SiTime SiT6702DM, User Manual

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SiT6702DM Rev. 1.01 Page 2 of 17 www.sitime.com
SiT6702DM Demo Board User Manual
I
2
C interface cable for
connection with
SiT6722EB/SiT6722SEB
I
2
C/SPI interface cable for
connection with SiT6712EB
OE control cable
Power supply cable
3
Board Features and Connections
The SiT6702DM board has the following connections (refer to Figure 1 ).
1. USB interface for connecting to the PC (USB Micro B connector)
2. USB power or ex5V power (resistor configurable)
3. I
2
C/SPI communication with SiTime devices
4. Hardware OE control
5. DUT VDD connector
External connections for the SiT6702DM are listed in Table 2 and are shown in Figure 1 .
Table 2: SiT6702DM I/O
I/O Description
USB USB Micro B connector for connection to the PC. By default board is powered
through this connector.
External Power
A two-pin connector (P3) for DC power supply to the SiT6702DM board. Pin
polarity is identified on the silkscreen pattern near the connector (see
Figure 1 ).
Nominal voltage required is +5V.
I
2
C Interface A five-pin connector (P4) is available for communicating with the
SiT6712EB/SiT6722EB/SiT6722SEB boards via an I
2
C interface.
See Figure 2 and 3 for connection diagrams.
SPI Interface A five-pin connector (P5) is available for communicating with the SiT6712EB