
MPC850 PowerQUICC Integrated Communications Processor Hardware Specifications, Rev. 2
Freescale Semiconductor
29
Bus Signal Timing
Figure 17 provides the timing for the asynchronous asserted UPWAIT signal controlled by the UPM.
Figure 17. Asynchronous UPWAIT Asserted Detection in UPM Handled Cycles Timing
Figure 18 provides the timing for the asynchronous negated UPWAIT signal controlled by the UPM.
Figure 18. Asynchronous UPWAIT Negated Detection in UPM Handled Cycles Timing
CLKOUT
CSx
UPWAIT
GPL_A[0–5],
GPL_B[0–5]
BS_A[0:3],
BS_B[0:3]
B37
B38
CLKOUT
CSx
UPWAIT
GPL_A[0–5],
GPL_B[0–5]
BS_A[0:3],
BS_B[0:3]
B37
B38