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6881076C25-E
September 5, 2008
Theory of Operation:
ASTRO Spectra VOCON Board
3-35
G7
MICEN
J501-45
J9
B+ CNTL
U409-2
Q206B
E7
VIP OUT1
J501-22
K7
CS3B EMC MAKEUP*
J801-12
G6
CS2B RAM SEL*
U211-2
J7
CS1B HEN*
U405-E8
G8
DISP EN*/LATCH SEL*
J601-4
H9
RED LED
N/C
E8
GRN LED
N/C
E2
IRQ*
U204-E7
Table 3-8. VOCON U405 (DSP)
U405
Pin #
Description
To/From
C1
PS*
U404-6 U406-D8
C3
DS*
A3
RD*
U404-32 U406-F8
C4
WR*
U404-7 U406-G10
B3
X/Y*
A4
BR*
R411
B4
BG*/BS*
R432
H10
MODA/IRQA*
U204-G4 U406-F10
H9
MODB/IRQB*
U406-F9
J8
XTAL
R415
K9
EXTAL
U406-G9 (DCLK)
A2
STO
U406-H1
C5
SRO
U406-L3
B6
SCK
U406-G3
B2
SC2
U406-H2
Table 3-7. U206 (SLIC) (Continued)
U206
Pin #
Description
To/From
Summary of Contents for ASTRO Digital Spectra
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Page 6: ...September 5 2008 6881076C25 E iv Document History Notes ...
Page 20: ...xviii List of Tables September 5 2008 6881076C25 E Notes ...
Page 24: ...September 5 2008 6881076C25 E xxii CommercialWarranty Notes ...
Page 48: ...September 5 2008 6881076C25 E xlvi Model Numbering Charts and Specifications Notes ...
Page 142: ...September 5 2008 6881076C25 E 3 82 Theory of Operation Power Amplifiers Notes ...
Page 434: ...September 5 2008 6881076C25 E Glossary 10 Notes ...
Page 440: ...Index 6 September 5 2008 6881076C25 E Notes ...
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