Canon XRD9827REF - Manual (Page 18)

... the analog plus compa TM
EXAR Corporation 48720 Kato Road, Fremont, CA 94538 Phone (510)-668-7000, Fax (510)-668-7030
PRELIMINARY
18
XRD9827REF
B
XRD9827 REFERENCE BOARD
B
1 3 Thursday, July 23, 1998
H:\PROJECT\ORCADWIN\9827\9827REFB.DSN
Title
Size Document Number Rev
Date: Sheet of
AVDD
DVDD
AGND
AGND
AGND
DGND DGND
DVDD
DGND
AVDD
DVDD
AGND
DGND
CISOUT
DB7/LD
DB6/SDATA
DB5/SCLK
DB2
DB3
DB4
DB0
DB1
ADCCLK
VDCEXT
SYNC
POWER SUPPLY
CIRCUITS
GO TO LED ON THE
CASE OF SCANNER
C1
0.1uF
C2
0.01uF
L1
10uH
U2 LM7805-5
IN 1 OUT 3
GN
D
2
U3 LM7805-5
IN
1
OUT
3
GN
D
2
C4
0.1uF
C3
1uF
TP1
t
1
g
2
C8
0.22uF
C9
0.1uF
C10
0.22uF
C11
0.47uF
J1
POWERJACK
JP1
HEADER 2
1
2
R3
1K
U1
XRD9827
DVDD 1
DB0 2
DB1 3
DB2 4
DB3 5
DB4
6
DB5/SCLK
7
DB6/SDATA
8
DB7/LD
9
DGND 10
ADCCLK
11
CLAMP
12
SYNCH
13
AGND
14
VREF+ 15
VDCEXT
16
BLU 17
GRN
18
RED
19
AVDD
20
L2
OPEN
C32
OPEN
C5
0.1uF
C6
0.01uF