z85230 ZiLOG Semiconductor, z85230 Datasheet - Page 83
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z85230
Manufacturer Part Number
z85230
Description
Enhanced Serial Communications Controller
Manufacturer
ZiLOG Semiconductor
Datasheet
1.Z85230.pdf
(117 pages)
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PS005303-0907
DTR/REQ
AD7-AD0
AD7-AD0
INTACK
W/REQ
W/REQ
Request
Request
Read
Write
Write
PCLK
Read
CS0
R/W
W/R
Wait
CS1
INT
DS
AS
7
15
15
3
1
40
Figure 24. Z80230 Read/Write Timing Diagram
42
16
16
4
41
8
12
5
17
9
24
28
22
11
43
25
19
26
21
44
13
27
14
2
20
6
10
18
10
23
Product Specification
Electrical Characteristics
Z85230/Z80230
78