SAB-C167CR-LM

Manufacturer Part NumberSAB-C167CR-LM
Description16-bit microcontroller with 2x2 KByte RAM
ManufacturerInfineon Technologies AG
SAB-C167CR-LM datasheet
 


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
Page 71
72
Page 72
73
Page 73
74
Page 74
Page 72/74:

External XRAM Access

Download datasheet (2Mb)Embed
PrevNext

External XRAM Access

If XPER-Share mode is enabled the on-chip XRAM of the C167CR can be accessed
(during hold states) by an external master like an asynchronous SRAM.
Table 19
XRAM Access Timing (Operating Conditions apply)
Parameter
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
1)
The minimum access cycle time is 60 ns.
Address
Command
(RD, WR)
Write Data
Read Data
Figure 22
External Access to the XRAM
Data Sheet
Symbol
t
40
t
41
t
42
t
43
t
44
t
45
t
46
t
47
t
48
t
40
t
47
t
43
t
42
68
C167CR
C167SR
1)
Limits
min.
max.
SR 4
SR 0
CC 1
CC –
40
CC 1
14
SR 10
SR 2
SR 20
t
SR
40
t
41
t
48
t
46
t
45
t
44
MCT04423
V3.2, 2001-07
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns