
7-52
Schematics, Component Location Diagrams and Parts Lists
: ASTRO Spectra Plus VOCON Section
September 5, 2008
6881076C25-E
HLN6837A ASTRO Spectra Plus RF Interface Schematic (Sheet 2 of 2)
I
KRSIC R/W*
KRSIC
I
I
DNP
DNP
DNP
KRSIC SSI
O
KRSIC
I
INTERFACE
QSPIB
I
O
BBP-ABAII
O
O
O
ABACUSII
DNP
I
O
I
I
I
DNP
I
I
Q201
0.1uF
TP216
C209
TP227
C211
4.7K
R250
VCC3.0
.01uF
VCC3.0
C212
0.1uF
VCC3.0
270
R213
E6
VSS6
M4
VSS7
D4
VSS8
B2
VSS9
K1
WRX
G2
3
B7
VDD4
K6
F5
VDD5
VDD6
A3
VSS1
B1
1
VSS2
F1
1
VSS3
L1
1
VSS4
K9
VSS5
SCS
SSI_CLK
D9
SSI_DI
C12
D12
SSI_DO
SSI_FSYNC
E12
TEST_MODE
J4
VDD1
D10
VDD2
J9
VDD3
J3
RS4
K3
M7
RXDA
TA_HI
L7
RXDA
TA_LO
RXODC
K5
RXSBI
L6
SCAN_EN
L3
SCLK
L10
J10
A9
PRAM_A13
C5
PRAM_CSX
A5
RDX
J1
RESETX
L4
RS0
H2
RS1
H5
RS2
H3
RS3
NC9
OUT_DIS
K4
PG0
A6
PG1
A7
PG2
C7
PG3
C6
PG4
A8
PG5
B9
PG6
NC43
L1
NC44
G1
NC45
B1
NC46
NC5
J8
NC6
J7
NC7
J6
NC8
J5
H4
F3
K2
NC37
NC38
A2
NC39
A1
NC4
H9
NC40
F2
NC41
J2
NC42
M2
M1
G7
NC3
G9
NC30
E7
NC31
F7
NC32
G6
NC33
F6
NC34
B3
D3
NC35
NC36
C10
NC22
D11
NC23
B8
NC24
L12
NC25
M12
NC26
M1
1
NC27
C8
NC28
E8
NC29
D6
NC15
D7
NC16
D8
NC17
A12
NC18
B12
NC19
A11
NC2
F9
NC20
C11
NC21
MOSI
MSTR_CLK_HI
H8
H12
MSTR_CLK_LO
NC1
E9
G4
NC10
NC11
F4
NC12
E4
NC13
D5
NC14
H7
K7
HC12GPIO4
M9
HC12GPIO5
L9
HC12GPIO6
K8
HC12GPIO7
HC12_CLK
F12
INTX
E10
M10
MISO
K10
F10
ENC_CLK
A10
ENC_RXD
C9
ENC_TXD
B10
FLASH_CSX
E5
HC12GPIO0
M8
HC12GPIO1
H6
L8
HC12GPIO2
HC12GPIO3
J1
1
DSPGPIO2
H10
DSPGPIO3
H1
1
DSPGPIO4
K12
DSPGPIO5
J12
G1
1
DSPGPIO6
G10
DSPGPIO7
DSP_CLK
G8
EIGHTKHZ_INTX
D2
C3
D3
C4
D4
B4
D5
C2
D6
C1
D7
D1
DATA_RAM_CSX
B6
DSPGPIO0
K1
1
DSPGPIO1
G12
BD_CTRLX
L2
CLK_RSTX
M3
E1
1
CODEC_CLK
F8
CODEC_FSYNC
CS1X
G3
D0
B5
D1
A4
F1
A13
E3
A14
H1
A8
D2
A9
E1
ABA_CLK
M5
ABA_FSYNC
L5
ABA_RXD
M6
AUX_INTX
U200
A10
G5
A11
E2
A12
TP222
Q204
Q203
18K
*R221*
100K
100K
R229
R230
R243
560
TP220
10K
R232
18K
R249
18K
R247
15K
R245
C219
0.1uF
R241
5.6K
TP229
270
VCC3.0
R214
VCC3.0
100K
R222
7
4
VCC3.0
TP228
TP219
TP218
390
R242
330
R219
R240
330
R220
10K
3.3K
R223
2
TP230
VCC3.0
TP215
C210
10pF
TP214
6
R216
33
VCC3.0
VCC3.0
C220
0.1uF
TP223
Q202
270nH
L200
TP236
Q200
TP217
5
TP233
TP232
TP234
0
1
1
0
5.6K
R248
33
R215
TP226
TP221
TP224
2
TP231
VCC5.0
4
100
R234
TP235
VCC3.0
5.6K
R246
3
TP225
ODC
8Khz_DSP
DOUT*
KRSIC_CS
KRSIC_WR
KRSIC_RD
ABA_RXD
ABA_FSYNC
ABA_CLK
MOSIB
MISOB
QSCKB
KRSIC_SEL
16.8MHz
SBI
RESET_OUT
DOUT
A
B
C
D
Summary of Contents for ASTRO Digital Spectra
Page 2: ......
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 ...
Page 441: ......