z80189 ZiLOG Semiconductor, z80189 Datasheet - Page 299

• Manufacturer Part Number: z80189
• Description: Z80180, Z8s180, Z8l180 Mpu Operation
• Manufacturer: ZiLOG Semiconductor

Z8018x
Family MPU User Manual
283
Note: If Bus Request and Refresh Request occur simultaneously,
Bus Request is accepted but Refresh Request is cleared.
OPERATION MODE TRANSITION
NORMAL *1
RESET = 0
HALT
RESET
SYSTEM
SLEEP
STOP
IOSTOP
UM005003-0703