I-bus/Phoenix G8, User Manual

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G8 CPCI Enclosure User’s Guide
A1-7
Appendix 1 - Technical Reference
P4 Connector Pin Assignments
P4 Signal Descriptions
General VCC 5V power
+12: 12V power
GND to digital signal ground plane
NU Not used
Miscellaneous BTI_ LM78 BTI# digital
Signals TTL levels input (see National semiconductor
LM78 datasheet)
Ethernet, RS422 EFL2/1 Float plane signals
levels ERX+/-_(1&2) Differential receive line pair
ETX+/-_(1&2) Differential transmit line pair
LANACT2 LAN LED's
LANLNK2 LAN LED's
LANSPD2 LAN LED's
Pin # Z A B C D E F
25 GND LANACT2 LANLNK2 LANSPD2 NU VCC GND
24 GND CS1FXb_ CS3FXb_ DASPb_ GND NU GND
23 GND IOCS16b_ DA1b GND DA0b DA2b GND
22 GND GND IORDYb NU DMAKb_ INTRQb GND
21 GND DMARQb GND DIOWb_ GND DIORb_ GND
20 GND DD14b DD0b DD15b GND PDIAGb
_
GND
19 GND DD3b DD12b DD2b DD13b DD1b GND
18 GND DD9b_ DD5b DD10b DD4b DD11b GND
17 GND DRESETb_ GND DD7b DD8b DD6b GND
16 GND ETX1+ ETX1- SRX1+ SRX1- GND GND
15 GND GND VCC VCC NU NU GND
Key 12-14
11 GND BLUE DACVSS NU GND GND GND
10 GND TERMPWR HSYNC VSYNC RED GREEN GND
9 GND GND GND TERMPWR TERMPW
R
TERMP
WR
GND
8 GND SCDPH_ SCD15_ SCD14_ SCD13_ SCD12_ GND
7 GND SCD4_ SCD3_ SCD2_ SCD1_ SCD0_ GND
6 GND GND SCPL_ SCD7_ SCD6_ SCD5_ GND
5 GND GND WDET_ VCC VCC NDET_ GND
4 GND SRST_ ACK_ BSY_ GND ATN_ GND
3 GND I/O_ REQ_ C/D_ SEL_ MSG_ GND
2 GND NU SCD11_ SCD9_ SCD9_ SCD8_ GND
1 GND NU ETX2+ ETX2- ERX2+ ERX2- GND
Table A1-4: P4 Connector Pin Assignments (system slot)