Altera LCD Multimedia HSMC Manuel d'utilisateur Page 45

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Altera Corporation Development Board Version 1.0. A–1
August 2008 Preliminary
Appendix A. Pin Connections
HSMC.FPGA for the
Cyclone III Starter Board
Introduction
The section describes the HSMC pin connections for Cyclone III Starter
Board. See Tables A2
Special caution when building applications with the LCD Multimedia
HSMC and the Cyclone III FPGA Starter Board:
c The LCD Multimedia HSMC uses the differential pair
HSMC_CLKIN pins as single-ended I/O. On the Cyclone III
Starter Board, the n and p signals for these pins are terminated
with 100 Ohm resistors (R3 and R4).
These signals correspond to single-ended I/O on the LCD
Multimedia HSMC. R3 connects HC_RX_CLK and
HC_TD_27MHZ and R4 connects HC_ADC_PENIRQ_n and
HC_TX_CLK. To avoid unwanted noise on signals, users are
advised to turn off the peripherals as shown in the Table A1
below.
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