DS80C390 Maxim, DS80C390 Datasheet - Page 21

• Manufacturer Part Number: DS80C390
• Description: The DS80C390 is a fast 8051-compatible microprocessor with dual CAN 2
• Manufacturer: Maxim

Figure 24. Nonmultiplexed 9-Cycle Data Memory CE0-3 Write
t
EXTERNAL CLOCK CHARACTERISTICS
Figure 25. External Clock Drive
MCS
Clock High Time
Clock Low Time
Clock Rise Time
Clock Fall Time
4X/2X
SYSTEM CLOCK SELECTION
TIME PERIODS
X
X
1
0
PARAMETER
CD1
0
0
1
1
CD0
0
0
0
1
SYMBOL
t
t
t
t
CHCX
CLCH
CHCL
CLCX
1024 t
1 t
2 t
4 t
t
MCS
CLCL
CLCL
CLCL
CLCL
MIN
8
8
21 of 53
MAX
4
4
UNITS
ns
ns
ns
ns