z80180 ZiLOG Semiconductor, z80180 Datasheet - Page 42

• Manufacturer Part Number: z80180
• Description: Microprocessor Unit
• Manufacturer: ZiLOG Semiconductor

Timer Output Timing
PS014004-1106
Execution Cycle
ø
INTi
NMI
A
MREQ, M1
RD
HALT
0
–A
18
SLEEP Instruction fetch
A
18
T
/T
3
OUT
Timer Data
Reg.=0000h
T
1
Figure 24. SLEEP Execution Cycle
Figure 23. Timer Output Timing
43
T
2
55
31
T
S
33
32
T
S
Next Opcode fetch
44
T
1
T
Microprocessor Unit
2
Architecture
Z80180
36