83C166 Siemens Semiconductor Group, 83C166 Datasheet - Page 47

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

Figure 13-4
External Memory Cycle: Demultiplexed Bus, No Read/Write Delay, Extended ALE
Semiconductor Group
Write Cycle
Read Cycle
(D15-D8)
A17-A16
(D15-D8)
A15-A0
D7-D0
D7-D0
BHE
ALE
BUS
BUS
WR
RD
t
5
t
6
t
t
9
9
t
t
16
17
Address
46
t
t
15
13
t
13
t
22
Data Out
Data In
SAB 80C166/83C166
t
t
t
26
28
t
24
18
t
21