MC68306 Motorola, MC68306 Datasheet - Page 180

• Manufacturer Part Number: MC68306
• Description: Integrated EC000 Processor
• Manufacturer: Motorola

8.12 SERIAL MODULE AC ELECTRICAL CHARACTERISTICS—CLOCK
TIMING
8.13 AC ELECTRICAL CHARACTERISTICS—PORT TIMING
(See Figure 8-13 and Note.)
NOTE: Test conditions for port outputs: C L = 50 pF, R L = 27 k to V CC .
8-16
Counter/Timer Clock High or Low Time
Clock Rise Time
Clock Fall Time
Port Input Setup Time to LDS Asserted
Port Input Hold Time from LDS Negated
Port Output Valid from LDS Negated
(See Figure 8-12.)
OP0, OP1, OP3
IP0-IP2
LDS
IP2 FOR C/T CLK
Characteristic
Characteristic
X1/CLK
Figure 8-12. Clock Timing
Figure 8-13. Port Timing
MC68306 USER'S MANUAL
t
PS
OLD DATA
t
r
t
t
CLK
CTC
t
f
t
PD
t
t
CLK
CTC
t
PH
Symbol
Symbol
t CTC
t PS
t PH
t PD
NEW DATA
t r
t f
Min
Min
25
—
—
—
0
0
Max
Max
—
20
20
—
—
60
MOTOROLA
Unit
Unit
ns
ns
ns
ns
ns
ns