
JA2 
Pin  Generic Header Name  CPU board 
Signal Name 
Pin  Header Name  CPU board 
Signal Name 
1 Open drain  RESn 2  External Clock Input  EXTAL 
3 Open drain  NMIn 4  Regulated Supply 1  Vss1 
5  Open drain output  WDT_OVF  6 Serial Port  SCIaTX 
7 Open drain WUP  IRQ0  8 Serial Port  SCIaRX 
9 Open drain  IRQ1 10 Serial Port  SCIaCK 
11 Up/down  MO_UD 12  Serial Port Handshake  CTS/RTS 
13 Motor control  MO_Up 14 Motor control  MO_Un 
15 Motor control  MO_Vp 16 Motor control  MO_Vn 
17 Motor control  MO_Wp 18 Motor control  MO_Wn 
19 Output  TMR0 20 Output  TMR1 
21 Input  TRIGa 22 Input  TRIGb 
23 Open drain  IRQ2 24 Tristate Control  TRSTn 
25 SPARE  - 26 SPARE  - 
Table 5-2: JA2 Standard Generic Header
Table 5-3 and Table 5-4 below show the optional generic header connections
JA5 
Pin  Generic Header Name  CPU board 
Signal Name 
Pin  Header Name  CPU board 
Signal Name 
1 ADC4  I4  AD4  2 ADC5  I5  AD5 
3 ADC6  I6  AD6  4 ADC7  I7  AD7 
5 CAN  CAN1TX 6 CAN  CAN1RX 
7 CAN  CAN2TX 8 CAN  CAN2RX 
9 Reserved    10 Reserved   
11 Reserved    12 Reserved   
13 Reserved    14 Reserved   
15 Reserved    16 Reserved   
17 Reserved    18 Reserved   
19 Reserved    20 Reserved   
21 Reserved    22 Reserved   
23 Reserved    24 Reserved   
Table 5-3: JA5 Optional Generic Header 
12