mfr4200 Freescale Semiconductor, Inc, mfr4200 Datasheet - Page 237
mfr4200
Manufacturer Part Number
mfr4200
Description
Flexray Communication Controllers
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MFR4200.pdf
(260 pages)
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1
2
3
4
Freescale Semiconductor
- HCS12 limitation because of HCS12 specification.
Num
Column Restriction:
- CC limitation by the Communication Controller but complies to HCS12.
{ .. } - values in ns if the CC_CLK = 40 MHz
If the parameter is not met then ECLK signal deassertion cannot be sampled and the write/read window cannot be calculated.
(X)Addr and LSTRB are taken over by the controller with the rising edge of the ECLK.
3,11
6(4)
10
12
13
14
15
20
21
22
1
2
4
5
7
8
9
ECLK high access time (ECLK
ECLK rise to write data invalid
Multiplexed address hold time
Low strobe valid to ECLK rise
Address valid time to E rise
RW valid time to ECLK rise
high to Read Data valid)
Pulse width, ECLK High
Pulse width, ECLK Low
Low strobe delay time
Read data setup time
Write data delay time
Data hold to address
Low strobe hold time
Read data hold time
Write data hold time
RW delay time
RW hold time
Rating
Table A-14. HCS12 Interface Timing Parameters
4
MFR4200 Data Sheet, Rev. 0
1/CC_CLK
4/CC_CLK
3/CC_CLK
2/CC_CLK
.
-
-
-
-
-
-
-
-
-
-
-
-
-
Min
{100}+[14]
{75}-[4]
{25}
{50}
13
11
14
14
2
2
2
2
0
2
-
-
-
2 3
3/CC_CLK
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Max
HCS12 Interface Timing Diagram
{75}
7
7
7
-
-
-
-
-
-
-
-
-
-
-
-
-
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Restric-
HCS12
HCS12
HCS12
HCS12
HCS12
HCS12
HCS12
HCS12
HCS12
HCS12
HCS12
HCS12
HCS12
tion
CC
CC
CC
CC
1
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