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8.2.Application Headers
Table 8-5 and belowTable 8-6 show the standard application header connections.
Note: Asterisk indications apply to all tables in this section
* marks pins where a the link to the microcontroller pin is via a 100R resistor and to BOARD VCC via a 4k7 resistor (100R ID & 4k7 ID)
** marks pins where a the link to the microcontroller pin is open circuit due to unfitted link (link ID in brackets)
*** marks pins where a the link to the microcontroller pin is via a fitted 0R link (link ID in brackets)
JA1
Pin Header Name CPU board
Signal Name
Device Pin Pin Header Name CPU board
Signal Name
Device Pin
1 5V CON_5V - 14 DAC1 DA1 93*** (R10)
2 0V(5V) GROUND - 15 IO_0 IO0 95
3 3V3 CON_3V3 - 16 IO_1 IO1 96
4 0V(3V3) GROUND - 17 IO_2 IO2 97
5 AVcc CON_AVCC 84** (R57) 18 IO_3 IO3 98
6 AVss AVSS 94 19 IO_4 IO4 99
7 AVref CON_VREF 85** (R39) 20 IO_5 IO5 100
8 ADTRG ADTRGn 57** (R59) 21 IO_6 IO6 101
9 AD0 AN0 86** (R21) 22 IO_7 IO7 102
10 AD1 AN1 87 23 IRQ3 IRQ3n 56
11 AD2 AN2 88 24 IIC_EX - -
12 AD3 AN3 89 25 IIC_SDA SDA2 106* (R13 & R4)
13 DAC0 DA0 92*** (R9) 26 IIC_SCL SCL2 105* (R12 & R3)
Table 8-5: JA1 Standard Generic Header
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