Gasboy CFN Series Diagnostic Manual - Manual (Page 351)

Site Controller III
1116 12-17
P1 - CPU PCB Interface (Continued)
Pins C1 - C32
Pinout Pin Function Voltage
C1 +5VDC +5VDC
C2 MBSET – Not used; grounded on memory board 0VDC – Normal
C3 R/W – Write Enable  0VDC – Write
C4 WS4 – Wait state 4  0VDC – ON
C5 WS0 – Wait state 0  0VDC – ON
C6 A1 – Address 1  +5VDC – ON
C7 A3 – Address 3  +5VDC – ON
C8 A5 – Address 5  + 5VDC – ON
C9 A7 – Address 7  +5VDC – ON
C10 A9 – Address 9  +5VDC – ON
C11 A11 – Address 11  +5VDC – ON
C12 A13 – Address 13  +5VDC – ON
C13 A15 – Address 15  +5VDC – ON
C14 A17 – Address 17  +5VDC – ON
C15 A19 – Address 19  +5VDC – ON
C16 A21 – Address 21  +5VDC – ON
C17 A23 – Address 23  +5VDC – ON
C18 MD15 – Data 15  +5VDC – ON
C19 MD13 – Data 13  +5VDC – ON
C20 MD11 – Data 11  +5VDC – ON
C21 MD9 – Data 9  +5VDC – ON
C22 MD7 – Data 7  +5VDC – ON
C23 MD5 – Data 5  +5VDC – ON
C24 MD3 – Data 3  +5VDC – ON
C25 MD1 – Data 1  +5VDC – ON
C26 FC0  +5VDC – ON
C27 FC2  +5VDC – ON
C28 CS0 – Chip Select 0  0VDC – ON
C29 RESET – Reset +5VDC normal; 0VDC reset
C30 DTACK  0VDC – ON
C31 DREQ  0VDC – ON
C32 CLK0  +5VDC – ON