8A3xxxx 48QFN EVK User Manual
© 2019 Integrated Device Technology, Inc.
7
February 15, 2019
Figure 3. GPIO Setting and Status Display Area
1.5
USB Jack
The board has a USB mini-connector. The other end of the USB cable is a USB Type A connector going to a PC.
1.6
Onboard EEPROM
An onboard EEPROM is used to store device firmware and/or customer’s configuration data. There are two headers/jumpers, JP10 and JP11,
used to select the I
2
C communication paths for the EEPROM.
Table 2.
EEPROM I
2
C Connections
JP10/JP11
JP10/JP11
Jumper Position
Both Pin 1 and 2
Both Pin 2 and 3
EEPROM I
2
C Path
FDTI and EEPROM
EEPROM and CM Chip
1.7
I
2
C/SPI Auxiliary Path Specifications
I
2
C and SPI connections can be configured using onboard jumpers. There are four headers/jumpers that control the auxiliary serial stream
signals.
Table 3.
I
2
C/SPI Path Connections
JP12/JP13
JP12/JP13
JP14/JP15
JP14/JP15
Jumper Position
Pin 1 and 2
Pin 2 and 3
Pin 1 and 2
Pin 2 and 3
CM Chip Serial Port
Path
SCLK/SDA
Connected to on-
board FTDI I2C Chip
(Default)
SCLK/SDA Connected
to J4 for external
I2C/SPI controller use
NONE
SDI/nCS Connected to
J4 for external I2C/SPI
controller use
