SAB-C165 SIEMENS [Siemens Semiconductor Group], SAB-C165 Datasheet - Page 35

• Manufacturer Part Number: SAB-C165
• Description: C16x-Family of High-Performance CMOS 16-Bit Microcontrollers
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

Figure 12-1
External Memory Cycle: Multiplexed Bus, With Read/Write Delay, Normal ALE
Semiconductor Group
WRL, WRH
Write Cycle
Read Cycle
(A15-A8)
A23-A16
RdCSx
WrCSx
ALE
CSx
BHE
BUS
BUS
WR,
RD
t
5
t
6
Address
Address
t
38
t
t
t
t
8
42
8
42
t
t
17
7
t
t
t
t
10
44
10
44
t
t
16
39
Address
34
t
t
t
t
14
12
46
48
t
t
12
48
t
t
22
50
Data Out
Data In
t
t
51
18
t
t
t
19
t
27
52
t
t
t
25
23
56
54
t
40
C165