User manual

Blackfin DEV-BF548-Lite. DEV-BF548DA-lite Hardware User Manual

4 Connector Description

4.1 X4 –RJ45 Ethernet Connector

Pin No. Signal (Core Module) IO-Type

X+ O

X- O

3 RX+ I

4 NC -

5 NC -

6 RX- I

7 NC -

8 NC -

Table 4-1: Ethernet Connector

4.2 X9 –SD-Card Connector (bottom Mount)

Pin No. Signal (Core Module) Description (SD Card)

0 SD_D2 DAT2

1 SD_D3 CD/DA

2 SD_CMD CMD

3 GND VSS1

4 3,3V VDD

5 SD_CL

6 GND VSS2

7 SD_D0 DAT0

8 SD_D1 DAT1

9 - CD

10 - WP

Table 4-2: SD-Card Connector

4.3 X6 – JTAG Bypass Connector

The JTAG connector is compliant with any Blackfin JTAG Emulator from Analog Devices. When an

external JTAG emulator is attached the on-board JTAG is bypassed and the external one is automatically

used.

4.4 X11 – USB-UART Connectors

Connects either UART0 (when S3 is in Pos 1) or UART1 (when S3 is in Pos 0) to the USB Interface

enabling a COM Port on the PC. UART0 is standard console IO for the BLACKSheep Software.

4.5 X12 UART Expansion Pads

When S3 is in position 1 the UART1 on PortH (TX, RX) is available on the expansion pins and

disconnected from the USB-UART Chip.

Pin No. Signal Signal Type

xD Blackfin Input Core Module

2 RxD Blackfin Output Core Module

3 GND

4 3V3 Regulated Power

Table 4-3: UART1 additional Header