Other Operation Mode Transitions - ZiLOG Z8018 Series User Manual

OTHER OPERATION MODE TRANSITIONS

The following operation mode transitions are also possible.
1.
2.
– DREQ0, DREQ1 = 1
memory to/from (memory mapped)
I/O DMA transfer
– BCR0, BCR1 =
– NMI = 0 (all DMA transfers)
HALT
IOSTOP
SLEEP
SYSTEM STOP
Family MPU User Manual
(all DMA transfers)
0000H
{
DMA
REFRESH
BUS RELEASE
{
DMA
REFRESH
BUS RELEASE
BUS RELEASE
BUS RELEASE
Z8018x
285
}
}
UM005004-0918