Spectrum Digital eZdsp R2812 USB Technical Reference page 23

The pin definition of P4/P8 connectors are shown in the table below.
P4
P4 Signal
Pin #
1 +3.3V/+5V/NC *
2 XINT2/ADCSOC
3 MCLKXA
4 MCLKRA
5 MFSXA
6 MFSRA
7 MDXA
8 MDRA
9 No connect
10 GND
11 CAP5/QEP4
12 CAP6/QEPI2
13 T3PWM/T3CMP
14 T4PWM/T4CMP
15 TDIRB
16 TCLKINB
17 XF/XPLLDISn
18 SCITXDB
19 SCIRXDB
20 GND
* Default is No Connect (NC). User can jumper to +3.3V or +5V on backside of eZdsp
with JP4.
Table 6: P4/P8, I/O Connectors
P8
P8 Signal
Pin #
1 +3.3V/+5V/NC *
3 SCITXDA
5 XINT1n/XBIOn
7 CAP2/QEP2
9 PWM1
11 PWM3
13 PWM5
15 T1PWM/T1CMP
17 TDIRA
19 GND
21 No connect
23 SPISIMOA
25 SPICLKA
27 CANTXA
29 XCLKOUT
31 PWM8
33 PWM10
35 PWM12
37 T1CTRIP/PDPINTAn
39 GND
Spectrum Digital, Inc
P8
P8 Signal
Pin #
2 +3.3V/+5V/NC *
4 SCIRXDA
6 CAP1/QEP1
8 CAP3/QEPI1
10 PWM2
12 PWM4
14 PWM6
16 T2PWM/T2CMP
18 TCLKINA
20 GND
22 XINT1N/XBIOn
24 SPISOMIA
26 SPISTEA
28 CANRXA
30 PWM7
32 PWM9
34 PWM11
36 CAP4/QEP3
38 T3CTRIP/PDPINTBn
40 GND
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