B
C
2
3
1
6
1
D
AA
UPDATE
65
B
7
RS232
C
D
E
CUSTOMERDESIGN
REMARK
SHEET
REV.
4
UART1
UART2
UART3
UART4
HUART
OPTION
CHECK-2
DATE
CHECK-1
MCS LOGIC
2
UART0
8/14
E
45
2003.11.18
MLN7400EV
VCC
1uF TC12
21
TC131uF
21
3
C1+
1
3
C1-
C2+
4
5
C2- GND
15
R1I
1312
R1O
R2I
89
R2O
T1I
11 14
T1O
T2I
10 7
T2O
V+
2
6
V-
16
21
VCC_33
TC181uF
21
U12
MAX3232
89
R2O
T1I
11 14
T1O
T2I
10 7
T2O
V+
2
6
V-
16
VCC
1uF TC20
21
TC211uF
5
GROUND
GROUND
GROUND
U14
MAX3232
C1+
1
3
C1-
C2+
4
5
C2- GND
15
R1I
1312
R1O
R2I
C74330pF
P4
DB9_FEMALE
1
6
2
7
3
8
4
9
5
330pF C71
C72330pF
330pF C73
21
GROUND
DB9_FEMALE
P3
1
6
2
7
3
8
4
9
3
8
4
9
5
GROUND
1uF TC22
21
VCC_33
1uFTC19
C76
C75330pF
P5
DB9_FEMALE
1
6
2
7
DB9_MALE
P6
1
6
2
7
3
8
4
9
5
GROUND
GROUND
GROUND
330pF
TC15 1uF
21
C77330pF
330pF C78
TC161uF
21
1uF TC17
21
C1+
C1-
3
4
C2+
C2-
515
GND
13
R1IR1O
12
8
R2IR2O
9
11
T1I T1O
14
10
T2I T2O
7
2
V+
V-
6
VCC
16
6
2
7
3
8
4
9
5
GROUND
GROUND
GROUND
MAX3232
U13
1
C69330pF
330pF C70
DB9_FEMALE
P2
1
6
2
7
3
8
4
9
5
C67330pF
330pF C68
TC11
21
VCC_33
1uF TC14
21
GROUND
P1
DB9_FEMALE
1
CUTXD0
CURXD0
CUTXD1
CURXD1
CUTXD2
CURXD2
CUTXD3
CURXD3
CURXD4
HUARTNCTS4
CUTXD4
HUARTNRTS4
1uF