SENA HD1200 User Manual
Page 36
Starter Kit and User Manual for the HelloDevice 1200
33
!" 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