MC68LC302 Datasheet, PDF (145/169 Pages) Motorola, Inc – Low Power Integrated Multiprotocol Processor Reference Manual

Electrical Characteristics
6.17 AC ELECTRICAL SPECIFICATIONS—TIMERS
NOTE: The FRZ pin is not implemented on the LC302.
(see Figure 6-17)
Num.
200
201
202
203
204
205
206
Characteristic
Symbol
Timer Input Capture Pulse Width
TIN Clock Low Pulse Width
TIN Clock High Pulse Width and Input
Capture High Pulse Width
TIN Clock Cycle Time
Clock High to TOUT Valid
FRZ Input Setup Time (to Clock High) (see
Note 1)
FRZ Input Hold Time (from Clock High)
t_TPW
t_TICLT
t_TICHT
t_cyc
t_CHTOV
t_FRZSU
t_FRZHT
16.67 MHz
Min Max
50 —
50 —
2—
3—
— 35
20 —
10 —
20 MHz
Min Max
42 —
42 —
2—
3—
— 30
20 —
10 —
25 MHz
Min Max ^Unit
34 — ns
34 — ns
2 — clk
3 — clk
— 24 ns
14 — ns
7 — ns
NOTES:
1. FRZ should be negated during total system reset.
2. The TIN specs above do not apply to the use of TIN1 as a baud rate generator input clock. In such a case,
specifications 1–3 may be used.
CLKO
TOUT
(OUTPUT)
TIN
(INPUT)
FRZ
(INPUT)
204
201
200
202
203
205
206
Figure 6-17. Timers Timing Diagram
6-28
MC68LC302 REFERENCE MANUAL
MOTOROLA