3.2.4
Serial Interconnection Between PSoC 5LP and CYW43012
The PSoC 5LP device also has a secondary UART that is connected to the BT_UART of the
CYW43012 (USI WM-BAC-CYW-50).
Figure 3-4. Serial Interconnection Between PSoC 5LP and CYW43012
KitProg3 Level Translator for Secondary UART and GPIO
C31
UART_2_TX
UART_2_RX
UART_2_RTS
UART_2_CTS
KP_GPIO_0
KP_GPIO_1
P5LP_VDD
100K
R136
No Load
B_KP_GPIO_0
3.2.5
Power Supply System
The power supply system on this board is versatile, allowing the input supply to come from the
following sources:
5V from the onboard USB Micro-B connectors (J6 or J7)
■
7V–12V from external power supply through the VIN barrel jack (J5) or from an Arduino shield
■
Figure 3-5. Schematics of Power Supply Input and OR'ing
VIN Header
J5
1
3
C34
2
1uF
16V
POWER JACK P-5
Power Supply 'OR'ing
VIN
VCC_IN
D3
PMEG3020BEP
KP_VBUS
D1
PMEG3020BEP
P6_VBUS
D2
PMEG3020BEP
TP5
RED
No Load
CYW9P62S1-43012EVB-01 PSoC 62S1 Wi-Fi BT Pioneer Kit Guide, Doc. # 002-28722 Rev. *B
P5LP_VDD
VDDIO_WL
1uF
C30
1uF
16V
16V
U17
19
2
B_UART_2_TX
B0
A0
18
3
B_UART_2_RX
B1
A1
17
4
B_UART_2_RTS
B2
A2
16
5
B_UART_2_CTS
B3
A3
15
6
B4
A4
B_KP_GPIO_0
14
7
B5
A5
TP21
13
8
B6
A6
12
9
B7
A7
H
11
R98
DAP
OE
No Load
FXMA108BQX
R99
10K
UART_2_RTS
0 OHM
R50
USER_BTN_2
No Load
PSoC 6 MCU USB Host/Device
Micro-B connector
VIN
P6_VDD_BUF
J7
10118194-0001LF
1
VBUS
2
DM
3
TVS1
DP
4
SD12CT1G
ID
5
30kV
GND
R27
100K
C23
10nF
50V
USB_Hold
1
2
JMP2
KitProg3 Secondary UART Multiplexing
B_UART_2_TX
B_UART_2_RX
B_UART_2_RTS
B_UART_2_CTS
VDDIO_WL
10K
KitProg3 USB Micro-B
connector
P6_VBUS
R175
100K
No Load
TP24
P6_USB_DM
P6_USB_DP
P6_USB_ID
TP23
U6
P6_VBUS
1
4
2
5
3
6
RCLAMP0854P.TCT
C24
0.1uF
16V
Hardware
R52
0 OHM
BT_UART_RXD
R48
0 OHM
WL_UART_RX
No Load
R53
0 OHM
BT_UART_TXD
R49
0 OHM
WL_UART_TX
No Load
R54
0 OHM
BT_UART_CTS
R55
0 OHM
BT_UART_RTS
100K
R137
No Load
KP_VBUS
J6
1
VBUS
2
KP_USB_DM
DM
3
KP_USB_DP
DP
4
ID
5
GND
10118194-0001LF
U5
KP_VBUS
1
4
2
5
R17
100K
3
6
C1
10nF
RCLAMP0854P.TCT
50V
USB_Hold
JMP1
1
2
C2
0.1uF
16V
33
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