Spectrum Digital eZdsp R2812 USB, Technical Reference, Page: 21 / 46

Spectrum Digital, Inc
2-9
The definition of P2, which has the I/O signal interface is shown below.
* Default is No Connect (NC). User can jumper to +3.3V or +5V on backside of eZdsp
with JP5.
Table 5: P2, Expansion Interface Connector
Pin # Signal Pin # Signal
1 +3.3V/+5V/NC * 2 +3.3/+5V/NC *
3 XD0 4 XD1
5 XD2 6 XD3
7 XD4 8 XD5
9 XD6 10 XD7
11 XD8 12 XD9
13 XD10 14 XD11
15 XD12 16 XD13
17 XD14 18 XD15
19 XA0 20 XA1
21 XA2 22 XA3
23 XA4 24 XA5
25 XA6 26 XA7
27 XA8 28 XA9
29 XA10 30 XA11
31 XA12 32 XA13
33 XA14 34 XA15
35 GND 36 GND
37 XZCS0AND1n 38 XZCS2n
39 XREADY 40 10K Pull-up
41 XRnW 42 10K Pull-up
43 XWE 44 XRDn
45 +3.3V 46 XNMI/INT13
47 XRSn/RSn 48 No connect
49 GND 50 GND
51 GND 52 GND
53 XA16 54 XA17
55 XA18 56 XHOLDn
57 XHOLDAn 58 No connect
59 No connect 60 No connect