SENA HD1200 - Manual (Page 36)

Starter Kit and User Manual for the HelloDevice 1200
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!" RJ45 connector for Ethernet interface
Figure 6.5 shows the components and pin assignment of the HelloDevice Dual-Port RAM Demo Board.
Interface pin assignment is also summarized in Table 6.7.
Connector Pin Symbol Description
1 Vcc Vcc
2 ~ 12 BA0 ~ BA10 Dual-Port RAM address line
13 ~ 20 BD0 ~ BD7 Dual-Port RAM data line
21 nBusy Dual-Port RAM control line (Busy)
22 NIRQ Dual-Port RAM control line (IRQ)
23 nRead Dual-Port RAM control line (Read)
24 NCE Dual-Port RAM control line (Chip Enable)
25 nWrite Dual-Port RAM control line (Write)
DPRAM
26 NGND GND
1 ~ 8 DB0 ~ DB7 AD converter 8 bit data line
9 ADRD AD converter control line (Read)
10 ADCS AD converter control line (Chip Select)
11 ADINTR AD converter control line (Interrupt)
12 ADWR AD converter control line (Write)
13 ~ 16 IN0 ~ IN3 4 point input line
ADC &
IO
17 ~ 20 OUT0 ~ OUT3 4 point output line
Table 6.7. the HelloDevice demo board pin assignment