15:0)
Host/uP
Address
Counters
Data Path
Control
ECC
EDC
EDC
CRC
Addrs
Check
Gen
UD(7:0)
System
Controller
OAK
OTI-911
RD(7:0)
DRAM
Control
Host Control
DD(15:8)
DD(7:0)
IDE
IDE
IDE
Register
Shadow
Register
12-Bytes
Register
FIFO
Control
VSSE
80
RD6
79
RD7
78
RD5
77
RD4
76
PRST-
75
HD7
74
HD8
73
VSSE
72
HD6
71
HD9
70
HD5
69
HD10
68
HD4
67
VSSE
66
HD11
65
VSSI
64
HD3
63
HD12
62
HD2
61
ARST-
60
HD13
59
VSSE
58
HD1
57
HD14
56
HD0
55
HD15
54
HDRQ
53
HWR-
52
VSSE
51
DRAM
IDE
BUS
CNTRL
HA(2:0)
23
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