ZiLOG Z8

Z8 Microcontrollers
ZiLOG List of Figures
Figure Title Page
UM001601-0803 xiii
Chapter 10. External Interface
Z8 External Interface Pins .........................................................................................................10-1
External Address Configuration .................................................................................................10-3
Z8 Stack Selection .....................................................................................................................10-4
Port 3 Data Memory Operation ..................................................................................................10-4
External Instruction Fetch or Memory Read Cycle ....................................................................10-5
External Memory Write Cycle ....................................................................................................10-6
Extended External Instruction Fetch or Memory Read Cycle ....................................................10-7
Extended External Memory Write Cycle ....................................................................................10-8
Extended Bus Timing ................................................................................................................10-8
Instruction Cycle Timing (One-Byte Instructions) ......................................................................10-9
Instruction Cycle Timing (Two and Three Byte Instructions) ...................................................10-10
Chapter 11. Addressing Modes
8-Bit Register Addressing ..........................................................................................................11-2
4-Bit Register Addressing ..........................................................................................................11-2
4-Bit Register Addressing ..........................................................................................................11-3
Indirect Register Addressing to Program or Data Memory ........................................................11-4
Indexed Register Addressing ....................................................................................................11-5
Direct Addressing ......................................................................................................................11-6
Relative Addressing ...................................................................................................................11-7
Immediate Data Addressing ......................................................................................................11-8