-8-
PN2 Expansion connector
# Signal Function # Signal Function
A1 GND Signal GND B1 GND Signal GND
A2 GND Signal GND B2 GND Signal GND
A3 VCC_5 VCC5V B3 VCC_5 VCC5V
A4 VCC_5 VCC5V B4 VCC_5 VCC5V
A5 VCC_3.3 VCC3.3V B5 CADD0 Address bus O
A6 VCC_3.3 VCC3.3V B6 CADD1 Address bus O
A7 VCC_3.3 VCC3.3V B7 GND Signal GND
A8 VCC_3.3 VCC3.3V B8 CADD2 Address bus O
A9 CADD16 Address bus O B9 CADD3 Address bus O
A10 CADD17 Address bus O B10 CADD4 Address bus O
A11 CADD18 Address bus O B11 CADD5 Address bus O
A12 CADD19 Address bus O B12 CADD6 Address bus O
A13 CADD20 Address bus O B13 CADD7 Address bus O
A14 CADD21 Address bus O B14 CADD8 Address bus O
A15 CADD22 Address bus O B15 CADD9 Address bus O
A16 CADD23 Address bus O B16 CADD10 Address bus O
A17 CADD24 Address bus O B17 CADD11 Address bus O
A18 CADD25 Address bus O B18 CADD12 Address bus O
A19 WR0 Write signal 0 O B19 CADD13 Address bus O
A20 WR1 Write signal 1 O B20 CADD14 Address bus O
A21 WR2 Write signal 2 O B21 CADD15 Address bus O
A22 WR3 Write signal 3 O B22 MAINCLK2 Clock O
A23 RD Read signal O B23 WR Write signal 0 O
A24 BS O B24 NC
A25 GND Signal GND B25 GND Signal GND
A26 CDA8 Data bus I/O B26 CDAT0 Data bus I/O
A27 CDA9 Data bus I/O B27 CDAT1 Data bus I/O
A28 CDA10 Data bus I/O B28 CDAT2 Data bus I/O
A29 CDA11 Data bus I/O B29 CDAT3 Data bus I/O
A30 CDA12 Data bus I/O B30 CDAT4 Data bus I/O
A31 CDA13 Data bus I/O B31 CDAT5 Data bus I/O
A32 CDA14 Data bus I/O B32 CDAT6 Data bus I/O
A33 CDA15 Data bus I/O B33 CDAT7 Data bus I/O
A34 IRQSUB0 IRQ0 IB34 CS0 Reserved O