z86e21 ZiLOG Semiconductor, z86e21 Datasheet - Page 8

• Manufacturer Part Number: z86e21
• Description: Cmos Z8 Otp Microcontroller
• Manufacturer: ZiLOG Semiconductor

AC CHARACTERISTICS
External I/O or Memory Read or Write Timing Diagram
8
Port 0, /DM
(Read)
(Write)
Port 1
Port 1
R//W
/DS
/DS
/AS
4
12
19
1
A
External I/O or Memory Read/Write Timing
7
- A
A
7
0
- A
2
0
17
5
16
14
3
8
D
7
- D
6
0
OUT
7
D
7
- D IN
18
0
11
13
15
10
9