CYUSB3KIT-001 EZ-USB FX3 Development Kit Guide, Doc. #: 001-70237 Rev. *C
35
3.
Kit Operation
The FX3 DVK board provides convenient access to FX3 interfaces such as I
2
C, SPI, UART and I
2
S.
The DVK board also provides a high-speed (Samtec) connector for interface to external devices
through the GPIF II (General Programmable Interface, Gen 2). FX3 SDK examples help you
evaluate and program each of these interfaces.
3.1
Default Jumper Settings on DVK Board
The jumpers and dip switches on the FX3 DVK board are factory set to power the board over USB.
The factory-set jumper and switch settings are shown in
Table 3-1
.
Table 3-1. Default Jumper Settings
Note
For more details on each I/O pin refer to Chapter
Hardware on page 65
.
S.No
Jumper/Switch
Pins to be shorted
using jumpers
Function
1
J53
1 and 2
Bus powered
2
J101
1 and 2
GPIO_46=UART_RTS
3
J102
1 and 2
GPIO_47=UART_CTS
4
J103
1 and 2
GPIO_48=UART_TX
5
J104
1 and 2
GPIO_49=UART_RX
6
J136
3 and 4
VIO1(3.3 V)
7
J144
3 and 4
VIO2(3.3 V)
8
J145
3 and 4
VIO3(3.3 V)
9
J146
3 and 4
VIO4(3.3 V)
10
J134
4 and 5
VIO5(3.3 V)
11
J135
2 and 3
CVDDQ(3.3 V)
12
J143
1 and 6
VBATT(2.5 V)
13
J96 and SW25
2 and 3
a. PMODE0 Pin state (ON/OFF)
selection using SW25. b. SW25.1 should
be OFF
USB boot
14
J97 and SW25
2 and 3
a. PMODE0 Pin state (ON/OFF)
selection using SW25.
b. SW25.2 should be OFF
13
J98
1 and 2
PMODE2 Pin Floating
14
J72
1 and 2
RESET
15
J42
Not Installed
GPIO_58=I2C_SCL
16
J45
Not Installed
GPIO_59=I2C_SDA
17
J100
1 and 2
GPIO_21=CTL4
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