Motorola M68CPU32BUG Manuel d'utilisateur Page 191

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USER CUSTOMIZATION
M68CPU32BUG REV 1 C-17
C.7 BCC REV. C CHIP SELECTION SUMMARY
The table below covers Rev. C of the M68332BCC Business Card Computer and M68332PFB
Platform Board.
Table C-5. BCC Rev. C Chip Selection Summary
Signal Board/Chip Description Memory Type
CSBOOT BCC U3 CPU32Bug EPROM for MSB=UPPER=EVEN
CSBOOT BCC U4 CPU32Bug EPROM for LSB=LOWER=ODD
CS0 BCC U1 write enable for MSB=UPPER=EVEN RAM
CS1 BCC U2 write enable for LSB=LOWER=ODD RAM
CS2 BCC U3/U1 read enable for MSB/LSB=BOTH RAM
CS3 <unused>
CS4 PFB ABORT push-button autovector
CS5 PFB U5 chip enable for MC68881/882. cut/-jump U5-J3 from
CS2 to CS5 required.
CS6 PFB U2 read enable for LSB=LOWER=ODD RAM/EPROM
CS7 PFB U4 read enable for MSB=UPPER=EVEN RAM/EPROM
CS8 PFB U1/U3 read enable for MSB/LSB=BOTH RAM
CS9 PFB U1 write enable for LSB=LOWER=ODD RAM
CS10 PFB U3 write enable for MSB=UPPER=EVEN RAM
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