Spectrum Digital eZdsp R2812 USB, Technical Reference, Page: 23 / 46

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