Other operation mode transitions – Zilog Z80180 User Manual
Page 301
Z8018x
Family MPU User Manual
UM005003-0703
285
–
DREQ0, DREQ1 = 1
memory to/from (memory mapped)
I/O DMA transfer
–
BCR0, BCR1 =
0000H
(all DMA transfers)
–
NMI = 0 (all DMA transfers)
OTHER OPERATION MODE TRANSITIONS
The following operation mode transitions are also possible.
1.
HALT
DMA
REFRESH
BUS RELEASE
IOSTOP
DMA
REFRESH
BUS RELEASE
2.
SLEEP
BUS RELEASE
SYSTEM STOP
BUS RELEASE
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