Z8S180 Zilog., Z8S180 Datasheet - Page 301

• Manufacturer Part Number: Z8S180
• Description: ENHANCED Z180 MICROPROCESSOR
• Manufacturer: Zilog.

OTHER OPERATION MODE TRANSITIONS
The following operation mode transitions are also possible.
1.
2.
–
–
–
HALT
IOSTOP
SLEEP
SYSTEM STOP
DREQ0, DREQ1 = 1
memory to/from (memory mapped)
I/O DMA transfer
BCR0, BCR1 =
NMI = 0 (all DMA transfers)
0000H
(all DMA transfers)
{
{
DMA
REFRESH
BUS RELEASE
DMA
REFRESH
BUS RELEASE
BUS RELEASE
BUS RELEASE
MPU User Manual
UM005001-ZMP0400
Z8018x Family
}
}
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