WIZ127SR User’s Manual
6
2.4.
Application Schematics
2.4.1.
WIZ127SR-BASE
Figure 3 WIZ127SR Base board schematic
UART1
UART2
RJ45 W\MAGNET
POWER
VDD3V3
PB11
C20
0.1uF
R25
10K
SW6
TACT SW
1
2
4
3
R28
100R
R11
0R
ETHERNET STATUS
NC
R1
330R
VDD3V3
D1
LED
R2
330R
R3
330R
D2
LED
PB5
D3
LED
FDXLED_M2
SPDLED_M1
R8
330R
LINKLED_M0
D4
LED
VDD3V3
STATUS2
D8
LED
R20
330R
D9
LED
CONNECTED STATUS/HW TRIGGER
R19
330R
LINKLED_M0
R10
330R
C2
0.1uF
R9
330R
RXIN
RXIP
R6
49.
9R
R7
49.
9R
TXON
TXOP
P1
RB1-105BAG1A
TD+
1
TD-
2
TCT
3
NC1
4
NC2
5
RCT
6
RD+
7
RD-
8
L1+
12
L2-
11
L3+
10
L4-
9
CH_GND1
13
CH_GND2
14
R4
49.
9R
R5
49.
9R
SPDLED_M1
VDD3V3A
VDD3V3
C3
0.1uF
C1
0.1uF
NC
R22
0R
R21
0R
R24
0R
R23
0R
UART2_TX
UART2_CTS
UART2_RX
UART2_RTS
RESET
R16
10K
C10
0.1uF
SW4
TACT SW
1
2
4
3
R17
0R
NC
VDD3V3
C9
0.1uF
VDD3V3
RESET
U2
SN74LVC1G14
NC
1
A
2
GND
3
Y
4
VCC
5
TP2
CONNECTOR
TP1
VDD3V3A
PB1
PB0
TP3
RXIP
RXIN
PB5
TXOP
TXON
UART1_TX
UART1_RTS
LINKLED_M0
SPDLED_M1
STATUS1
UART1_CTS
UART1_RX
TP4
FDXLED_M2
VDD3V3
UART2_TX
UART2_RTS
UART2_CTS
VDD3V3
PB12
STATUS2
PB11
UART2_RX
PC14
PC15
PB15
PB14
PB13
J3
2.0mm HEADER 12x1
1
2
3
4
5
6
7
8
9
10
11
12
J1
2.0mm HEADER 12x1
1
2
3
4
5
6
7
8
9
10
11
12
J2
2.0mm HEADER 12x1
1
2
3
4
5
6
7
8
9
10
11
12
2.0 Pitch
2.0 Pitch
RESET
2.0 Pitch
VDD3V3
RS232_RTS1
RS232_TX1
GND
RS232_CTS1
RS232_RX1
P2
DB9_MALE-RA
5
9
4
8
3
7
2
6
1
10
11
U1
SP3232EUEY -L
C1+
1
V+
2
C1-
3
C2+
4
C2-
5
V-
6
TOUT2
7
TOUT1
14
ROUT2
9
RIN2
8
TIN2
10
TIN1
11
ROUT1
12
RIN1
13
GND
15
VCC
16
C6
0.1uF
C5
0.1uF
C4
0.1uF
C7
0.1uF
C8
0.1uF
UART1_CTS
VDD3V3
RS232_RTS2
RS232_TX2
PB14
RS232_CTS2
RS232_RX2
SW2
SLD-SW
1
1
2
2
3
3
VDD3V3
GND
SW3
SLD-SW
1
1
2
2
3
3
VDD3V3
R26
10K
R12
10K
P3
DB9_MALE-RA
5
9
4
8
3
7
2
6
1
10
11
R15
10K
U3
SP3232EUEY -L
C1+
1
V+
2
C1-
3
C2+
4
C2-
5
V-
6
TOUT2
7
TOUT1
14
ROUT2
9
RIN2
8
TIN2
10
TIN1
11
ROUT1
12
RIN1
13
GND
15
VCC
16
R27
10K
C12
0.1uF
C11
0.1uF
C13
0.1uF
D6
LED
PB15
C15
0.1uF
D5
LED
PB13
PB12
C14
0.1uF
R14
330R
GPIO IN/OUT
VDD3V3
J5
2.54mm HEADER 6x1
1
2
3
4
5
6
R13
330R
UART2_TX
UART2_CTS
UART2_RX
UART1_TX
VDD3V3
UART2_RTS
UART1_RX
UART1_RTS
UART2_TX
R30
10K
R29
10K
UART1_TX
VDD3V3
M2
TH3.5
1
M1
TH3.5
1
M3
TH3.5
1
M4
TH3.5
1
FACTORY RESET
SW1
SLD-SW
1
1
2
2
3
3
NC
VDD3V3
VDD3V3A
TP8
C19
10uF/16V
TP7
D7
LED
3V3_IN
R18
330R
L1
HH-1M1608-121JT
SW5
TG-SW
1
1
2
2
3
3
J4
DC JACK
1
2
3
C18
10uF/16V
C16
10uF/16V
5V_IN
U4
AME8815BEGT330Z/SOT-223
GND
1
VOUT
2
VIN
3
VTAB
4
C17
10uF/16V
TP6
TP5
L2
HH-1M1608-121JT
STATUS1