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0 9 8 7 6 5 4 3 2 1



A




B




MDD-707
O EL O
MD N :



DESCRI PTI O :
N C
M Boar d
ai

SHEET N M
U BER:



MAIN BOARD DES I GN
1 O 12
F
SCH REV SI O :
I N
V01
D
PCB REV SI O :
I N
V01
CO E N :
D O
D 2971- 0005- 01- 00
-


D i gned
es

E




V : 01
er
Checked


F



A oved
ppr



G
Confidential

A :
D TED 2007- 12- 01
0 9 8 7 6 5 4 3 2 1



A
C306 G
220( CO )


2




1M
8M z
2




R111
H
X
1

R220
47R
C305 220( CO )
G
DN
GD
V D 5V
D-




SC
R304




I CC_O
47K

RESET D5V




105
B




TP19
TP37
TP36
TP42




TP38
V 12V
PP-




100pF

100pF
C304
TU ER_A
N FS




C90
R287 VPP C4




150R




2



2
C54
0R( NC)




2K



2K
R221




R302
R300
100pF DN
GD R172
0R




TP2


TP14
DN
GD GD
DN




C20

C21
103

103
V D 5V
D-
D _SCL
5V
D _SD
5V A VPP
OPERA O _A
TI N
OPERA O _B
TI N 1
LI G T_D
H ET
MD N :
O EL O R312 1K M _CLK
CU 1
X _D
M ET BT_A D O ET
U I _D 2
R331 R301 M _D TA N
CU A _I 2
10K
47K DN
GD 3
C18 100pF RESET 3
DN
GD




64

63

62

61

60

59

58

57

56

55

54

53

52

51

50

49
DN
GD 4
D5V D-
V D 5V VPP 4
V D 5V
D-
5
5




D



PP
PE3

PE2

PE1

PE0




7

6

5

4
R27




TLI

EV




PA

PA

PA

PA
SC1

SC2
1 48 C303 104 6 9




V
RESET
100K




D _2




SS_2
SSTOP PE4 C30 VSS_1 6 ELL
SH

DESCRI PTI O :
N C
104




O

O
VD




100K
2 47




100K

100K
D5V 7 8




V
D-
V D 5V 4094_SDA PE5 VD
D _1 7 ELL
SH
3 46
4094_CLK PE6 PA3 I PO _D
D ET CO 16
N
ai
M Boar d STROBE
4
PE7 PA2
45 R13 1K
_H
M S GD
DN
CO - 7PI N
N
DN
GD




R153


R389
5 44




A


A
LD N 5
_I _SW




N
PB0 PA1 RD A
S_D T




N
R14



R18
R203
10k

10k

10k




6 43
U _CTL
PD PB1 PA0 RDS_CLK

SHEET N M
U BER: 7 42 R204 1K




SC
M T_PW
O M PB2 PC7 RD U L
S_Q A




I CC_O
8 41
2 O 12
F DBRT PB3 U1 PC6
R65
R266

R165




9 ST72321 40 R207 1K V D 5V
D-
PO ER_K