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5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
VBUS-IN
USB-DP
USB-DM
RxD_B
TxD_B
RxD
TxDTxD_A
RxD_A
DM[2]
DP[2]
VBUS[2]
PE4/RXD3[2,6]
PE5/TXD3[2,6]
PA0/RXD0/TDI[2,5]
PA1/TXD0/TDO[2,5]
PB10[2,6]
VCC
VCC
VCC
VCC
3VCC
3VCC
VCC
RENESAS SOLUTIONS CORPORATION
DATE
APPROVED
SCALE
DESIGNEDCHECKED
DRAWN
CHANGE
( / )46
08-07-14
Ver. 1.03
M3A-HS85
USB/SERIAL Interface
RENESAS SOLUTIONS CORPORATION
DATE
APPROVED
SCALE
DESIGNEDCHECKED
DRAWN
CHANGE
( / )46
08-07-14
Ver. 1.03
M3A-HS85
USB/SERIAL Interface
RENESAS SOLUTIONS CORPORATION
DATE
APPROVED
SCALE
DESIGNEDCHECKED
DRAWN
CHANGE
( / )46
08-07-14
Ver. 1.03
M3A-HS85
USB/SERIAL Interface
USB Connector
USB B
DK30694-C
Serial Port Connector(COM)
RI#
RxD
RTS#
DSR#
Decoupling Caps
for SP3232E
TxD
DCD#
CTS#
UART connector
mount hole = GND
DTR#
R30 0ΩR30 0Ω
J14
UBB-4R-D14T-4D(LF)(SN)
J14
UBB-4R-D14T-4D(LF)(SN)
Vbus
1
D-
2
D+
3
GND
4
FRAME
5
FRAME2
6
FRAME3
7
FRAME4
8
JP8
XG8S-0331
JP8
XG8S-0331
1
3
2
U5
SP3232ECA-L
U5
SP3232ECA-L
C1+
1
C1-
3
C2+
4
C2-
5
V+
2
V-
6
T1IN
11
T2IN
10
R1IN
13
R2IN
8
R1OUT
12
R2OUT
9
T1OUT
14
T2OUT
7
VCC
16
GND
15
R29
20KΩ
R29
20KΩ
C1
1µF
C1
1µF
U8
HD74LV1GT126ACME-E
U8
HD74LV1GT126ACME-E
OE
1
A
2
GND
3
Y
4
VCC
5
R32
0Ω
R32
0Ω
C4
0.1µF
C4
0.1µF
CP32
0.1µF
CP32
0.1µF
H12
VBUS
H12
VBUS
CP27
0.1µF
CP27
0.1µF
R28 10KΩR28 10KΩ
C2
0.1µF
C2
0.1µF
R25 1KΩR25 1KΩ
R31 0ΩR31 0Ω
J3
XM2C-0912-112
J3
XM2C-0912-112
5
9
4
8
3
7
2
6
1
1011
R34
4.7KΩ
R34
4.7KΩ
+
CE1
4.7µF
+
CE1
4.7µF
L6
_L600
L6
_L600
R26 24ΩR26 24Ω
R33
4.7KΩ
R33
4.7KΩ
R111
1.5KΩ
R111
1.5KΩ
L7
_DLW21HN900SQ2
L7
_DLW21HN900SQ2
1 4
2 3
L8
_L600
L8
_L600
C5
0.1µF
C5
0.1µF
C3
0.1µF
C3
0.1µF
U7A
HD74LV1GT08ACME-E
U7A
HD74LV1GT08ACME-E
1
24
JP7
XG8S-0331
JP7
XG8S-0331
1
3
2
C14
0.1µF
C14
0.1µF
U7B
HD74LV1GT08ACME-E
U7B
HD74LV1GT08ACME-E
53
CP26
0.1µF
CP26
0.1µF
R24 10KΩR24 10KΩ
R27 24ΩR27 24Ω
D1
_HZM6.2Z4MFA
D1
_HZM6.2Z4MFA
15
2
4
3