Ethernet & USB User's Manual

Table 5-5 below shows the Memory Expansion connections
These connections support 5 to 3.3V level translation.
JA3
Pin Generic Header Name Signal Name Pin Header Name Signal Name
1 A(0) A(0) 2 A(1) A(1)
3 A(2) A(2) 4 A(3) A(3)
5 A(4) A(4) 6 A(5) A(5)
7 A(6) A(6) 8 A(7) A(7)
9 A(8) A(8) 10 A(9) A(9)
11 A(10) A(10) 12 A(11) A(11)
13 A(12) A(12) 14 A(13) A(13)
15 A(14) A(14) 16 A(15) A(15)
17 D(0) D(0) 18 D(1) D(1)
19 D(2) D(2) 20 D(3) D(3)
21 D(4) D(4) 22 D(5) D(5)
23 D(6) D(6) 24 D(7) D(7)
25 RDn RDn 26 WRn WRn
27 CS1n CS1n 28 CS2n CS2n
29 D(8) D(8) 30 D(9) D(9)
31 D(10) D(10) 32 D(11) D(11)
33 D(12) D(12) 34 D(13) D(13)
35 D(14) D(14) 36 D(15) D(15)
37 A(16) A(16) 38 A(17) A(17)
39 A(18) A(18) 40 A(19) A(19)
41 A(20) A(20) 42 A(21) A(21)
43 A(22) A(22) 44 SDCLK SDCLK
45 CS3n CS3n 46 ALE ALE
47 WR1n WR1n 48 WR0n WR0n
49 CASn CASn 50 RASn RASn
Table 5-5: JA3 Memory Expansion connector
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