C167CR
C167SR
CLKOUT
HOLD
HLDA
BREQ
CS
tc28
tc30
1)
tc29
2)
tc31
3)
tc33
Other
Signals
MCT04421
Figure 20
External Bus Arbitration, Releasing the Bus
Notes
1)
The C167CR will complete the currently running bus cycle before granting bus access.
This is the first possibility for BREQ to get active.
2)
3)
The CS outputs will be resistive high (pullup) after t33. Latched CS outputs are driven high for 1 TCL before
the output drivers are switched off.
Data Sheet
66
V3.2, 2001-07