MC68HC11E1 MOTOROLA [Motorola, Inc], MC68HC11E1 Datasheet - Page 3

• Manufacturer Part Number: MC68HC11E1
• Description: M68HC11E Series Programming Reference Guide
• Manufacturer: MOTOROLA [Motorola, Inc]

Crystal Dependent Timer Summary
MOTOROLA
Cycle Time
M68HC11E Series Programming Reference Guide
CPU Clock
(E/2
(E/2
(E/2
(E/2
(E/2
(E/2
(E/2
(E/2
(E/2
(E/2
(E/2
(E/2
(E/2
(E/2
(E/16)
(E/2
(E/1)
(E/4)
(E/8)
14
16
18
19
20
13
14
15
16
15
17
19
21
15
6
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
(–0 ms/+...)
overflow —
overflow —
overflow —
overflow —
overflow —
1 count —
1 count—
1 count—
1 count—
1 count—
Selected
RTR[1:0]
tolerance
Timeout
PR[1:0]
CR[1:0]
Crystal
(1/E)
(E)
0 0
0 1
1 0
1 1
0 0
0 1
1 0
1 1
0 0
0 1
1 0
1 1
Pulse Accumulator (in Gated Mode)
131.072 ms
524.288 ms
16.384 ms
65.536 ms
262.14 ms
524.29 ms
16.384 ms
32.768 ms
65.536 ms
32.768 ms
8.192 ms
4.0 MHz
1.0 MHz
1000 ns
32.8 ms
64.0 µs
16.0 µs
1.049 s
2.097 s
1.0 µs
4.0 µs
8.0 µs
COP Watchdog Timeout Rates
Periodic (RTI) Interrupt Rates
Common XTAL Frequencies
Main Timer Count Rates
32.768 ms
131.07 ms
262.14 ms
524.29 ms
16.384 ms
32.768 ms
16.384 ms
65.536 ms
262.14 ms
8.192 ms
4.096 ms
8.192 ms
8.0 MHz
2.0 MHz
16.4 ms
Crystal Dependent Timer Summary
32.0 µs
1.049 s
500 ns
500 ns
2.0 µs
4.0 µs
8.0 µs
M68HC11ERG/AD
21.845 ms
87.381 ms
174.76 ms
349.52 ms
10.923 ms
21.845 ms
10.923 ms
43.691 ms
174.76 ms
699.05 ms
21.330 µs
12.0 MHz
5.491 ms
2.731 ms
5.461 ms
1.333 µs
2.667 µs
5.333 µs
3.0 MHz
10.9 ms
333 ns
333 ns
3