Canon XRD9827REF ユーザーズマニュアル
... 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
DB6/SDATA
DB5/SCLK
DB2
DB3
DB4
DB0
DB1
ADCCLK
VDCEXT
SYNC
POWER SUPPLY
CIRCUITS
CIRCUITS
GO TO LED ON THE
CASE OF SCANNER
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