z89136 ZiLOG Semiconductor, z89136 Datasheet - Page 13

• Manufacturer Part Number: z89136
• Description: Low-cost Dtad Controller
• Manufacturer: ZiLOG Semiconductor

Zilog
AC CHARACTERISTIC
External I/O or Memory Read and Write Timing Diagram
DS97TAD0300
Port 0, /DM
(Read)
(Write)
Port 1
Port1
R//W
/DS
/DS
/AS
4
12
19
1
Figure 6. External I/O or Memory Read/Write Timing
A7 - A0
A7 - A0
2
17
P R E L I M I N A R Y
5
16
14
3
8
D7 - D0 OUT
6
7
D7 - D0 IN
18
Low-Cost DTAD Controller
Z89135/136 (ROMless)
11
13
15
10
9
1-13
1