z85c30 ZiLOG Semiconductor, z85c30 Datasheet - Page 49

• Manufacturer Part Number: z85c30
• Description: Cmos Scc Serial Communications Controller
• Manufacturer: ZiLOG Semiconductor

PS011705-0608
DTR/REQ
A/B, D/C
INTACK
Request
Request
W/REQ
W/REQ
D7–D0
D7–D0
PCLK
Read
Write
Wait
INT
RD
WR
CE
10
Figure 29. Z85C30 Read/Write Timing Diagram
19
13
6
16
11
23
27
32
34
Active
22
25
29
33
1
CMOS SCC Serial Communications Controller
31
5
28
Valid
37
24
2
35
26
9
14
20
36
3
17
12
30
7
21
10
4
Product Specification
15
18
Electrical Characteristics
45