83C166 Siemens Semiconductor Group, 83C166 Datasheet - Page 46

• Manufacturer Part Number: 83C166
• Description: 16-Bit CMOS Single-Chip Microcontroller
• Manufacturer: Siemens Semiconductor Group

Figure 13-3
External Memory Cycle: Demultiplexed Bus, No Read/Write Delay, Normal ALE
Semiconductor Group
Write Cycle
Read Cycle
(D15-D8)
A17-A16
(D15-D8)
A15-A0
D7-D0
D7-D0
BHE
BUS
ALE
BUS
WR
RD
t
5
t
6
t
t
9
9
t
17
t
16
Address
45
t
t
15
13
t
13
t
22
Data Out
Data In
t
t
t
t
18
26
28
24
t
21
SAB 80C166/83C166