z80189 ZiLOG Semiconductor, z80189 Datasheet - Page 14

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

xvi
Op Code Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 247
Bus Control Signal Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . 251
Operating Modes Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 281
Status Signals 287
I/O Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 293
Z8018x
Family MPU User Manual
Table 43.
Table 44.
Table 45.
Table 46.
Table 47.
Table 48.
Table 49.
Table 50.
Table 51.
Table 52.
Table 53.
Table 54.
Table 55.
Table 56.
Table 57.
Block Transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225
Stock and Exchange . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227
Program Control Instructions . . . . . . . . . . . . . . . . . . . . . . 229
I/O Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231
Special Control Instructions . . . . . . . . . . . . . . . . . . . . . . . 235
1st Op Code Map Instruction Format: XX . . . . . . . . . . . 247
2nd Op Code Map Instruction Format: CB XX . . . . . . . 249
2nd Op Code Map Instruction Format: ED XX . . . . . . . 250
Bus and Control Signal Condition in Each
Machine Cycle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251
Interrupts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 279
Request Acceptances in Each Operating Mode . . . . . . . . 281
The Z80180 Types of Requests . . . . . . . . . . . . . . . . . . . . 282
Pin Outputs in Each Operating Mode. . . . . . . . . . . . . . . . 287
Pin Status During RESET and
LOW POWER OPERATION Modes. . . . . . . . . . . . . . . . 289
Internal I/O Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . 293
UM005003-0703