Fluke PM6690 Service Manual page 97

Figure 6-90
Microprocessor bus - USB timing - Power On.
WR
RD
OEP
AØ
CS
Figure 6-91
Figure 6-92
Microprocessor bus - GPIB timing - Power On.
FIFO timing - Block:5, Single Period, 10 MHz.
Troubleshooting 6-53
WR
RD
GPIB DIR
OEP
AØ
CS
START
INTERPOL
EMPTY
ALERT
CS FPGA
UPR
RD