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TSW-107-07-T-D Datasheet(PDF) 30 Page - Analog Devices |
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TSW-107-07-T-D Datasheet(HTML) 30 Page - Analog Devices |
30 / 75 page LEDs and Push Buttons 1-10 ADSP-BF506F EZ-KIT Lite Evaluation System Manual LEDs and Push Buttons The EZ-KIT Lite provides two push buttons and three LEDs for gen- eral-purpose I/O. The three LEDs, labeled LED2 through LED4, are accessed via the PF0–2 GPIO ports of the processor. For information on how to program the flag pins, refer to the ADSP-BF50x Blackfin Processor Hardware Reference Manual. The two general-purpose push buttons are labeled PB0 and PB1. The status of each individual button can be read through programmable flag inputs PF3 and PF4. The flag reads a ‘1’ when a corresponding switch is being pressed. When the switch is released, the flag reads a ‘0’. A connection between the push buttons and processor inputs is established through a DIP switch, SW3. The switch should be turned off when another source is driving the signals. An example program is included in the ADSP-BF506F installation direc- tory to demonstrate functionality of the LEDs and push buttons. The LED and push button signals also are connected to the expansion interface II; see “Expansion Interface II Connectors (P2 and P4)” on page 2-18 and “Expansion Interface II Connector (P3)” on page 2-18. JTAG Interface The board contains an on-board debug agent that operates via a USB port. The ADSP-BF506F EZ-KIT Lite receives all of its power via USB; there- fore, no power supply is required. For debugging, the JTAG connector (P1) allows an external emulator (USB-ICE or HPUSB-ICE) to connect to the board, instead of the on-board debug agent. |
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