Linx Technologies CON-SOC-EVM, Руководство пользователя

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– – – –
34 35
GND
+
C8
100uF
VCC
GND
Vin
1
GND
2
Vout
3
U4
LM3940IMP 3.3V
C9
0.47uF
GND
IN
1
GND
2
EN
3
FAULT
4
ILIM
5
OUT
6
U3
TPS2552
GND
5VUSB
GND
R11
53.6k
PWREN#
Figure 44: Programming Dock Board Power Supply Area Schematic
R17
10k
GND
NC
1
IN
2
GND
3
OUT
4
VCC
5
U5 VCC
GND
R49 DNP
Buffer Bypass DNP
RTS nCMD
CMD_DATA_OUT RXD
NC
1
IN
2
GND
3
OUT
4
VCC
5
U1 VCC
GND
R46
10k
VCC
R48 DNP
CMD_DATA_IN TXD
Buffer Bypass DNP
GND
MODE_IND
R8
330 ohm
D4
MODE_IND BLUE
R24
10k
S2
VCC
PAIR
PAIR
GND
R41
0 ohm
R40
0 ohm
VCC
GND
SW1
LADJ
Figure 45: Programming Dock Board Signal Routing Schematic
GND
GND
+
C1
4.7uF
C4
0.01uF
L1 600R/1.3A
GND
C6 47pF
R4 0
C2 0.1uF
VCC
12
VCCIO
3
3V3OUT
10
GND
5
GND
13
USBDM
9
USBDP
8
RESET#
11
TXD
1
RXD
4
RTS#
2
CTS#
6
CBUS0
15
CBUS1
14
CBUS2
7
CBUS3
16
U2 FT230X
C5 47pF
PWREN#
C7 0.1uF
GND
5V
1
DAT-
2
DAT+
3
NC
4
GSHD
6
GSHD
7
GND
5
J1 Micro USB
5VUSB
RTS
R2
27
R3
27
TXD RXD
nCTS
VCC
R20 10k
R47
DNP
GPIO2 RXTXLED
D1
R5
330 ohm
ORANGE
RXTXLED
VCC
GPIO1
Figure 46: Programming Dock Board USB Area Schematic