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SCD-XA9000ES
56
56
5-32. SCHEMATIC DIAGRAM – LINK Board (1/2) –
•
See page 70 for Waveforms.
R1957
C1935
R1940
R1941
R1951
R1949
R1954
R1996
R1960
R1934
R1936
R1932
R1931
R1930
R1929
R1995
C1929
C1927
R1994
R1926
R1927
R1925
C1928
R1962
R1961
R1958
R1955
R1952
R1950
R1948
R1947
R1946
R1945
C1932
C1930
C1934
C1939
C1948
IC1905
FL1906
C1952
FL1905
FB1906
C1949
C1944
R1899
R1897
R1898
C1945
R1997
R1985
R1977
R1984
R1983
R1982
R1981
R1980
X1903
C1960
C1961
R1803
R1959
C1950
C1951
FB1907
R1999
R1998
IC1907
C1947
C1946
CN1903
R1978
R1986
C1938
C1933
R1973
R1972
Q1904
R1805
R1964
R1935
R1938
R1939
R1971
R1943
R1970
R1968
R1953
R1956
R1963
R1967
C1936
C1931
R1802
FL1902
FB1903
C1940
C1937
C1943
C1941
R1944
R1942
X1902
Q1902
IC1904
R1806
Q1903
R1965
R1966
10k
0.1
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
0.1
0.1
10k
10k
10k
10k
0.1
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
0.1
0.1
0.1
0.1
10
10V
BA18BC0FP-E2
10
10V
220
4V
0.1
10k
4.7k
4.7k
0.1
10k
10k
0
10k
10k
10k
10k
10k
20MHz
10p
10p
10k
0
0.1
0.1
10k
10k
SN74AHC1G08DCKR
0.1
0.1
10P
1M
470
0.1
0.1
4.7k
10k
DTA143EKA-T146
4.7k
0
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
2.2k
0.1
0.1
10k
10
10V
0.1
0.1
0.1
10k
10k
10MHz
2SC3624A
-T1L15
AT28BV64B-25SC
4.7k
2SC3624A-T1L15
10k
10k
ZZ1
ZZ2
ZZ3
ZZ4
ZZ5
ZZ6
ZZ7
D0
D1
D2
D3
D4
D5
D6
D7
H
R
W
H
B
IL
H
C
N
T
1
H
CN
T
0
H
D
0
H
D
1
H
D
2
H
D
3
H
D
4
H
D
5
H
D
6
H
D
7
X
H
A
S
H
R
D
Y
X
H
D
S
1
X
H
D
S
2
X
H
C
S
X
R
S
S
C
L
S
D
A
H
D
7
X
H
A
S
H
R
W
X
H
C
S
HD6
HD0
HD1
H
D
2
HD3
HD4
HD5
XRS
XHDS1
XHDS2
HBIL
HRDY
HCNT0
HCNT1
C
N
V
S
S
A
K
E_
XF
A
KE
_XF
XRD
D0
D1
D2
D3
D4
D5
D6
D7
A
9
A
10
A
1
1
A
12
A
13
TXD1
RXD1
CLK1
PWD
PRST
LRST
XCS
XWR
RDY
XRD
D
9
A
7
A
6
A
5
A
4
A
3
A
2
A1
D
11
D
8
D
1
0
D
15
D
1
4
D
13
D
12
A
8
A
1
A
2
A
3
A
4
A
5
A
6
A
7
A
8
HOLD
O
S
C
RTS1
HOLD
CNVSS
M
LS
R
S
T
TXD1
RXD1
CLK1
RTS1
MLSRST
XWR
EE
P
_C
S
A
1
A
2
A
3
A
4
A
5
A
6
A
7
A
8
A
13
D
0
D
1
D
2
A
9
A
1
0
A
11
A
12
X
R
D
X
W
R
E
EP
_
CS
D
5
D
6
D
7
D
4
D
3
CNVSS
RESET
TXD1
RXD1
CLK1
RTS1
HOLD
CE
D3V
DGND
(EPM)
(1/2)
NC
RESET SWITCH
+1.8V REGULATOR
OSC ON/OFF
CONTROL
ON/OFF
OSC
EEPROM
OSC ON/OFF
SWITCH
SWITCH