User manual

Blackfin DEV-BF548-Lite. DEV-BF548DA-lite Hardware User Manual
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5 Switches, Jumper and LED Description
5.1 S1 – Reset switch
Performs system reset.
5.2 S2 – Ethernet Control Signals / SDCARD CS
Default Settings
Dipswitch Function
S2.1 Connect SDCARD CS to PC5
S2.2 Connect nAMS1 from Core Module to Ethernet chip
S2.3 Connect PE6 from Core Module to Ethernet chip IRQ
S2.4 Connect PME of Ethernet chip to test point PME1
5-1 DIP switch S2
5.3 S3 – UART Switch
Move S3 to position 1 to route the Core Modules RX0 and TX0 signals to USB
Move S3 to position 0 to route the Core Modules RX1 and TX1 signals to USB
5.4 S4 – Boot Configuration
S4.1 to S4.4 Control the boot mode and are described in chapter 6 Boot Mode Description.
Dipswitch Function
S4.1 Bootmode0
S4.2 Bootmode1
S4.3 Bootmode2
S4.4 Bootmode3
S4.5 PowerSupplyforCAN0DriverIC
S4.6 PowerSupplyforCAN1DriverIC
S4.7 ConnectTXD‐USBtoVCC
S4.8 ConnectS5toVCC
5-2 DIP switch S4
5.5 JP1 – Ethernet Speed Selection
Set jumper JP1 to select Ethernet Speed 10MBit/s and unset JP1 for 100Mbit/s.
5.6 JP2 -– Power Supply Jumper
This jumper can be removed in order to insert an AMPERE METER for current measurement:
5.7 JP3 – RTC Power Jumper
This jumper is used to connect the VddRTC pin of the Core Module to 3.3V. You can also use this jumper
to connect a battery to the internal RTC of the Blackfin.