參數(shù)資料
型號: C164SL
廠商: INFINEON TECHNOLOGIES AG
英文描述: 16-Bit Single-Chip Microcontroller
中文描述: 16位單片機
文件頁數(shù): 77/79頁
文件大小: 1314K
代理商: C164SL
C164CI/SI
C164CL/SL
Data Sheet
73
V2.0, 2001-05
External XRAM Access
If XPER-Share mode is enabled the on-chip XRAM of the C164CI can be accessed
(during hold states) by an external master like an asynchronous SRAM.
Figure 25
External Access to the XRAM
Table 16
Parameter
XRAM Access Timing
(Operating Conditions apply)
Symbol
Limit Values
min.
4
0
2
0
10
1
18
SR
t
40
Unit
max.
37
10
Address setup time before RD/WR falling edge
Address hold time after RD/WR rising edge
Data turn on delay after RD falling edge
Data output valid delay after address latched
Data turn off delay after RD rising edge
Write data setup time before WR rising edge
Write data hold time after WR rising edge
WR pulse width
WR signal recovery time
t
40
t
41
SR
SR
ns
ns
ns
ns
ns
ns
ns
ns
ns
R
t
42
CC
t
44
CC
t
45
t
46
t
47
t
48
t
43
CC
W
SR
SR
SR
Read Data
43
t
42
t
44
t
MCT04423
(RD, WR)
Write Data
Command
Address
40
t
45
t
47
t
46
t
48
t
41
t
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