83C166 Siemens Semiconductor Group, 83C166 Datasheet - Page 41

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

Figure 12-4
External Memory Cycle: Multiplexed Bus, No Read/Write Delay, Extended ALE
Semiconductor Group
Write Cycle
Read Cycle
(A15-A8)
A17-A16
BHE
BUS
ALE
WR
BUS
RD
t
5
t
6
Address
Address
t
t
9
9
t
t
t
16
17
7
Address
40
t
11
t
11
t
t
15
13
t
13
t
22
Data Out
Data In
SAB 80C166/83C166
t
18
t
19
t
t
25
27
t
23