Z80182 Zilog., Z80182 Datasheet - Page 84

• Manufacturer Part Number: Z80182
• Description: Z8018x Family MPU
• Manufacturer: Zilog.

Zilog
TIMING DIAGRAMS (Continued)
3-84
Data /MREQ,
/INTSCC [4]
/Data IN [1]
/MREQ [2]
/BUSREQ
/RD, /WR,
/RFSH [2]
/BUSACK
/IORQ [1]
Address
/M1 [1]
/IORQ
/HALT
/INTI
/NMI
Ø
Notes:
[1] During /INT0 acknowledge cycle
[2] During refresh cycle
31
34
(/INT0 Acknowledge Cycle, Refresh Cycle, BUS RELEASE Mode
32
33
35
HALT Mode, SLEEP Mode, SYSTEM STOP Mode)
41
43
[3] Output buffer is off at this point
[4] Refer to T able C, parameter 7
39
P R E L I M I N A R Y
Figure 91. CPU Timing
36
38
C7
[3]
34
35
29
40
37
15
38
43
44
16
Z
ILOG
I
NTELLIGENT
DS971820600
Z80182/Z8L182
P
ERIPHERAL