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Evaluation Boards 50/72

netRAPID Chip Carrier | Design Guide

7.4.4 Host interface mode (X5)

X5 Pin Signal Pin

(chip

carrier)

Description

1 Low via 2.2 k to GND

2 Low via 2.2 k to GND

3 DPM_STRQ 40

4 DPM_DIRQ 39

5 open

6 open

Table 36: Pin Assignment X5

Position in Figure 16 on page 39 or Figure 17 on page 43.

Set host interface

Use a jumper to set the host interface mode. The mode is read during the start-up phase. If parallel

dual-port memory mode is set, then the data width of 8 or 16 bit has to be selected.

X5 Host Interface Mode Jumper Position

Serial dual-port memory mode Jumper from pin 2 to 4.

Parallel dual-port memory mode

16 bit

Jumper from pin 4 to 6 and jumper from pin 1 to 3.

Parallel dual-port memory mode

8 bit

Jumper from pin 4 to 6 and jumper from pin 3 to 5.

Table 37: Jumper position to set host interface mode

1 2 ... 45 46 47 48 49 50 51 52 53 54 55 ... 71 72

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Carrier 30HH Service Manual Page 50