Z85C3008PEG Datasheet, PDF (56/81 Pages) Zilog, Inc. – CMOS SCC Serial Communications Controller

CMOS SCC Serial Communications Controller
Product Specification
48
AC Characteristics
Figures 29 through 32 display Read and Write timing for the Z85C30 device.
PCLK
A/B, D/C
INTACK
CE
RD
D7–D0
Read
WR
D7–D0
Write
W/REQ
Wait
W/REQ
Request
DTR/REQ
Request
INT
1
6
10
11
13
16
19
23
27
22
Active
25
2
5
3
7
9
12
14
4
10
15
18
20
21
Valid
24
17
26
28
31
30
29
32
35
33
34
36
37
Figure 29. Z85C30 Read/Write Timing Diagram
PS011706-0511
Electrical Characteristics