SAB-C167SR-LM SIEMENS [Siemens Semiconductor Group], SAB-C167SR-LM Datasheet - Page 58

• Manufacturer Part Number: SAB-C167SR-LM
• Description: 16-Bit CMOS Single-Chip Microcontroller
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

Figure 15-1
External Memory Cycle: Demultiplexed Bus, With Read/Write Delay, Normal ALE
Semiconductor Group
WRL, WRH
Write Cycle
Read Cycle
(D15-D8)
(D15-D8)
A23-A16
A15-A0
RdCSx
WrCSx
D7-D0
D7-D0
BUS
BHE
BUS
ALE
CSx
WR,
RD
t
5
t
6
t
38
t
t
t
t
8
42
8
42
t
17
t
t
16
39
Address
55
t
t
t
t
14
12
46
48
t
t
12
48
t
t
22
50
Data Out
Data In
t
51
t
t
t
t
t
t
18
26
28
55
24
57
t
t
20
53
t
41
C167SR